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What is the difference between sigaction and signal?
I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
...
What's the difference between .bashrc, .bash_profile, and .environment?
I've used a number of different *nix-based systems of the years, and it seems like every flavor of Bash I use has a different algorithm for deciding which startup scripts to run. For the purposes of tasks like setting up environment variables and aliases and printing startup messages (e.g. MOTDs), ...
How do I set the default locale in the JVM?
...The host
environment's locale is determined by the host operating system and
the user preferences established on that system.
Second, on some Java runtime implementations, the application user can
override the host's default locale by providing this information on
the command line by se...
Broken references in Virtualenvs
...long with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they give the following error whenever I try to run anyth...
How to configure port for a Spring Boot application
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As said in docs either set server.port as system property using command line option to jvm -Dserver.port=8090 or add application.properties in /src/main/resources/ with
server.port=8090
For random port use
server.port=0
Similarly add application.yml in /src/main/resources/ with
server:
po...
How do you run JavaScript script through the Terminal?
... script - exactly as you do for Python, though the latter ships with the standard distribution.
If you have Rhino (or alternative) installed and on your path, then running JS can indeed be as simple as
> rhino filename.js
It's worth noting though that while JavaScript is simply a language in ...
How to find if a given key exists in a C++ std::map
... @jv110 The Microsoft C++ compiler issues a warning when it encounters a cast from int to bool. Though there are other C++ compilers that do not issue a similar warning, I prefer using an explicit comparison to make the intent clear and enhance readability. Note that other languages such as C# for...
Easiest way to split a string on newlines in .NET?
I need to split a string into newlines in .NET and the only way I know of to split strings is with the Split method. However that will not allow me to (easily) split on a newline, so what is the best way to do it?
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How can I force Powershell to return an array when a call only returns one object?
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You can either add a comma(,) before return list like return ,$list or cast it [Array] or [YourType[]] at where you tend to use the list.
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How do you Programmatically Download a Webpage in Java
...tr);
HttpURLConnection conn = (HttpURLConnection) url.openConnection(); // Cast shouldn't fail
HttpURLConnection.setFollowRedirects(true);
// allow both GZip and Deflate (ZLib) encodings
conn.setRequestProperty("Accept-Encoding", "gzip, deflate");
String encoding = conn.getContentEncoding();
InputSt...