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Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
How can I change an element's class with JavaScript?
How can I change a class of an HTML element in response to an onclick event using JavaScript?
32 Answers
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Take screenshots in the iOS simulator
I want to take a screenshot of my iOS application when it is running in the simulator, and save the screenshot on my Mac. How can I do this?
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How to parse freeform street/postal address out of text, and into components
We do business largely in the United States and are trying to improve user experience by combining all the address fields into a single text area. But there are a few problems:
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Determine on iPhone if user has enabled push notifications
I'm looking for a way to determine if the user has, via settings, enabled or disabled their push notifications for my application.
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Django vs. Model View Controller [closed]
Can somebody explain me where the diferences are between Django and the Model View Controller pattern?
4 Answers
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How to add hyperlink in JLabel?
What is the best way to add a hyperlink in a JLabel? I can get the view using html tags, but how to open the browser when the user clicks on it?
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How do you calculate log base 2 in Java for integers?
I use the following function to calculate log base 2 for integers:
10 Answers
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Bash Templating: How to build configuration files from templates with Bash?
I'm writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig.
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How to check size of a file using Bash?
I've got a script that checks for 0-size, but I thought there must be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case.
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