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Checking from shell script if a directory contains files
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The solutions so far use ls. Here's an all bash solution:
#!/bin/bash
shopt -s nullglob dotglob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
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CSS strikethrough different color from text?
The HTML elements del , strike , or s may all be used for a text strike-through effect. Examples:
12 Answers
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jquery $(window).width() and $(window).height() return different values when viewport has not been r
I am writing a site using jquery that repeatedly calls $(window).width() and $(window).height() to position and size elements based on the viewport size.
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What's the difference between SCSS and Sass?
...te properties. Files using this syntax have the .sass extension.
However, all this works only with the Sass pre-compiler which in the end creates CSS. It is not an extension to the CSS standard itself.
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How to document a method with parameter(s)?
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Actually there is a space missing before Description. I checked the numpy documentation, because I immediately noticed and thought "Wait a second, why is it three spaces? That's odd. Who'd use three spaces?"
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What's the difference of ContentType and MimeType
... What's the main difference between the
each one, and when is right to call
something mimetype as opposed to
content-type ? Am i being pitty and
grammar nazi?
The reason isn't only backward compatibility, and I'm afraid the usually excellent Django documentation is a bit hand-wavy about i...
When is CRC more appropriate to use than MD5/SHA1?
...from network interference, line noise, distortion, etc.
CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for random error detection. However, using CRC for any kind of security check would be much less secure than a more complex hashing ...
Artificially create a connection timeout error
...occurs when I receive a connection timeout. These errors are very rare (usually when my connection gets dropped by our internal network). How can I generate this kind of effect artificially so I can test our software?
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AngularJS : How to watch service variables?
... $watch.
In the service:
factory('aService', function() {
var observerCallbacks = [];
//register an observer
this.registerObserverCallback = function(callback){
observerCallbacks.push(callback);
};
//call this when you know 'foo' has been changed
var notifyObservers = function(){...
Forgot “git rebase --continue” and did “git commit”. How to fix?
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This totally worked, and was also the first time I found a use for --soft. Nice to know how it works, thanks!
– mmocny
Jan 30 '13 at 18:12
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