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How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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iOS app with framework crashed on device, dyld: Library not loaded, Xcode 6 Beta
This crash has been a blocking issue I used the following steps to reproduce the issue:
29 Answers
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How can I display an RTSP video stream in a web page?
I have an ip camera which provides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL:
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Uninstall / remove a Homebrew package including all its dependencies
I have a Homebrew formula that I wish to uninstall/remove along with all its dependencies, skipping packages whom other packages depend upon (a.k.a. Cascading package removal in Package manager parlance).
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How to show particular image as thumbnail while implementing share on Facebook?
I am trying to implement share this method. I am using the code as follows
10 Answers
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What does the ??!??! operator do in C?
I saw a line of C that looked like this:
4 Answers
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Call a REST API in PHP
Our client had given me a REST API to which I need to make a PHP call to. But as a matter of fact the documentation given with the API is very limited, so I don't really know how to call the service.
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When do you use Java's @Override annotation and why?
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Use it every time you override a method for two benefits. Do it so that you can take advantage of the compiler checking to make sure you actually are overriding a method when you think you are. This way, if you make a common mistake of ...
How to show the “Are you sure you want to navigate away from this page?” when changes committed?
Here in stackoverflow, if you started to make changes then you attempt to navigate away from the page, a javascript confirm button shows up and asks: "Are you sure you want to navigate away from this page?" blee blah bloo...
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Remove a cookie
...ome, and then go into developer tools in chrome, I can see that the expire time is set to 1 second before the epoch (e.g. 1969-12-31 23:59:59) however when I next submit the page the cookie is submitted to the server. When I changed the -1 to 1 (e.g. 1970-01-01 00:00:01) to give the following comman...