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Sunday, 22 March 2020

How to avoid catching and spreading coronavirus - Coronavirus Tips

Everyone should do what they can to stop coronavirus from spreading. DO Wash your hands with soap and water often – do this for at ...

Everyone should do what they can to stop coronavirus from spreading.

DO
  • Wash your hands with soap and water often – do this for at least 20 seconds
  • Always wash your hands when you get home or into work
  • Use hand sanitizer gel if soap and water are not available
  • Cover your mouth and nose with a tissue or your sleeve (not your hands) when you cough or sneeze
  • Put used tissues in the bin immediately and wash your hands afterward
  • Avoid close contact with people who have symptoms of coronavirus
  • Only travel on public transport if you need to
  • Work from home, if you can
  • Avoid social activities, such as going to pubs, restaurants, theatres, and cinemas
  • Avoid events with large groups of people
  • Use the phone, online services, or apps to contact your GP surgery or other NHS services
DON'T
  • Do not touch your eyes, nose or mouth if your hands are not clean
  • Do not have visitors to your home, including friends and family

Sunday, 15 March 2020

File Handling in PHP

In any web application, file handling plays a very important role. For different processes, we need to open and process the file. For cre...
In any web application, file handling plays a very important role. For different processes, we need to open and process the file. For creating, reading, uploading files, there are many functions in PHP. Any kind of manipulation in the file can be done in a very careful manner. Sometimes files could be deleted or accidentally code gets deleted in some working file, the hard drive could be filled with garbage data, the wrong file chosen for working, etc. likewise many critical situations can occur while handling the file. Therefore file handling is always done carefully.

In PHP there is a read file() function defined for reading a file.

1. fopen() function is used to open a file. The fopen() function defined with two parameters.

<?php
$file = fopen("file.txt",'w');
?>

The first parameter in fopen() function is the name of the specified file and the second parameter is the mode for the particular file either read (r) or write (w).

Write mode modify the content of the existing file or it can be used to create the file for the same name if the file does not exist.
  • The (a) mode is used to write the content at the last of the page. The existing file is not deleted. The content can be added from last and the new file is created if the file does not exist.
  • The (x) mode used to write the file but if the file does not exist then it returns false as an error.
  • The (r+) command is used to read/write mode.
  • The (w+) mode is used for write/ read mode and through this content can be modified or deleted. read() function is used to read from an open file.


2. fclose() function is used for closing an open file. For the good developer, it is always recommended that the file must close first after completing the work on the same file.

<?php
$file = fopen("file.txt", 'r');
fclose($file);
?>

 If we want to read a single line from a file then we use fgets() function.

After calling fget() function, the pointer points to the next line and the process must go on.

The feof() function plays the role when the end of file is reached. It plays an important role in looping.

The fgetc() function is used to read the character from a file.

After calling the fgetc() function for one character then it points to the next character.

PHP is a very easy language and has very many useful functions. By using these functions we can be handling the PHP file easily and efficiently. Therefore File handling in PHP is very beneficial and necessary.

This article is contributed by Aayushi. If you like Sharecodepoint and would like to contribute, you can also write an article using sharecodepoint@gmail.com or mail your article to sharecodepoint@gmail. See your article appearing on the sharecodepoint main page and help another programmer.

Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.

Friday, 6 March 2020

How to Write an Essay Fast and Easy: Write the A+ Paper Quickly

“What is the best way for me to write my paper fast? This is a question many students ask. Schools and colleges give students a lot of...

“What is the best way for me to write my paper fast? This is a question many students ask. Schools and colleges give students a lot of homework to work on, and there is often not enough time for everything. This task is actually not very hard if you follow a few simple steps. 

How to do your assignments easily? Should the professional writers from services who write papers for money be trusted? Find out more about productive writing and the benefits of the fast essay writing service such as FastEssay.net on this page.

Tips on How to Write A Last Minute Essay in the Shortest Term
Do you have an urgent essay to write and don’t know how to do that? This task is much easier than you might think. Here is a guide on how to make the process of writing your paper quick and complete as fast as it is possible: 

  • Plan your time. Think about how much time you need to complete the paper. It is important to do since if you don’t plan your time, you might not be able to write your essay on time. Create a schedule and break your assignment into a few parts.
  • Read the task carefully. Make sure that you understand the assignment. Read it a couple of times to understand what you are asked to do. Whenever you are done writing your paper, check if you have completed all of the tasks from the assignment.
  • Use professional online writing services. With the help of the reliable writing service like FastEssay.net, you can get done with any college papers and essays like dissertation or research. These services are affordable and cheap. Make sure that the company can be trusted before you buy an essay with them.
  • Create an outline. Outlining your paper can actually save a lot of your time. Create a structure for your writing and mention all of the main ideas that you would like to put on your paper. This way, you will not know exactly what you will have to write in your paper.
  • Write the key sentences for every paragraph. Before you actually start working on the paper, write the first sentences for all of the paragraphs. This will help you to draw the line between all the parts of the paper and show the main message that you are trying to deliver.
  • Work on creating a strong introduction and conclusion. Both of this parts of the paper are very important, so you have to make sure that the reader will get the main point of your writing and will enjoy the reading. The intro should surprise with something interesting while the conclusion should provide a reader with a good summary and lasting impression.
  • Revise. It is necessary to check your writing after you are done. There is always a chance that there are some mistakes that you have missed. There are many free and paid apps that can help you with improving your paper.

