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Test whether a glob has any matches in bash
...it'll get pre-expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is the best option in terms of conciseness and minimizing potential side effects.
UPDATE: Example usage requested.
if compgen -G "/tmp/...
How to get the element clicked (for the whole document)?
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answered Jan 26 '12 at 0:41
alexalex
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Algorithm to generate a crossword
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answered Jun 20 '09 at 15:02
nickfnickf
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How to calculate md5 hash of a file using javascript
...enerally unable to read files from the local filesystem.
I wrote that in 2009. So what about new browsers?
With a browser that supports the FileAPI, you *can * read the contents of a file - the user has to have selected it, either with an <input> element or drag-and-drop. As of Jan 2013, her...
“is” operator behaves unexpectedly with integers
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403
Take a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>...
Storing sex (gender) in database
...- 2,147,483,648 to 2,147,483,647
BIT 1 (2 if 9+ columns) 2 (0 and 1)
CHAR(1) 1 26 if case insensitive, 52 otherwise
The BIT data type can be ruled out because it only supports two possible genders which is inadequate. While INT supports more than two options,...
Problem getting the AssemblyVersion into a web page using Razor /MVC3
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10 Answers
10
Active
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How to get child element by class name?
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var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = doc.childNodes[i];
break;
}
}
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Selector on background color of TextView
...ctor. So, the necessary changes would look like this:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:drawable="@drawable/selected_state" />
</selector>...