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Java: parse int value from a char
...n be converted into int(0 to 9), e.g., '5'-'0' gives int 5.
String str = "123";
int a=str.charAt(1)-'0';
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How to easily map c++ enums to strings
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If you want the enum names themselves as strings, see this post.
Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic sugar, here's how to write a map_init class. The goal is to al...
How do I access command line arguments in Python?
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123
import sys
sys.argv[1:]
will give you a list of arguments (not including the name of the py...
What is difference between instantiating an object using new vs. without
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123
The line:
Time t (12, 0, 0);
... allocates a variable of type Time in local scope, generall...
What is the most efficient way to create HTML elements using jQuery?
...ents were obviously wrong, I've removed them.
– tvanfosson
Sep 8 '10 at 13:23
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Regex, every non-alphanumeric character except white space or colon
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Try this:
[^a-zA-Z0-9 :]
JavaScript example:
"!@#$%* ABC def:123".replace(/[^a-zA-Z0-9 :]/g, ".")
See a online example:
http://jsfiddle.net/vhMy8/
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How to detect page zoom level in all modern browsers?
...en this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom level.
Edit (2011-12-12): I've added a project that can be cloned: https://github.com/tombigel/detect-zoom
IE8: s...
How do I correctly clean up a Python object?
...esources that need to be cleaned up. The problem with using an explicit close() statement is that you have to worry about people forgetting to call it at all or forgetting to place it in a finally block to prevent a resource leak when an exception occurs.
To use the with statement, create a class ...
How to find serial number of Android device?
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@Hasemam This is not working for me, giving "Force Close" error
– Paresh Mayani
Aug 26 '10 at 11:51
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How to install Android SDK Build Tools on the command line?
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@AlexanderMalakhov I agree, if your host OS has the utility, using it is the best option. I looked at expect first, but in my case I have to run the script on a certain Linux distributive running in AWS cloud. That distro does not have expect installed and I don...