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Error Configuration : Android Studio 3.1.0 - Configuration 'compile' is obsolete and has been replaced with 'implementation'

WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.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WARNING: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.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Configuration 'androidTestCompile' is obsolete and has been replaced with 'androidTestImplementation' and 'androidTestApi'.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Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.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Configuration 'androidTestApi' is obsolete and has been replaced with 'androidTestImplementation'.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Configuration 'testCompile' is obsolete and has been replaced with 'testImplementation' and 'testApi'.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Configuration 'testApi' is obsolete and has been replaced with 'testImplementation'.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"Configuration 'compile' is obsolete and has been replaced with 'implementation'.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.

Friday, 20 December 2019

Introduction to Stack - Push & Pop Operations

The stack is a storage device that is used to store information in the manner of LIFO.LIFO stands for Last In First Out. The stack is a...

The stack is a storage device that is used to store information in the manner of LIFO.LIFO stands for Last In First Out. The stack is a collection of objects. The Stack Pointer is a pointer that is used to represent the highest element of the stack and represented as SP. Stack has several applications in computer programming.

Stack has two operations:-

POP: POP operation is used to remove an item from the stack. Pop operations are used to retrieve an item that is present at the top of the stack.

PUSH: PUSH operation is an insertion operation that is used to store or insert an element at the top of the stack.

When an element is removed or inserted, the same operations will be performed only at the top element of the stack. When the top element is empty which is represented by MAXTERM then this is the condition of UNDERFLOW. And when the Maxterm is having an element then also we have to add one more element then the top is shifted towards upwards and this condition is known as OVERFLOW of the stack.

POP operation decreases the stack depth or length and PUSH operation increases the stack length. FIFO stack ensures that the data is retrieved in the same order in which it is entered. A stack is a recursive data structure.

Structural definition of a Stack:
* A stack is either empty.
* Stack has the top element on which PUSH & POP operations are performed.
* Stack has similar data types object list in an ordered format.
* Stack size is not fixed. It can be variable.
* Stack doesn't consume a fixed amount of memory.

What is the core difference between M.Phil and PhD ?

M.phil is an intermediate degree between MS and Ph.D. We can take advantage of both in one knowledge bundle of M.phil. Most M.phil pro...

M.phil is an intermediate degree between MS and Ph.D. We can take advantage of both in one knowledge bundle of M.phil. Most M.phil programs are funded like a Ph.D. in which we also get a stipend. Your study totally depends on the thesis. Industrial opportunity is almost equal in both fields. M.phil is less advanced qualification than Ph.D. M.phil dissertation is normally shorter than a Ph.D. thesis.

Master of Philosophy is a master's program for research work in advance manner. Ph.D. stands for the toppers degree awarded by the university. Ph.D. is detailed research on any topic. The best of both of them are Ph.D. as it is very good in all aspects of students. Ph.D. is a  doctorate degree as the name suggest and it is basically for those students who have an interest in academics a lot.

M.phil's degree is not necessarily a researched degree. but Ph.D. is must be having research. Both degrees are best but far from both the degrees are similar. M.phil's degree leads to a master's degree and a Ph.D. degree leads to a doctorate degree. M.phil is a 1-2 year duration degree but Ph.D. is at least 3-4 year duration and many more.

After Masters and before Ph.D., we can do M.phil, but Ph.D. can do only after Masters, after bachelors in some cases. M.phil does not include any kind of training under experienced teachers but in Ph.D. we can do training under the guidance of experienced teachers. In Ph.D., the students get stipend through which they can not suffer financially. 

Nowadays many people want to step up higher in their career and this is possible only with good qualifications. Therefore both degrees have their own importance bu in comparison of values then Ph.D. is having higher importance instead of M.phil from an academic point of view.

What is a transaction ?

The transaction is a very much important topic for understanding in this era. We are living in a world where everyone addicted to digit...

The transaction is a very much important topic for understanding in this era. We are living in a world where everyone addicted to digital methods instead of offline methods. The transaction is buying or selling anything for some specific tasks. The transaction is an exchange of money in terms of monetary transactions. The transaction is a financial statement that is used to show the buying or selling details of any task.

In accounting terms, All the financial details are recorded in terms of transactions. Transactions in terms of books for the businessman is straightforward, their transactions are like the businessman giving a specific amount to a particular or many other shopkeepers for further purchase of goods. And sometimes transactions are of receiving types like if the businessman sells their goods then they receive money from the customer. All these types of financial statements are known as Transactions.

The transaction is a set of operations that are used to perform a work or task. The transaction is handled in different ways. Different users have different transaction details. When someone buys or sells things and spends or earns money is termed as transactions. The government has decided to make the UK the best for online transactions. The exchange of goods is called transactions.

Few Examples of transactions are described below:-
  • If the amount is to be paid to the supplier for services rendered and goods to be delivered.
  • If cash is to be paid to the seller and to obtain ownership of a property owned by the seller.
  • In a company, when the salary is to be paid.
  • If we receive payment from any to many customers in exchange for goods or services.

Monday, 16 December 2019

Android App - Type of android app

Android app is one of the most popular among us. Android app is available on all android phones. Games and many more apps are built in...

Android app is one of the most popular among us. Android app is available on all android phones. Games and many more apps are built in these days for android phones. The android app is created for users who use phones all the time. The android app makes the work easier for everyone. For Example before if we have to deposit money to account then we have to go to the bank but now we don't need to go anywhere. Our mobile does everything in any place. The android app makes the process simpler. Through this, we can deposit money or we can do multiple transactions instantly without any delay.

Android app is having games and other popular features too like barcode scanner, camera, etc. We can download any android app through the Google Play store. Play Store is the place where we can install any app. Developers first make an android app in ionic, PhoneGap or great native and then publish it on play store then you can download the Android app.  

Android studio is the platform that is commonly used to develop an android app. You can also build your own app if you have a good knowledge of development. Sometimes the storage space problem also occurs while installing a new android app from the play store. Android apps are written in java programming languages and use java libraries. 

Android app is of two types:
1.Hybrid App
2.Native App

Amazon app stores and many other android apps focussed websites are used for installing android apps. Android app is running on an android platform which is a software application. A typical Android app is designed for smartphones, tablets, Pc running on the Android operating system. Android is a mobile operating system which is very much helpful for us to make our tasks better than earlier.

 

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