Don’t Be Afraid to Ask for Assistance

Using writing services like FastEssay.net is okay if you feel like homework is too overwhelming. With a trustworthy writer from the USA or UK, you will get a paper of top quality that will definitely help you get good grades. All you have to do is just send your message to the support team. But before you make an order, it is best to check if the writing service is really good and will not let you down.

Sunday, 9 February 2020

Homework Tips for Students Focusing on Their Academic Performance

Have you been challenged by your homework in one of the technical disciplines? Most likely, you don’t have enough time for the assignme...

Have you been challenged by your homework in one of the technical disciplines? Most likely, you don’t have enough time for the assignments that require thorough research and analysis or you have too much work to cover all of them at once. The technical assignment help online from AssignCode.com aims to provide you with excellence in every technical assignment. It gives you a great opportunity to complete your homework before the deadline without sacrificing your personal life.

If you refer to the professional writing service, you need some tips for doing a technical assignment. This way, you will find it easier to manage the writing process, paying attention to even the smallest details.

Homework Tips for Students Referring to the Writing Service

To take the action, you need to understand how online writing services work. Here are some general tips on how to act to solve your academic problems from the comfort of your home:

  • Check the whole list of options you can get if you entrust your task to a professional solver.
  • Send a clear request “please do my homework for me” and specify all the details of your academic assignment. Make sure you provide ehelp representatives with as much information as possible to receive a positive result.
  • Check the completed paper on grammar, stylistics, or spelling mistakes. Also, check the content through the plagiarism software to estimate the level of its uniqueness.
  • Refer to the helpline if you have any inquiries or want to give more details to the already completed assignment. The customer service is usually available 24/7 so that you can get your answers anytime.
  • Keep track of your assignment’s progress by communicating with the assigned writer for free. If there are some corrections to be made, you will indicate it straight away without applying for revision later on. You college tutor and university professor are surely demanding enough to cause problems for you. So, you should pay attention to every little detail to make them satisfied with your work.
  • Pay a relatively low price for an excellent academic paper via official sites or mobile apps. Before placing an order, you can estimate the value of your paper in the live calculator. It is so easy to use as if it has been made for kids!
  •  Benefit from excellent English, especially if you are not a native speaker. Your paper will be easy for reading and structurally correct if being written by English-speaking writers.

Type of Writing Assistance for Online Homework Help

Such helping services as AssignCode.com can turn into a great helper for students. Thanks to the high qualifications of professional coders and careful organization of the work process, you can request assistance in the following tasks:

  • Database homework;
  • Geometry homework;
  • Abstract algebra homework;
  • Physical chemistry tutoring;
  • Computer science assignment help;
  • Mathematics tutorial;
  • Math homework;
  • Online web design tutor help.

This is not the full list of technical assignments you can request from the writing center for students. If you are not sure if they can assist you with your challenge, contact their customer care available on the official site. Once you have received the answer to your question, you can place your order on the site or via the mobile app. All you need to do is to provide the customer support representatives with all the instructions, process the payment, and wait for the final paper. It easy as it can be. If you want to lighten your academic burden, you may try to use AssignCode.com. This online service is going to be of great value to you. Just give it a try!

Friday, 17 January 2020

Error Configuration : Android Studio 3.1.0 - Configuration 'compile' is obsolete and has been replaced with 'implementation'

WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'. It will be ...

WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'. It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html Affected Modules: app

The Error in Android Studio.

Configuration 'androidTestCompile' is obsolete and has been replaced with 'androidTestImplementation' and 'androidTestApi'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html

Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html

Configuration 'androidTestApi' is obsolete and has been replaced with 'androidTestImplementation'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html

Configuration 'testCompile' is obsolete and has been replaced with 'testImplementation' and 'testApi'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html

Configuration 'testApi' is obsolete and has been replaced with 'testImplementation'.
It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html

Solution:

Goto Gradle Scripts.

Then Goto build.gradle(Module: app)

"Configuration 'compile' is obsolete and has been replaced with 'implementation'.

Example :

If you using compile then show the configuration error just replace compile to implementation.

This is the old way of writing the dependency libraries (for Gradle version 2 and below):

dependencies with Warning in android studio 3.1

dependencies {

    compile fileTree(dir: 'libs', include: ['*.jar'])

    compile 'com.android.support:appcompat-v7:25.3.1'

    compile 'com.android.support:support-v4:25.3.1'

    compile 'com.android.support:design:25.3.1'

    compile 'com.google.code.gson:gson:2.6.2'

    compile 'com.squareup.retrofit2:converter-gson:2.1.0'

    compile 'com.squareup.okhttp3:logging-interceptor:3.4.1'

    compile 'com.github.channguyen:rsv:1.0.1'

    compile 'com.valdesekamdem.library:md-toast:0.9.0'

    compile 'com.google.android.gms:play-services-ads:11.0.4'

    testCompile 'junit:junit:4.12'

}

You have to Just Change the following words: 

1) compile to implementation where word compile is returned.

