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count vs length vs size in a collection
From using a number of programming languages and libraries I have noticed various terms used for the total number of elements in a collection.
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How to initialize private static members in C++?
What is the best way to initialize a private, static data member in C++? I tried this in my header file, but it gives me weird linker errors:
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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
I want the user to select a directory where a file that I will then generate will be saved. I know that in WPF I should use the OpenFileDialog from Win32, but unfortunately the dialog requires file(s) to be selected - it stays open if I simply click OK without choosing one. I could "hack up" the f...
Length of string in bash
How do you get the length of a string stored in a variable and assign that to another variable?
8 Answers
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How do I auto size a UIScrollView to fit its content
Is there a way to make a UIScrollView auto-adjust to the height (or width) of the content it's scrolling?
21 Answers
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Including JavaScript class definition from another file in Node.js
I'm writing a simple server for Node.js and I'm using my own class called User which looks like:
7 Answers
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How to detect the currently pressed key?
In Windows Forms , you can know, at any time, the current position of the cursor thanks to the Cursors class.
11 Answers...
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
I am running a PowerShell script from within a batch file. The script fetches a web page and checks whether the page's content is the string "OK".
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