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cleanest way to skip a foreach if array is empty [duplicate]
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Not if initializing from a function/method. $items = get_stuff(). It's easier just to cast and falsy variables return an empty array.
– Keyo
Oct 4 '11 at 22:41
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Do threads have a distinct heap?
...Each thread has a private stack, which it can quickly add and remove items from. This makes stack based memory fast, but if you use too much stack memory, as occurs in infinite recursion, you will get a stack overflow.
Since all threads share the same heap, access to the allocator/deallocator mu...
SLF4J: Class path contains multiple SLF4J bindings
...sion (slf4j-log4j12) applicable for all? or should we find out the version from mvn dependency:tree?
– Lei Yang
Nov 11 '19 at 7:07
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What's the difference between HEAD, working tree and index, in Git?
.... It serves two major purposes:
it tells Git which commit to take files from when you checkout, and
it tells Git where to put new commits when you commit.
When you run git checkout ref it points HEAD to the ref you’ve designated and extracts files from it. When you run git commit it create...
How to send and retrieve parameters using $state.go toParams and $stateParams?
I am using AngularJS v1.2.0-rc.2 with ui-router v0.2.0. I want to pass the referrer state to another state so I use the toParams of $state.go like so:
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Difference between List, List, List, List, and List
...ough String is a subset of Object, but List<String> is not inherited from List<Object>.
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How do I check that a number is float or integer?
...r a remainder when dividing by 1:
function isInt(n) {
return n % 1 === 0;
}
If you don't know that the argument is a number you need two tests:
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}
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Window.open and pass parameters by post method
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What's the easiest way to escape HTML in Python?
...hat kind of encoding is useless if you just work with unicode all the time from start. Just encode at the end to the encoding specified in the document header (utf-8 for maximum compatibility).
Example:
>>> cgi.escape(u'<a>bá</a>').encode('ascii', 'xmlcharrefreplace')
'&l...
What is the difference between C, C99, ANSI C and GNU C?
...ventor of the C language, as one of the authors. This was "the C language" from 1972-1989.
The first C standard was released 1989 nationally in USA, by their national standard institute ANSI. This release is called C89 or ANSI-C. From 1989-1990 this was "the C language".
The year after, the Americ...