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When we attach the !important keyword to a mixin call, the Less compiler will automatically add the !important to all properties that are present within the mixin. For example, consider the below mixin: .set-default-props() { margin: 4px; padding: 4px; border: 1px solid black; font-wei...

Examples of using functions with hotkeys: Hotkey, a, MyFunction ; Calls MyFunction() when a is pressed MyFunction() { MsgBox You pressed %A_ThisHotkey%. } Or: a::MyFunction() MyFunction() { MsgBox You pressed %A_ThisHotkey%. }

Let's assume you have a file lyrics.txt which contains the following data: summer has come and passed the innocent can never last wake me up when september ends Read the entire file at a time By using file:read_file(File), you can read the entire file. It's an atomic operation: 1> file:re...

C99 Macros with variadic args: Let's say you want to create some print-macro for debugging your code, let's take this macro as an example: #define debug_print(msg) printf("%s:%d %s", __FILE__, __LINE__, msg) Some examples of usage: The function somefunc() returns -1 if failed and 0 ...

View loading In a test for a view controller you want sometimes to trigger the execution of loadView() or viewDidLoad(). This can be done by accessing the view. Let's say you have view controller instance in your test called sut (system under test), then the code would look like this: XCTAssertNot...

// Add observer let observer = NSNotificationCenter.defaultCenter().addObserverForName("nameOfTheNotification", object: nil, queue: nil) { (notification) in // Do operations with the notification in this block } // Remove observer NSNotificationCenter.defaultCenter().removeObser...

You can define the signing configuration to sign the apk in the build.gradle file. You can define: storeFile : the keystore file storePassword: the keystore password keyAlias: a key alias name keyPassword: A key alias password You have to define the signingConfigs block to create a signin...

EntityState.Added can be set in two fully equivalent ways: By setting the state of its entry in the context: context.Entry(entity).State = EntityState.Added; By adding it to a DbSet of the context: context.Entities.Add(entity); When calling SaveChanges, the entity will be inse...

Setting the state of an object graph (a collection of related entities) to Added is different than setting a single entity as Added (see this example). In the example, we store planets and their moons: Class model public class Planet { public Planet() { Moons = new HashSet<...

First, let's see three different ways of extracting data from a file. string fileText = File.ReadAllText(file); string[] fileLines = File.ReadAllLines(file); byte[] fileBytes = File.ReadAllBytes(file); On the first line, we read all the data in the file as a string. On the second line, we r...

1. A Simple Complete Example We could use this sample code to upload the files selected by the user every time a new file selection is made. <input type="file" id="file-input" multiple>   var files; var fdata = new FormData(); $("#file-input").on("cha...

Thread-local storage can be created using the thread_local keyword. A variable declared with the thread_local specifier is said to have thread storage duration. Each thread in a program has its own copy of each thread-local variable. A thread-local variable with function (local) scope will be in...

First, add the HTML File to your Project (If you are asked to choose options for adding the file, select Copy items if needed) The following line of code loads the content of the HTML file into the webView webView.loadRequest(NSURLRequest(URL: NSURL(fileURLWithPath: NSBundle.mainBundle().pathForRe...

Images and files can be uploaded/submitted to server by setting enctype attribute of form tag to multipart/form-data. enctype specifies how form data would be encoded while submitting to the server. Example <form method="post" enctype="multipart/form-data" action="uplo...

display: inline-block; The display property with the value of inline-block is not supported by Internet Explorer 6 and 7. A work-around for this is: zoom: 1; *display: inline; The zoom property triggers the hasLayout feature of elements, and it is available only in Internet Explorer. The *di...

A DataFrame can be created from a list of dictionaries. Keys are used as column names. import pandas as pd L = [{'Name': 'John', 'Last Name': 'Smith'}, {'Name': 'Mary', 'Last Name': 'Wood'}] pd.DataFrame(L) # Output: Last Name Name # 0 Smith John # 1 Wood Mary Missin...

CREATE TYPE MyUniqueNamesType as TABLE ( FirstName varchar(10), LastName varchar(10), CreateDate datetime default GETDATE() PRIMARY KEY (FirstName,LastName) )

This example finds an array of approximately evenly spaced points along a quadratic curve. It decomposes Path segments created with context.quadraticCurveTo into points along that curve. // Return: an array of approximately evenly spaced points along a Quadratic curve // // Attribution: Stackove...

You can iterate over the contents of a dictionary with dict for, which is similar to foreach: set theDict {abcd {ab cd} bcde {ef gh} cdef {ij kl}} dict for {theKey theValue} $theDict { puts "$theKey -> $theValue" } This produces this output: abcd -> ab cd bcde -> ef gh c...

Marshal class contains a function named PtrToStructure, this function gives us the ability of reading structures by an unmanaged pointer. PtrToStructure function got many overloads, but they all have the same intention. Generic PtrToStructure: public static T PtrToStructure<T>(IntPtr ptr); ...