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boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
... first key, then the second key if the first one is equal, etc. This order allows for partial searches where only the first keys are specified:
phonebook pb;
...
// look for all Whites
std::pair<phonebook::iterator,phonebook::iterator> p=
pb.equal_range(boost::make_tuple(std::string("Whi...
What does in XML mean?
...for the parser to interpret as only character data, not markup."
Syntactically, it behaves similarly to a comment:
<exampleOfAComment>
<!--
Since this is a comment
I can use all sorts of reserved characters
like > < " and &
or write things like
<foo><...
How to have click event ONLY fire on parent DIV, not children?
... a little complex). In this case, because objects are being compared, it really doesn't make a difference, but you'll find that most people will still stick with the strict comparison.
– user1106925
Jul 9 '15 at 18:26
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What does set -e mean in a bash script?
...shell functions, so if you have functions, set -o errtrace or set -E will allow you to just set the trap once and apply it globally.
– ykay
Jul 17 '15 at 18:21
32
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How do I prevent Android taking a screenshot when my app goes to the background?
...ar overflow, etc. — will be insecure. You can fix the Dialog problem by calling getWindow() on it and setting FLAG_SECURE. The rest... gets tricky. See this blog post for more.
share
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improve thi...
How does RegexOptions.Compiled work?
...methods on the Regex class.
For example: Regex.Replace, Regex.Match etc.. all use the Regex cache.
The size of the cache can be increased by setting Regex.CacheSize. It accepts changes in size any time during your application's life cycle.
New regular expressions are only cached by the static hel...
Length of an integer in Python
...ere are some benchmarks. The len(str()) is already behind for even quite small numbers
timeit math.log10(2**8)
1000000 loops, best of 3: 746 ns per loop
timeit len(str(2**8))
1000000 loops, best of 3: 1.1 µs per loop
timeit math.log10(2**100)
1000000 loops, best of 3: 775 ns per loop
timeit len...
How can I get a Dialog style activity window to fill the screen?
...tivity with the dialog theme set, and I want it to be full screen. I tried all sorts of things, even going through the WindowManager to expand the window to full width and height manually, but nothing works.
...
How to highlight a current menu item?
..., "/test/this", "/test/this/path" if you were on /test, it would highlight all of those options.
– Ben Lesh
May 29 '13 at 2:34
3
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Chrome extension: accessing localStorage in content script
...xtension context, so you don't need content scripts or messaging. You can call localStorage directly from the options page or use chrome.extension.getBackgroundPage from the options page.
– Mohamed Mansour
Jul 23 '11 at 12:43
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