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A try-finally block may be nested inside a try-except block. try AcquireResources; try UseResource; finally ReleaseResource; end; except on E: EResourceUsageError do begin HandleResourceErrors; end; end; If an exception occurs inside UseResource, then execution...

A try-except block may be nested inside a try-finally block. AcquireResource; try UseResource1; try UseResource2; except on E: EResourceUsageError do begin HandleResourceErrors; end; end; UseResource3; finally ReleaseResource; end; If an EResourceUsageE...

In Tcl itself, a string consisting of a single word does not need to be quoted. In the language of expression strings that expr evaluates, all operands must have an identifiable type. Numeric operands are written without any decoration: expr {455682 / 1.96e4} So are boolean constants: expr {tr...

The angular.copy function takes an object, array or a value and creates a deep copy of it. angular.copy() Example: Objects: let obj = {name: "vespa", occupation: "princess"}; let cpy = angular.copy(obj); cpy.name = "yogurt" // obj = {name: "vespa", ...

Navigation controller can be embed in each tabs using storyboard it self. It can be like in the screenshot added. To add a Navigation Controller to a View Controller connecting from Tab Bar Controller, here are the flow Select the view controller for which we need to add navigation controller. H...

In order to print the value of a variable such as, set tempVar "This is a string." The argument in the puts statement is preceded by a $ sign, which tells Tcl to use the value of the variable. % set tempVar "This is a string." This is a string. % puts $tempVar This is a s...

The tr method returns a copy of a string where the characters of the first argument are replaced by the characters of the second argument. "string".tr('r', 'l') # => "stling" To replace only the first occurrence of a pattern with with another expression use the sub method ...

We can use org.apache.commons.lang3.RandomUtils to generate random numbers using a single line. int x = RandomUtils.nextInt(1, 1000); The method nextInt(int startInclusive, int endExclusive) takes a range. Apart from int, we can generate random long, double, float and bytes using this class. R...

What happens if I don't set base_url ? You will not get any Impotency error to set this and proceed. You can continue without setting, but you should know about HTTP header injection If I did't set it what will show up? You will get http://[::1]/ instead of your actual URL. What does this m...

Any project that targets netstandard1.X can be packed into a NuGet package by running: dotnet pack The resulting package can be uploaded to NuGet, MyGet, or hosted in a local package source.

This example describes how to create a SurfaceView with a dedicated drawing thread. This implementation also handles edge cases such as manufacture specific issues as well as starting/stopping the thread to save cpu time. import android.content.Context; import android.graphics.Canvas; import and...

One Button Swift class ViewController: UIViewController { @IBAction func showAlertButtonTapped(sender: UIButton) { // create the alert let alert = UIAlertController(title: "My Title", message: "This is my message.", preferredStyle: UIAlertCo...

If you want to write strings containing other languages (JSON, regexes), it's hard to keep up with escaping symbols, and it would be nice to get some code assist. Put your cursor inside an empty string ALT + ENTER Pick "Inect language or reference" Pick the desirable language (...

Front matter tells Jekyll to parse a file. You add predefined variables, which are YAML sets, to the front matter. Then, you can use Liquid tags in your files to access the front matter. Front matter is indicated with two triple-dashed lines. You must place the variables between the two triple-dash...

Below code showcases multiple Producer/Consumer program. Both Producer and Consumer threads share same global queue. import java.util.concurrent.*; import java.util.Random; public class ProducerConsumerWithES { public static void main(String args[]) { BlockingQueue<Integer> ...

GitHub expands Markdown syntax to provide new useful features. Header # Header1 ## Header2 ### Header3 #### Header4 ##### Header5 ###### Header6 H1 === H2 --- Emphasis *Italic1* _Italic2_ **Bold1** __Bold2__ ***Bold_Italic*** ~~Strikethrough~~ Horizontal Line --- *** ___ ...

Go to the GitHub page for the project where you want to create an issue. Click on Issues . On the top right, click on New Issue. Enter the title of the issue. Enter the body of the issue (including logs, code snippets, etc.) Optional: To view the issue before submitting it, click on preview. ...

Config a remote for my fork $ cd my_local_repo $ git remote add upstream https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git # Specify a new remote upstream repository that will be synced with the fork $ git remote -v # Verify the new upstream repository specified for my f...

Go to the GitHub website Open your repository Click Settings Under GitHub Pages, click "Launch Automatic Page Generator" Follow the instructions

Run the following command, replacing username with the username, to clone all of the GitHub repositories for that user to the current directory. curl "https://api.github.com/users/username/repos?page=1&per_page=100" | grep -e 'git_url*' | cut -d \" -f 4 | xargs -L1 git clone T...