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count vs length vs size in a collection
...ifferent from the length in cases like vectors (or strings), there may be 10 characters in a string, but storage is reserved for 20. It also may refer to number of elements - check source/documentation.
Capacity() - used to specifically refer to allocated space in collection and not number of valid...
Python threading.timer - repeat function every 'n' seconds
I want to fire off a function every 0.5 seconds and be able to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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Open directory dialog
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410
You can use the built-in FolderBrowserDialog class for this. Don't mind that it's in the System....
Length of string in bash
...len "$myreal"
will answer:
Généralités has 11 chars, 14 bytes: ($'G\303\251n\303\251ralit\303\251s').
Nota: According to Isabell Cowan's comment, I've added setting to $LC_ALL along with $LANG.
Length of an argument
Argument work same as regular variables
strLen() {
local bytlen sreal...
How do I auto size a UIScrollView to fit its content
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306
The best method I've ever come across to update the content size of a UIScrollView based on its...
Including JavaScript class definition from another file in Node.js
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210
You can simply do this:
user.js
class User {
//...
}
module.exports = User
server.js
const...
How to detect the currently pressed key?
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if ((Control.ModifierKeys & Keys.Shift) != 0)
This will also be true if Ctrl+Shift is down. If you want to check whether Shift alone is pressed,
if (Control.ModifierKeys == Keys.Shift)
If you're in a class that inherits Control (such as a form), you can remove ...
iPhone app in landscape mode, 2008 systems
Please note that this question is from 2008 and now is of only historic interest.
8 Answers
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What is the best way to repeatedly execute a function every x seconds?
I want to repeatedly execute a function in Python every 60 seconds forever (just like an NSTimer in Objective C). This code will run as a daemon and is effectively like calling the python script every minute using a cron, but without requiring that to be set up by the user.
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How to output something in PowerShell
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200
Simply outputting something is PowerShell is a thing of beauty - and one its greatest strengths...