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How do I check two or more conditions in one ?
...ck two conditions in one <c:if> ? I tried this, but it raises an error:
4 Answers
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What does “|=” mean? (pipe equal operator)
...ification.defaults | Notification.DEFAULT_SOUND;
where | is the bit-wise OR operator.
All operators are referenced here.
A bit-wise operator is used because, as is frequent, those constants enable an int to carry flags.
If you look at those constants, you'll see that they're in powers of two :
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What does the function then() mean in JavaScript?
...rGET('/api/server-config', function(config) {
// Fetch the user information, if he's logged in
xhrGET('/api/' + config.USER_END_POINT, function(user) {
// Fetch the items for the user
xhrGET('/api/' + user.id + '/items', function(items) {
// Ac...
Margin-Top push outer div down
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put overflow:auto in the parent div
see more in this link
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Inheritance vs. Aggregation [closed]
...ols of thought on how to best extend, enhance, and reuse code in an object-oriented system:
12 Answers
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What is exactly the base pointer and stack pointer? To what do they point?
...s stack walking in a debugger and viewing other frames local variables to work.
Most function prologs look something like:
push ebp ; Preserve current frame pointer
mov ebp, esp ; Create new frame pointer pointing to current stack top
sub esp, 20 ; allocate 20 bytes worth of locals on st...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
Looking at a Get-WebFile script over on PoshCode, http://poshcode.org/3226 , I noticed this strange-to-me contraption:
6 A...
Reference — What does this symbol mean in PHP?
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Incrementing / Decrementing Operators
++ increment operator
-- decrement operator
Example Name Effect
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++$a Pre-increment Increments $a by one, then returns $a.
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What's wrong with using $_REQUEST[]?
...ST in a combined way. In fact that's what you almost always want to do:
for a plain idempotent request usually submitted via GET, there's the possibility the amount of data you want won't fit in a URL so it has be mutated to a POST request instead as a practical matter.
for a request that has a re...
What's the difference between echo, print, and print_r in PHP?
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print and echo are more or less the same; they are both language constructs that display strings. The differences are subtle: print has a return value of 1 so it can be used in expressions whereas echo has a void return type; echo can take multi...