Tutorial by Examples: me

static and templates folder in the apps may should also contain a folder with the name of app ex. blog this is a convention used to prevent namespace pollution, so we reference the files like /blog/base.html rather than /base.html which provides more clarity about the file we are referencing and pre...
SELECT DATE('2003-12-31 01:02:03'); The output will be: 2003-12-31
Use git revert to revert existing commits, especially when those commits have been pushed to a remote repository. It records some new commits to reverse the effect of some earlier commits, which you can push safely without rewriting history. Don't use git push --force unless you wish to bring down ...
Consider using Extension Methods as Functions which wrap other code, here's a great example that uses both a static method and and extension method to wrap the Try Catch construct. Make your code Bullet Proof... using System; using System.Diagnostics; namespace Samples { /// <summary&g...
You can set a timeout limit using the timeout attribute. This can be useful in preventing requests running far longer than they should and impacting on the whole application as a result. The timeout attribute sets the maximum number of seconds that each action of a query is allowed to execute befor...
create destination with <a id="destinationLinkName"></a> link to destination [link text](#destinationLinkName)
To declare methods on a struct (i.e., functions that can be called "on" the struct, or values of that struct type), create an impl block: impl Foo { fn fiddle(&self) { // "self" refers to the value this method is being called on println!("fiddling...
System.Console.WriteLine("Hello World");
You cam amend the time of a commit using git commit --amend --date="Thu Jul 28 11:30 2016 -0400" or even git commit --amend --date="now"
If you make a commit as the wrong author, you can change it, and then amend git config user.name "Full Name" git config user.email "[email protected]" git commit --amend --reset-author
[TimeStamp] attribute can be applied to only one byte array property in a given Entity class. Entity Framework will create a non-nullable timestamp column in the database table for that property. Entity Framework will automatically use this TimeStamp column in concurrency check. using System.Compon...
static TestMethod void DmlTest() { List<Contact> allContacts = [SELECT Id FROM Contact]; System.assert(allContacts.isEmpty()); Contact testContact = new Contact(FirstName = 'John', LastName = 'Doe'); insert testContact; allContacts = [SELECT Id FROM Contact]; Sy...
For an instance, if the html source code of an html view or element is wrapped by an iframe like this: <iframe src="../images/eightball.gif" name="imgboxName" id="imgboxId"> <p>iframes example</p> <a href="../images/redball.gif" t...
To switch focus to either main document or first frame of the page. You have to use below syntax. driver.switchTo().defaultContent();
el-get is an open source package management system for GNU Emacs. el-get works with melpa, as well as with many common version control systms. Its documentation includes a simple self-installer for your .emacs: (unless (require 'el-get nil t) (url-retrieve "https://raw.github.com/dim...
This time we are going to declare a class decorator that will add some metadata to a class when we applied to it: function addMetadata(target: any) { // Add some metadata target.__customMetadata = { someKey: "someValue" }; // Return target ret...
We can wrap a class decorator with another function to allow customization: function addMetadata(metadata: any) { return function log(target: any) { // Add metadata target.__customMetadata = metadata; // Return target return target; ...
To determine the latest tested/supported version of Node that can be used with your installed version of Meteor, dump the node version directly from the build tool's bundled node instance. meteor node -v
impl<K, V> Serialize for MyMap<K, V> where K: Serialize, V: Serialize { fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer { let mut state = serializer.serialize_map(Some(self.len()))?; ...
// A Visitor is a type that holds methods that a Deserializer can drive // depending on what is contained in the input data. // // In the case of a map we need generic type parameters K and V to be // able to set the output type correctly, but don't require any state. // This is an example of a...

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