2) testCompile to testImplementation where testCompile is returned.

3) androidTestCompile to androidTestImplementation where androidTestCompile is return.

Check the solution for this Example

dependencies OK in android studio 3.1 | In Android Studio version 3.1 dependencies compile word is replaced to implementation. This is the new (right) way of importing the dependencies for Gradle version 3:

dependencies {

    implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'com.android.support:appcompat-v7:25.3.1'

    implementation 'com.android.support:support-v4:25.3.1'

    implementation 'com.android.support:design:25.3.1'

    implementation 'com.google.code.gson:gson:2.6.2'

    implementation 'com.squareup.retrofit2:converter-gson:2.1.0'

    implementation 'com.squareup.okhttp3:logging-interceptor:3.4.1'

    implementation 'com.github.channguyen:rsv:1.0.1'

    implementation 'com.valdesekamdem.library:md-toast:0.9.0'

    implementation 'com.google.android.gms:play-services-ads:11.0.4'

    testImplementation 'junit:junit:4.12'

}

 

If you Want to add a third-party library like retrofit and another library. Then you have to use the implementation Keyword not compile Keyword.

For Example:

This is wrong.
compile 'com.squareup.retrofit2:retrofit:2.4.0'

This is Right.
implementation 'com.squareup.retrofit2:retrofit:2.4.0'

Wednesday, 15 January 2020

What is Blockchain technology ?

Blockchain technology is a decentralized and distributed approach for recording digital assets in a ledger format. Distributed ledger ...


Blockchain technology is a decentralized and distributed approach for recording digital assets in a ledger format. Distributed ledger technology is known as blockchain technology. Through the cryptographic hashing and distributed ledger, the blockchain technology makes the digital assets unaltered. It implies through this wonderful technology the distributed ledger history would not change. The best example of blockchain technology is Google docs as the document is created and transferred to many people. All have access to change or modify the document and these changes are reflected in the real-time scenario. In the blockchain technology, no one is locked for changes done by the other party.

This decentralization of the document makes everyone to access the data file at the same time. All the changes are completely transparent to each and every people to whom the google doc is shared. This approach of decentralization is called blockchain technology.

Blockchain is more complicated than Google docs. In the blockchain, digital assets are not copied or transferred. This allows real-time access, as the changes may reflect instantly.

Blockchain is trustworthy and promising technology. It helps in reducing risks from fraud.
Blockchain is a revolutionary technique. Blockchain is the whole process of sharing valuable data to others also if you do not trust them.

Blockchain consist of three major concepts: - 1. Blocks 2. Nodes 3. Miners. Every blockchain chain has built from multiple blocks. Each block has data and a 32-bit whole number is called the nonce. A nonce generated the cryptographic hash when the first block is created. Miners create blocks on a chain through processing called mining. Nodes are a very important part of distributed ledger via the nodes. Therefore, blockchain is the scalability of trustworthy technology.

Difference between GET and POST method in PHP

GET & POST methods are superglobals which means they can easily access from any place anywhere. Get and Post method are very usefu...

GET & POST methods are superglobals which means they can easily access from any place anywhere. Get and Post method are very useful methods for form handling. Most of the developers prefer POST for sending form data. GET and POST, both methods are creating an array with key and value pairs. The name in the array is the form control field name the value is the entered data by the user.

GET & POST methods both are used as $_GET and $_POST. As they both are not required scope for their accessibility. We can access these methods anywhere in any function, any class or file as we do not need to do any functionality for the same.

If we simply say about $_GET is none other than an array of variables passed to script which is executing on that time via URL parameters.

The HTTP POST method is used in $_POST which is also an array of variables. When using Get method in form submission then the user information either names or values) is visible in URL to everyone. Get also has some specified limits of only 2000 characters i.e. it can send form data only within particular limits.

In GET it is possible to bookmark the page, as data is shown in  URL which is beneficial in some cases. GEt is always used for sending the data which is not private. As there is no security in getting because everything is displayed in URL. Hence sometimes we avoid Get while sending passwords and other private information.

On the other hand, information while sending with the POST method is not visible to the users. So, it is more secure than GET method.

 In the POST method, all the names and values are embedded in the HTTP request, as it is not visible to others. There is no specified limit for sending data. We can send an unlimited amount of characters while sending form data through the POST method.

As compared to the GET method POST supports advanced functionality.

In POST, while uploading files to the server it supports multi-part binary input. In the post, it is not possible to bookmark the page.

 In short, the secure method is the POST method for sending form data in comparison to the GET method.

 

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