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Why are preprocessor macros evil and what are the alternatives?
...have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real altern...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
The limit of int is from -2147483648 to 2147483647.
5 Answers
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What is the best AJAX library for Django? [closed]
Which AJAX library is the best for django and why?
Looking for one with a large database of tutorials, books and detailed documentation.
Which one is the easiest to work with?
Which one is in early development but shows great promise for the future?
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Relative imports in Python 3
I want to import a function from another file in the same directory.
13 Answers
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Undefined method 'task' using Rake 0.9.0
...est version ( 0.9.0.beta.4 ) and the rake command ends up with the following error message:
8 Answers
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Soft keyboard open and close listener in an activity in Android
...licks on the first EditText , the soft keyboard opens to enter some value in it. I want to set some other View 's visibility to Gone when the soft keyboard opens and also when the user clicks on the first EditText and also when the soft keyboard closes from the same EditText on the back butt...
How do you explicitly set a new property on `window` in TypeScript?
I setup global namespaces for my objects by explicitly setting a property on window .
22 Answers
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Show hide fragment in android
I am developing application which contains 2 fragments and i want to show hide according to my need. Following code has simple example of my problem.
This simple Fragmentactivity contains 1 button and one listfragment.
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Java HashMap performance optimization / alternative
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As many people pointed out the hashCode() method was to blame. It was only generating around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays i...
How can I swap positions of two open files (in splits) in vim?
Assume I've got some arbitrary layout of splits in vim.
12 Answers
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