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Can someone explain __all__ in Python?
... @BrandonRhodes: that’s not exactly true either: It’s recommended to only import modules that you know to be designed for import * (like e.g. tk). A good hint if this is the case is the presence of __all__ or names starting with underscore in the module’s code.
– fly...
shortcut in Android Studio to locate the current editing src file
Do you know how to check the location of current editing file in the project tree panel (the very left panel of the Android Studio), except manually. (The worst case is that all the folders there are collapsed)
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
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Let's attempt to also modify i when we increment j:
int j = 0;
for (int i = 0 ; i < 100 ; ++i)
if (i % 2 == 0)
j++;
i++;
Oh no! Coming from Python, this looks ok, but in fact it isn't, as it's equivalent to:
int ...
How do I force my .NET application to run as administrator?
...nce my program is installed on a client machine, how do I force my program to run as an administrator on Windows 7?
12 Ans...
Trying to add adb to PATH variable OSX
I am trying to develop for android and I want to add the adb to my PATH so that I can launch it really easily. I have added directories before by for some reason adb does not want to be found. This is very frustrating. Has anyone else had this problem before?
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Bootstrap 3 Navbar with Logo
I want to use the Bootstrap 3 default navbar with an image logo instead of text branding. What's the proper way of doing this without causing any issues with different screen sizes? I assume this a common requirement, but I haven't yet seen a good code sample. A key requirement other than having acc...
How do I abort/cancel TPL Tasks?
...log post which explains a proper way of canceling tasks using cancellation tokens. Here's an example:
class Program
{
static void Main()
{
var ts = new CancellationTokenSource();
CancellationToken ct = ts.Token;
Task.Factory.StartNew(() =>
{
wh...
Find a Pull Request on Github where a commit was originally created
...r understanding the larger thinking around a change or set of changes made to a repo. Reading pull requests are a great way to quickly "grok" a project as, instead of small atomic changes to the source, you get larger groupings of logical changes. Analogous to organizing the lines in your code into ...
How do I get git to default to ssh and not https for new repositories
These days when I create a new repository on GitHub on the setup page I get:
6 Answers
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Fast permutation -> number -> permutation mapping algorithms
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To describe a permutation of n elements, you see that for the position that the first element ends up at, you have n possibilities, so you can describe this with a number between 0 and n-1. For the position that the next elem...