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Local variables in nested functions
Okay, bear with me on this, I know it's going to look horribly convoluted, but please help me understand what's happening.
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How to programmatically empty browser cache?
I am looking for a way to programmatically empty the browser cache. I am doing this because the application caches confidential data and I'd like to remove those when you press "log out". This would happen either via server or JavaScript. Of course, using the software on foreign/public computer is s...
In Objective-C, how do I test the object type?
I need to test whether the object is of type NSString or UIImageView . How can I accomplish this? Is there some type of "isoftype" method?
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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
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The reason for first one working:
From MSDN:
In string concatenation operations,the C# compiler treats a null string the same as an empty string, but it does not convert the value of the original null string.
More information on the + ...
Python - json without whitespaces
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json.dumps(separators=(',', ':'))
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Groovy: what's the purpose of “def” in “def x = 0”?
...he Groovy Semantics Manual page ), why prefix the assignment with the keyword def ?
6 Answers
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Make div (height) occupy parent remaining height
...container can be accomplished in various ways depending on the browser support you wish to achieve and whether or not #up has a defined height.
Samples
.container {
width: 100px;
height: 300px;
border: 1px solid red;
float: left;
}
.up {
background: green;
}
.down {
backg...
Is there a simple way to remove multiple spaces in a string?
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>>> import re
>>> re.sub(' +', ' ', 'The quick brown fox')
'The quick brown fox'
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Transmitting newline character “\n”
Given the following URL (working, try it!)
4 Answers
4
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How costly is .NET reflection?
...o.
I use reflection to dynamically load assemblies (plugins) and its performance "penalty" is not a problem, since the operation is something I do during startup of the application.
However, if you're reflecting inside a series of nested loops with reflection calls on each, I'd say you should rev...