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How to tell if a file is git tracked (by shell exit code)?
Is there a way to tell if a file is being tracked by running some git command and checking its exit code?
8 Answers
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Creating and playing a sound in swift
So what I want to do is create and play a sound in swift that will play when I press a button, I know how to do it in Objective-C, but does anyone know how to in Swift?
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How to show the text on a ImageButton?
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It is technically possible to put a caption on an ImageButton if you really want to do it. Just put a TextView over the ImageButton using FrameLayout. Just remember to not make the Textview clickable.
Example:
<FrameLayout>
<ImageButton
android:id="@+id/button_x"
...
How do I change the IntelliJ IDEA default JDK?
...ject from external model . This works great, except that in my poms I specify that the maven-compiler-plugin should use JDK 1.6, and when I import, IDEA informs me that the Language Level Changed and that Language level changes will take effect on project reload , and then prompts to reload the ...
Find if current time falls in a time range
... //10 o'clock
TimeSpan end = new TimeSpan(12, 0, 0); //12 o'clock
TimeSpan now = DateTime.Now.TimeOfDay;
if ((now > start) && (now < end))
{
//match found
}
For absolute times use:
DateTime start = new DateTime(2009, 12, 9, 10, 0, 0)); //10 o'clock
DateTime end = new DateTime(20...
How can I get list of values from dict?
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A slightly "better" link (to a specific spot on the page you posted): docs.python.org/2/library/stdtypes.html#dict.values
– mgilson
Apr 26 '13 at 3:46
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Python regular expressions return true/false
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Match objects are always true, and None is returned if there is no match. Just test for trueness.
if re.match(...):
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Clear variable in python
...ing a variable to null in PHP gives you similar behaviour in most cases as if you hadn't defined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite like most other incarnations of null, however (until we get into more arcane details, at leas...
Detect permission of camera in iOS
... authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorized) {
// do your logic
} else if(authStatus == AVAuthorizationStatusDenied){
// denied
} else if(authStatus == AVAuthorizationStatusRestricted){
// restricted, normally won'...
rmagick gem install “Can't find Magick-config”
...stalling, or even Ruby itself.
Do you have apt installed on your machine? If not, I'd recommend installing it, because it's a quick and easy way to get a lot of development libraries.
If you see people suggest installing "libmagick9-dev", that's an apt package that you'd install with:
$ sudo apt-...
