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How do I read the first line of a file using cat?
... IFS prevents leading and trailing whitespace from being stripped from the string that's read.
– Charles Duffy
May 24 '18 at 15:39
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Android Camera Preview Stretched
... SurfaceView implements SurfaceHolder.Callback {
private static final String TAG = "CameraPreview";
private Context mContext;
private SurfaceHolder mHolder;
private Camera mCamera;
private List<Camera.Size> mSupportedPreviewSizes;
private Camera.Size mPreviewSize;
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Suppress or Customize Intro Message in Fish Shell
... it doesn't anymore; now it seems you need to set the variable to an empty string.
– mjs
Jun 13 '17 at 7:34
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...up of definitions, navigation of source code base or the previewing of doc-strings.
5 Answers
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jQuery remove options from select
...t option[value="X"]').remove();
Main point is that find takes a selector string, by feeding it x you are looking for elements named x.
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HTML5 LocalStorage: Checking if a key exists [duplicate]
... {
//
}
Another way, relevant when value is not expected to be empty string, null or any other falsy value:
if (localStorage["username"]) {
//
}
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How to insert a new line in Linux shell script? [duplicate]
...3]
The printf command may accept arguments and needs a format control string similar (but not exactly the same) to the one for the standard C printf(3) function...
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How to configure multi-module Maven + Sonar + JaCoCo to give merged coverage report?
...his will give you 99% success.
How does jacoco agent works?
You append a string
-javaagent:[your_path]/jacocoagent.jar=destfile=/jacoco.exec,output=tcpserver,address=*
to your application server JAVA_OPTS and restart it. In this string only [your_path] have to be replaced with the path to jaco...
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...is error by saving an object to the shared preferences as a gson converted string. The gson String was no good, so retrieving and deserializing the object was not actually working correctly. This meant any subsequent accesses to the object resulted in this error. Scary :)
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What's the best way to parse a JSON response from the requests library?
...sts.get(...)
json_data = json.loads(response.text)
This converts a given string into a dictionary which allows you to access your JSON data easily within your code.
Or you can use @Martijn's helpful suggestion, and the higher voted answer, response.json().
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