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Hidden Features of C#? [closed]
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64
A quick profile test shows that dummy-subscribed event handler without null test takes roughly 2x the time of unsubscribed event handler wi...
How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...00% sure you know which JRE or JDK is being used to run your program. On a 64 bit Windows 7 there could be quite a few JREs. Process Explorer can help you with this or you can use: System.out.println(System.getProperty("java.home"));
Copy the file JAVA_HOME\lib\security\cacerts to another folder.
In...
How to ignore xargs commands if stdin input is empty?
...SunOS sun4v
$ xargs -n1 echo blah < /dev/null
$ uname -is
Linux x86_64
$ xargs --version | head -1
xargs (GNU findutils) 4.7.0-git
$ xargs -n1 echo blah < /dev/null
blah
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improve t...
Matplotlib 2 Subplots, 1 Colorbar
...olorbar will be placed within one subplot.
– nyanpasu64
Feb 13 at 8:57
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Comparing mongoose _id and strings
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64
ObjectIDs are objects so if you just compare them with == you're comparing their references. I...
How do you kill a Thread in Java?
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JaredParJaredPar
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Writing a dict to txt file and reading it back?
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stevehasteveha
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Smart way to truncate long strings
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64
Note that this only needs to be done for Firefox.
All other browsers support a CSS solution (s...
How to use background thread in swift?
... background?()
let popTime = dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC)))
dispatch_after(popTime, dispatch_get_main_queue()) {
completion?()
}
}
}
Note: in Swift 2.0, replace QOS_CLASS_USER_INITIATED.value above with QOS_CLASS_USER...
C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...expr int W = 1000;
std::vector<std::thread> threads;
std::atomic<uint64_t> sum{0};
for (int t = 0; t < N; ++t) {
threads.emplace_back([&, t] {
for (int i = 0; i < M; ++i) {
if (i % W == 0) {
// write less
HazardPointer<A>::Update(target, new A(t * ...