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When should one use a spinlock instead of mutex?
... also note that on certain environments and conditions (such as running on windows on dispatch level >= DISPATCH LEVEL), you cannot use mutex but rather spinlock.
On unix - same thing.
Here is equivalent question on competitor stackexchange unix site:
https://unix.stackexchange.com/questions/510...
How to force child div to be 100% of parent div's height without specifying parent's height?
...lso, if you want to get rid of the scrollbar on the right-hand side of the window (appears in Firefox v28), give the window some breathing room: html { height: 100%; } body { height: 98%; }.
– Chris Middleton
Apr 24 '14 at 17:39
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Execute the setInterval function without delay the first time
... pretty-fy it if you need it:
(function() {
var originalSetInterval = window.setInterval;
window.setInterval = function(fn, delay, runImmediately) {
if(runImmediately) fn();
return originalSetInterval(fn, delay);
};
})();
Set the third argument of setInterval to true ...
Any way to exit bash script, but not quitting the terminal
...y, sh ./run2.sh, even if the embedded script ends with exit, your terminal window will still remain.
However if you use . or source, your terminal window will exit/close as well when subscript ends.
for more detail, please refer to What is the difference between using sh and source?
...
QLabel: set color of text and background
...ckground color
QPalette sample_palette;
sample_palette.setColor(QPalette::Window, Qt::white);
sample_palette.setColor(QPalette::WindowText, Qt::blue);
sample_label->setAutoFillBackground(true);
sample_label->setPalette(sample_palette);
sample_label->setText("What ever text");
It works f...
Setting the default Java character encoding
... I was scratching my head cause that command was not working on Windows, linux and mac perfectly... then i put " around the value like this: java -D"file.encoding=UTF-8" -jar
– cabaji99
Sep 22 '17 at 15:35
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How can I check file size in Python?
I am writing a Python script in Windows. I want to do something based on the file size. For example, if the size is greater than 0, I will send an email to somebody, otherwise continue to other things.
...
How to exit in Node.js
...
If you're in a Unix terminal or Windows command line and want to exit the Node REPL, either...
Press Ctrl + C twice, or
type .exit and press Enter, or
press Ctrl + D at the start of a line (Unix only)
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
... window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdSize":"16"},"share":{}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).s...
Rename package in Android Studio
... project and secondly appdebug was using old package name( visible in run window of studio) added applicationId "com.packagename" in app build.gradle defaultconfig ..
– baboo
Sep 11 '14 at 10:39
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