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Why can Java Collections not directly store Primitives types?
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It was a Java design decision, and one that some consider a mistake. Containers want Objects and primitives don't derive from Object.
This is one place that .NET designers learned from the JVM and implemented value types and generics such that boxing is eliminated in ma...
Getting current device language in iOS?
...evice - not the currently selected language. These are often one and the same. However, if I am in North America and I set my language to Japanese, my region will still be English (United States). In order to retrieve the currently selected language, you can do:
NSString * language = [[NSLocale pre...
JavaScript: filter() for Objects
... feed him for a day, teach him how to bake and you'll feed him for a lifetime (or something, I'm danish, I don't know the correct English sayings ;)
– Martin Jespersen
Feb 21 '11 at 22:52
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Finding # occurrences of a character in a string in Ruby
I'm looking for the Ruby method (1.9...) that can help me find the number of occurrences of a character in a string. I'm looking for all occurrences, not just the first one.
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
What are all the valid self-closing elements (e.g. ) in XHTML (as implemented by the major browsers)?
13 Answers
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What's the point of NSAssert, actually?
...o make sure a value is what its supposed to be. If an assertion fails that means something went wrong and so the app quits. One reason to use assert would be if you have some function that will not behave or will create very bad side effects if one of the parameters passed to it is not exactly some...
define() vs. const
...he define() function:
const FOO = 'BAR';
define('FOO', 'BAR');
The fundamental difference between those two ways is that const defines constants at compile time, whereas define defines them at run time. This causes most of const's disadvantages. Some disadvantages of const are:
const cannot be ...
Why does the JavaScript need to start with “;”?
...ently noticed that a lot of JavaScript files on the Web start with a ; immediately following the comment section.
3 Answe...
How do I pass multiple parameters into a function in PowerShell?
If I have a function which accepts more than one string parameter, the first parameter seems to get all the data assigned to it, and remaining parameters are passed in as empty.
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Python datetime - setting fixed hour and minute after using strptime to get day,month,year
I've successfully converted something of 26 Sep 2012 format to 26-09-2012 using:
3 Answers
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