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What does “Splats” mean in the CoffeeScript tutorial?
...
Similar to the C# params keyword.
– ThatMatthew
Sep 27 '12 at 19:17
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What is the parameter “next” used for in Express?
...el with an async findOne():
function loadUser(req, res, next) {
if (req.params.userId) {
Users.findOne({ id: req.params.userId }, function(err, user) {
if (err) {
next(new Error("Couldn't find user: " + err));
return;
}
req.user = user;
next();
});...
Is there a vim command to relocate a tab?
...ow it works for me:
" Move current tab into the specified direction.
"
" @param direction -1 for left, 1 for right.
function! TabMove(direction)
" get number of tab pages.
let ntp=tabpagenr("$")
" move tab, if necessary.
if ntp > 1
" get number of current tab page.
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How do I get a human-readable file size in bytes abbreviation using .NET?
...gabytes, or gigabytes, depending on the size.
/// </summary>
/// <param name="filelength">The numeric value to be converted.</param>
/// <returns>the converted string</returns>
public static string StrFormatByteSize (long filesize) {
StringBuilder sb = new StringBu...
TypeScript and field initializers
...if you don't pass a field.
You can also mix it with required constructor parameters too -- stick fields on the end.
About as close to C# style as you're going to get I think (actual field-init syntax was rejected). I'd much prefer proper field initialiser, but doesn't look like it will happen ye...
What does the Java assert keyword do, and when should it be used?
... In fact, Oracle tells you not to use assert to check public method parameters (docs.oracle.com/javase/1.4.2/docs/guide/lang/assert.html). That should throw an Exception instead of killing the program.
– SJuan76
Aug 25 '13 at 21:58
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Android: Scale a Drawable or background image?
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none of these parameters scales bitmap, by keeping it's aspect ration, so the answer is wrong.
– Malachiasz
Jan 31 '14 at 14:04
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When do you use varargs in Java?
...good example is String.format. The format string can accept any number of parameters, so you need a mechanism to pass in any number of objects.
String.format("This is an integer: %d", myInt);
String.format("This is an integer: %d and a string: %s", myInt, myString);
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Officially, what is typename for?
...ts :-
Stroustrup reused the existing class
keyword to specify a type parameter
rather than introduce a new keyword
that might of course break existing
programs. It wasn't that a new keyword
wasn't considered -- just that it
wasn't considered necessary given its
potential disruption...
jQuery Plugin: Adding Callback functionality
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@David How to add callback parameter, I want to do this $('.elem').myPlugin({ callback: function (param) { // some action } });
– Jeaf Gilbert
Jul 15 '12 at 4:48
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