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Namespace + functions versus static methods on a class
...
By default, use namespaced functions.
Classes are to build objects, not to replace namespaces.
In Object Oriented code
Scott Meyers wrote a whole Item for his Effective C++ book on this topic, "Prefer non-member non-friend...
How do you convert a JavaScript date to UTC?
....sssZ,
respectively). The timezone is always zero UTC offset, as denoted by
the suffix "Z".
Source: MDN web docs
The format you need is created with the .toISOString() method. For older browsers (ie8 and under), which don't natively support this method, the shim can be found here:
This w...
What's onCreate(Bundle savedInstanceState)
...es... and also happens when the activity is coming back after being killed by the OS, and when you trigger any other configuration change of interest on your device.
– Alex Lockwood
Mar 29 '14 at 22:41
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Inserting HTML elements with JavaScript
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Have a look at insertAdjacentHTML
var element = document.getElementById("one");
var newElement = '<div id="two">two</div>'
element.insertAdjacentHTML( 'afterend', newElement )
// new DOM structure: <div id="one">one</div><div id="two">two</div>
position ...
Switch statement: must default be the last case?
...les the already mentioned Duff's Device:
Any statement may be preceded by a
prefix that declares an identifier as
a label name. Labels in themselves do
not alter the flow of control, which
continues unimpeded across them.
Edit: The code within a switch is nothing special; it is a norm...
Can you turn off Peek Definition in Visual Studio 2013 and up?
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If you have Resharper AND Productivity Power Tools, by default this will cause ctrl + click to go to definition AND peek the definition. Very annoying. The solution from @SnowFatal will turn off the peek functionality. Resharper's option is listed as "Go to Declaration on <...
What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?
... somewhere, the scope_identity() function will return the identity created by the query, while the @@identity function will return the identity created by the trigger.
So, normally you would use the scope_identity() function.
...
Chrome developer tools: View Console and Sources views in separate views/vertically tiled?
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Vertical split
You can undock the developer tools (by clicking on the icon in the bottom-left corner), which moves it to a new window. Then press Esc to open the console.
Both the window and the "small console" can be resized to meet your needs.
Horizontal split
If you p...
How to access the correct `this` inside a callback?
...function was called, not how/when/where it was defined. It is not affected by lexical scopes like other variables (except for arrow functions, see below). Here are some examples:
function foo() {
console.log(this);
}
// normal function call
foo(); // `this` will refer to `window`
// as object ...
How to print to the console in Android Studio?
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Run your application in debug mode by clicking on
in the upper menu of Android Studio.
In the bottom status bar, click 5: Debug button, next to the 4: Run button.
Now you should select the Logcat console.
In search box, you can type the tag of your mes...