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How do I list all files of a directory?
How can I list all files of a directory in Python and add them to a list ?
21 Answers
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Random float number generation
How do I generate random floats in C++?
14 Answers
14
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Homebrew’s `git` not using completion
...X’s git, after I modify a file I can simply do git commit <tab> , and that’ll auto complete the file’s name to the one that was modified. However, if I install a newer version of git from homebrew and I use it, that feature no longer works (meaning I press <tab> and it just “a...
Func delegate with no return type
... the Action delegates return void.
Func<TResult> takes no arguments and returns TResult:
public delegate TResult Func<TResult>()
Action<T> takes one argument and does not return a value:
public delegate void Action<T>(T obj)
Action is the simplest, 'bare' delegate:
pu...
Using an integer as a key in an associative array in JavaScript
When I create a new JavaScript array, and use an integer as a key, each element of that array up to the integer is created as undefined.
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How Do I Fetch All Old Items on an RSS Feed?
I've been experimenting with writing my own RSS reader. I can handle the "parse XML" bit. The thing I'm getting stuck on is "How do I fetch older posts?"
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Read/Write 'Extended' file properties (C#)
...t is in c#:
Note, you have to add a reference to Microsoft Shell Controls and Automation from the COM tab of the References dialog.
public static void Main(string[] args)
{
List<string> arrHeaders = new List<string>();
Shell32.Shell shell = new Shell32.Shell();
Shell32.Fol...
How can I find the location of origin/master in git, and how do I change it?
...ecks if the remote is missing commits (compared to your local repository), and if so, by how many commits. If you push all your changes to "origin", both will be in sync, so you wont get that message.
2. If it's somewhere else, how do I turn my laptop into the 'origin/master'?
There is no poin...
PDO's query vs execute
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query runs a standard SQL statement and requires you to properly escape all data to avoid SQL Injections and other issues.
execute runs a prepared statement which allows you to bind parameters to avoid the need to escape or quote the param...
How can a Java variable be different from itself?
...same with Double.NaN.
From JLS §15.21.1. Numerical Equality Operators == and !=:
Floating-point equality testing is performed in accordance with the rules of the IEEE 754 standard:
If either operand is NaN, then the result of == is false but the result of != is true.
Indeed, the test x!=x is tru...