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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;
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// look for all Whites
std::pair<phonebook::iterator,phonebook::iterator> p=
pb.equal_range(boost::make_tuple(std::string("Whi...
Makefile variable as prerequisite
...-hostname: guard-HOSTNAME
./changeHostname.sh ${HOSTNAME}
If you call make change-hostname, without adding HOSTNAME=somehostname in the call, then you'll get an error, and the build will fail.
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What's the difference between MemoryCache.Add and MemoryCache.Set?
I read the MSDN documentation but didn't really understand it.
1 Answer
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How to disable anchor “jump” when loading a page?
...bably don't need it if it's in jQuery's $(function() { anyway. You don't really need the location.hash, but it's nice leaving it in so browsers may not have to do anything. Also reminds you what the scrollTo is for!
– dave1010
Sep 7 '10 at 13:50
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Test if element is present using Selenium WebDriver?
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Good call djangofan! I successfully used this strategy by changing the driver timeouts' implicit wait to zero, then changing it back to its previous value.
– emery
May 27 '15 at 17:18
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Swift - Cast Int into enum:Int
... started this week) and I'm migrating my app from Objective-C. I have basically the following code in Objective-C that works fine:
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How do I keep a label centered in WinForms?
...er. For example Left, Top, Right or Bottom. Fill tells the control to take all the available space in the container.
– decyclone
Dec 3 '10 at 10:42
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generating GUID without hyphen
...ut the (canonical) string representation of a Guid. The Guid itself is actually a 128-bit integer value.
You can use the "N" specifier with the Guid.ToString(String) overload.
Guid.NewGuid().ToString("N");
By default letters are lowercase. A Guid with only uppercase letters can only be achieved ...
How to set up tmux so that it starts up with specified windows opened?
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You can write a small shell script that launches tmux with the required programs. I have the following in a shell script that I call dev-tmux. A dev environment:
#!/bin/sh
tmux new-session -d 'vim'
tmux split-window -v 'ipython'
tmux split-wi...
How do you allow spaces to be entered using scanf?
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People (and especially beginners) should never use scanf("%s") or gets() or any other functions that do not have buffer overflow protection, unless you know for certain that the input will always be of a specific format (and perhaps not even t...