Tutorial by Examples: o

Passing by reference using ref keyword.

From the documentation : In C#, arguments can be passed to parameters either by value or by reference. Passing by reference enables function members, methods, properties, indexers, operators, and constructors to change the value of the parameters and have that change persist in the calling e...

C# Language • Value type vs Reference type

Installation or Setup

Detailed instructions on getting silverlight set up or installed.

silverlight • Getting started with silverlight

Time Zones and Daylight Savings Time

The DATE data type does not handle time zones or changes in daylight savings time. Either: use the TIMESTAMP WITH TIME ZONE data type; or handle the changes in your application logic. A DATE can be stored as Coordinated Universal Time (UTC) and converted to the current session time zone like...

Oracle Database • Dates

Leap Seconds

Oracle does not handle leap seconds. See My Oracle Support note 2019397.2 and 730795.1 for more details.

Oracle Database • Dates

How to Switch It On

You can switch it On at the Module/Class Level by placing the directive at the top of the code file. Option Strict On You can switch it on at the project level via the menu in Visual Studio Project > [Project] Properties > Compile Tab > Option Strict > On You ...

Visual Basic .NET Language • Option Strict

Ordering matters

There is overflow in the following code int x = int.MaxValue; Console.WriteLine(x + x + 1L); //prints -1 Whereas in the following code there is no overflow int x = int.MaxValue; Console.WriteLine(x + 1L + x); //prints 4294967295 This is due to the left-to-right ordering of the operations...

C# Language • Overflow

Command line arguments

Command line arguments parsing is Go is very similar to other languages. In you code you just access slice of arguments where first argument will be the name of program itself. Quick example: package main import ( "fmt" "os" ) func main() { progName := o...

Go • Parsing Command Line Arguments And Flags

Declaration and attributes

Throughout the topics and examples here we'll see many declarations of variables, functions and so on. As well as their name, data objects may have attributes. Covered in this topic are declaration statements like integer, parameter :: single_kind = kind(1.) which gives the object single_kind...

Fortran • Data Types

Difference between jQuery(fn) and executing your code before

Using the document-ready event can have small performance drawbacks, with delayed execution of up to ~300ms. Sometimes the same behavior can be achieved by execution of code just before the closing </body> tag: <body> <span id="greeting"></span> world! <sc...

jQuery • document-ready event

Scheduling your task

When your command is made available to your application, you can use Laravel to schedule it to run at pre-defined intervals, just like you would a CRON. In The app/Console/Kernel.php file you will find a schedule method that you can use to schedule your task. <?php namespace App\Console; ...

Laravel • Task Scheduling

Setting the scheduler to run

The scheduler can be run using the command: php artisan schedule:run The scheduler needs to be run every minute in order to work correctly. You can set this up by creating a cron job with the following line, which runs the scheduler every minute in the background. * * * * * php /path/to/artisan...

Laravel • Task Scheduling

Installation or Setup

Detailed instructions on getting LabVIEW set up or installed.

labview • Getting started with labview

Plot With Gridlines

Plot With Grid Lines import matplotlib.pyplot as plt # The Data x = [1, 2, 3, 4] y = [234, 124,368, 343] # Create the figure and axes objects fig, ax = plt.subplots(1, figsize=(8, 6)) fig.suptitle('Example Of Plot With Grid Lines') # Plot the data ax.plot(x,y) # Show the grid lin...

matplotlib • Grid Lines and Tick Marks

Changing cached resources

The easiest method to bypass cache is to change the URL. This is used as a best practice when the URL contains a version or a checksum of the resource, e.g. http://example.com/image.png?version=1 http://example.com/image.png?version=2 These two URLs will be cached separately, so even if …?versi...

HTTP • Caching HTTP responses

TransitionDrawable animation

This example displays a transaction for an image view with only two images.(can use more images as well one after the other for the first and second layer positions after each transaction as a loop) add a image array to res/values/arrays.xml <resources> <array name=&...

Android • Animators

One line showing commiter name and time since commit

tree = log --oneline --decorate --source --pretty=format:'"%Cblue %h %Cgreen %ar %Cblue %an %C(yellow) %d %Creset %s"' --all --graph example * 40554ac 3 months ago Alexander Zolotov Merge pull request #95 from gmandnepr/external_plugins |\ | * e509f61 3 months ago Ievg...

Git • Browsing the history

Pass Activity as WeakReference to avoid memory leaks

It is common for an AsyncTask to require a reference to the Activity that called it. If the AsyncTask is an inner class of the Activity, then you can reference it and any member variables/methods directly. If, however, the AsyncTask is not an inner class of the Activity, you will need to pass an A...

Android • AsyncTask

Setup git-pull for automatically perform a rebase instead of a merge

If your team is following a rebase-based workflow, it may be a advantageous to setup git so that each newly created branch will perform a rebase operation, instead of a merge operation, during a git pull. To setup every new branch to automatically rebase, add the following to your .gitconfig or .gi...

Git • Rebasing

Copy a single file

Copy foo.txt from /path/to/source/ to /path/to/target/folder/ cp /path/to/source/foo.txt /path/to/target/folder/ Copy foo.txt from /path/to/source/ to /path/to/target/folder/ into a file called bar.txt cp /path/to/source/foo.txt /path/to/target/folder/bar.txt

Bash • Copying (cp)

Copy folders

copy folder foo into folder bar cp -r /path/to/foo /path/to/bar if folder bar exists before issuing the command, then foo and its content will be copied into the folder bar. However, if bar does not exist before issuing the command, then the folder bar will be created and the content of foo wil...

Bash • Copying (cp)