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How does the keyword “use” work in PHP and can I import classes with it?
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@divine. The classes may be from 3rd party vendors
– Dayo
May 10 '17 at 17:57
3
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C dynamically growing array
... shouldn't assume the role of a teacher, for example. I often read answers from those who seemingly don't know how to use realloc (i.e. the currently accepted answer!) telling others how to use it incorrectly, occasionally under the guise that they've omitted error handling, even though this is a co...
What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?
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For .Net <= 4.0 Use the TimeSpan class.
TimeSpan t = TimeSpan.FromSeconds( secs );
string answer = string.Format("{0:D2}h:{1:D2}m:{2:D2}s:{3:D3}ms",
t.Hours,
t.Minutes,
t.Seconds,
t.Milliseconds);
(As noted by Inder ...
What is the concept of erasure in generics in Java?
...ns that the type information which is present in the source code is erased from the compiled bytecode. Let us understand this with some code.
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class GenericsErasure {
public static void main(String args[]) {
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Debug.Assert vs Exception Throwing
...contrived) practical example may help illuminate the difference:
(adapted from MoreLinq's Batch extension)
// 'public facing' method
public int DoSomething(List<string> stuff, object doohickey, int limit) {
// validate user input and report problems externally with exceptions
if(st...
What is the equivalent of Java's final in C#?
...e context in which it is used.
Classes
To prevent subclassing (inheritance from the defined class):
Java
public final class MyFinalClass {...}
C#
public sealed class MyFinalClass {...}
Methods
Prevent overriding of a virtual method.
Java
public class MyClass
{
public final void myFinalMethod()...
Binding arrow keys in JS/jQuery
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Shadow: no, he means it stops the keydown event from firing on other DOM elements
– JasonWoof
Sep 10 '09 at 1:17
3
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Strangest language feature
...ng, because you can be sure nobody will -ever- find out what ??! will mean from Google without knowing the name already.
– zaratustra
Jan 4 '10 at 4:47
56
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How to count items in a Go map?
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Use len(m). From http://golang.org/ref/spec#Length_and_capacity
len(s) string type string length in bytes
[n]T, *[n]T array length (== n)
[]T slice length
map[K]T map leng...
Cocoa Autolayout: content hugging vs content compression resistance priority
...ngine to choose how your layout looks, and theoretically this could change from one iOS version to the next!
– smileyborg
Jan 10 '14 at 23:39
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