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How does PHP 'foreach' actually work?
Let me prefix this by saying that I know what foreach is, does and how to use it. This question concerns how it works under the bonnet, and I don't want any answers along the lines of "this is how you loop an array with foreach ".
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Xcode/Simulator: How to run older iOS version?
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To anyone else who finds this older question, you can now download all old versions.
Xcode -> Preferences -> Components (Click on Simulators tab).
Install all the versions you want/need.
To show all installed simulators:
Target -> In dropdown "deployment target" cho...
Creating a textarea with auto-resize
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It does! Made a jsfiddle for ya: jsfiddle.net/CbqFv It now works in Chrome, Firefox, and IE8 - although it is a little glitchy in IE8. As you increase or decrease number of lines it freaks out a little. As you might have seen in the autoresize plugin for jQuery, they work around ...
ReadOnlyCollection or IEnumerable for exposing member collections?
...s it just me or is this an answer to a different question? It's useful to know this "solution", but the op has asked for a comparison between returning a ReadOnlyCollection and IEnumerable. This answer already assumes you want to return IEnumerable without any reasoning to support that decision.
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Error: No default engine was specified and no extension was provided
...t get my pages displaying, I looked up why and came on to info on express. Now I followed info on the express 4.2 page, and ran into the error above which you helped with. Now I got ejs and it still does not seem to be all I need. Can you please give me a flow of how this ought to work please?
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Generate random numbers using C++11 random library
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@chris we all know the difference between a vector and a map, not everyone knows the difference between mt19937 and ranlux24, if someone managed to become a programmer without knowing what a vector and a dictionary are maybe they should hav...
Format in kotlin string templates
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Is this available now?
– Ragunath Jawahar
Mar 13 '15 at 8:00
4
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Is D a credible alternative to Java and C++? [closed]
... see of D, by all means, learn it - it shouldn't take long if you already know Java and C++. I don't think evangelism would be helpful - at this point if D is going to succeed, what it really needs is more people quietly using it and addressing its major shortcomings like standard library and IDE s...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
... key = ngx.md5(key)
ngx.var.phoenix_key = key
local now = ngx.time()
if ngx.var.arg_phoenix == true then
ngx.var.phoenix_fetch_skip = 0
else
for i = 0, 1 do
local errors = status:get_errors(index, now - i * 60)
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Predicate in Java
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static boolean isEven(int num) {
return (num % 2) == 0; // simple
}
Now, given a List<Integer>, you can process only the even numbers like this:
List<Integer> numbers = Arrays.asList(1,2,3,4,5,6,7,8,9,10);
for (int number : numbers) {
if (isEven(number)) {
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