Tutorial by Examples: in

One way to move files between servers is by using the scp command. Secure copy command utilizes ssh to transfer data. The simples example for copying a file from local to remote server is scp /localdir/localfile [email protected]:/remotedir/remotefile Similarily, to copy file from a remote t...

Since both R and regex share the escape character ,"\", building correct patterns for grep, sub, gsub or any other function that accepts a pattern argument will often need pairing of backslashes. If you build a three item character vector in which one items has a linefeed, another a tab ch...

Example 1, Query: SELECT char_length('ABCDE') Result: 5 Example 2, Query: SELECT character_length('ABCDE') Result: 5

The method of SQL generation from BQL PXSelectGroupBy<> data views has been changed in Acumatica Framework 5.2. The sections below illustrate the differences using the example of PXSelectGroupBy<FinYear, Aggregate<GroupBy<FinYear.finPeriods>>>.Select(graph): Acumatica Frame...

Detailed instructions on getting mpandroidchart set up or installed.

You can use any IDE and OOP language to implement S.O.L.I.D Principles. In the sample code I have used C# as it is the most widely used language in .NET word and is closely resembles Java and C++.

Existing legends can be difficult to manage. For example, if your plot has two lines, but only one of them has a legend entry and that should stay this way, then adding a third line with a legend entry can be difficult. Example: figure hold on fplot(@sin) fplot(@cos) legend sin % Add only a le...

Why to use LSP Scenario: Suppose we have 3 databases (Mortgage Customers, Current Accounts Customers and Savings Account Customers) that provide customer data and we need customer details for given customer's last name. Now we may get more than 1 customer detail from those 3 databases against giv...

Windows Get spigot.jar using BuildTools or from here. Paste the following text into a text document. Save it as start.bat in the same directory as spigot.jar: You will need to rename your jar to spigot.jar, or modify the file in the bat file to point to the correct file. nb: Windows (by ...

Detailed instructions on getting wpf-controls set up or installed.

Buy Minecraft from here Create a Mojang account or sign in if you already have one. If you created a new account, verify your email. Fill in your Payment Details. Make sure your on minecraft.net and you're on a secure connection (HTTPS) Download and Run Minecraft Open th...

The following Less .paragraph{ font-size: 12px; color: darkgrey; background: white; } .special-paragraph{ font-size: 24px; font-weight: bold; color: black; } .parent{ background: lightgrey; .nestedParagraph{ &:extend(.paragraph); &:extend(.special-p...

You may also extend nested selectors. The below Less .otherChild{ color: blue; } .otherParent{ color: red; .otherChild{ font-size: 12px; color: green; } } .parent{ .nestedParagraph{ &:extend(.otherParent .otherChild); } } Will compile to .otherChild...

The following Less div.paragraph{ color: blue; } *.paragraph{ color: green; } .otherClass.paragraph{ color: red; } .paragraph.otherClass{ color: darkgrey; } .parent{ .nestedParagraph{ &:extend(.paragraph); } } Will compile into div.paragraph { colo...

You can establish a transaction by calling the pipeline method on the StrictRedis. Redis commands executed against the transaction are performed in a single block. # defaults to transaction=True tx = r.pipeline() tx.hincrbyfloat(debit_account_key, 'balance', -amount) tx.hincrbyfloat(credit_acc...

By default, NuGet restores packages into the packages folder in the solution root. This folder is shared between all solution projects. In some cases it is useful to change the location of the restored packages (for instance, to share them between several solutions). Its can be achieved by creating...

Add gem 'figaro' to your Gemfile and run bundle install. Then run bundle exec figaro install; this will create config/application.yml and add it to your .gitignore file, preventing it from being added to version control. You can store your keys in application.yml in this format: SECRET_NAME: secre...

For all my projects, Django-Allauth remained one that is easy to setup, and comes out of the box with many features including but not limited to: Some 50+ social networks authentications Mix signup of both local and social accounts Multiple social accounts Optional instant-signup for social ac...

The Jedis library is generally added to Java project using a dependency management system built into the build environment of the project. Two popular Java build systems are Maven and Gradle. Using Gradle To add the Jedis library to a Gradle project, you will need configure a repository and add a...

Using a Pool Most code will want to connect to Redis using a pool of shared connection objects. Connecting to Redis using a pool involves two different code block. At initialization time, your application needs to create the connection pool: JedisPoolConfig poolCfg = new JedisPoolConfig(); ...