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Exit Shell Script Based on Process Exit Code
...cript that executes a number of commands. How do I make the shell script exit if any of the commands exit with a non-zero exit code?
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Testing web application on Mac/Safari when I don't own a Mac
Having been caught out recently when a web site I launched displayed perfectly on IE, Firefox, Chrome and Safari on Windows but was corrupted when viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac.
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GitHub: How to make a fork of public repository private?
How can I fork a public repository, but make my fork private? I do have the subscription to support private repositories.
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Error: request entity too large
I'm receiving the following error with express:
19 Answers
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Can someone explain __all__ in Python?
...e and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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C++ SFINAE examples?
...t into more template meta-programming. I know that SFINAE stands for "substitution failure is not an error." But can someone show me a good use for SFINAE?
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How to force a web browser NOT to cache images
I am writing and using a very simple CGI-based (Perl) content management tool for two pro-bono websites. It provides the website administrator with HTML forms for events where they fill the fields (date, place, title, description, links, etc.) and save it. On that form I allow the administrator to u...
How do I speed up the gwt compiler?
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Let's start with the uncomfortable truth: GWT compiler performance is really lousy. You can use some hacks here and there, but you're not going to get significantly better performance.
A nice performance hack you can do is to compile for...
Error: could not find function … in R
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There are a few things you should check :
Did you write the name of your function correctly? Names are case sensitive.
Did you install the package that contains the function? install.packages("thePackage") (this only needs to be done once)
Did you attach that package to the wo...
Center a position:fixed element
I would like to make a position: fixed; popup box centered to the screen with a dynamic width and height. I used margin: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally.
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