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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...s include Photoshop, Preview (on MacOS), GIMP (on MacOS and GNU/Linux and Windows) and Paint (on Windows PCs). There are many more. Some tools are commercial software other tools are free or provided with the computer’s operating system. You do not need a particularly fancy program (like Photosho...
How to get height of entire document with JavaScript?
...ys result in a 0. Also, if you load more stuff in, or the user resizes the window, you may need to re-test. Use onload or a document ready event if you need this at load time, otherwise just test whenever you need the number.
...
How to create separate AngularJS controller files?
...
@RuslanIsmagilov your appCtrl is a global window.appCtrl. That is not a good practice.
– Fresheyeball
Mar 20 '14 at 16:01
1
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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?
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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.
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