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Open terminal here in Mac OS finder [closed]
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As of Mac OS X Lion 10.7, Terminal includes exactly this functionality as a Service. As with most Services, these are disabled by default, so you'll need to enable this to make it appear in the Services menu.
System Preferences > K...
Validating IPv4 addresses with regexp
I've been trying to get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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Send POST data using XMLHttpRequest
I'd like to send some data using an XMLHttpRequest in JavaScript.
13 Answers
13
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Will Dispose() be called in a using statement with a null object?
...using statement on a (potentially) null object?
Consider the following example:
5 Answers
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CSS force image resize and keep aspect ratio
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img {
display: block;
max-width:230px;
max-height:95px;
width: auto;
height: auto;
}
<p>This image is originally 400x400 pixels, but should get resized by the CSS:</p>
<img width="400" height="400" src="http://i.stack.imgu...
Batch files - number of command line arguments
...ing a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do Set /A argC+=1
echo %argC%
Seems like cmd.exe has evolved a bit from the old DOS days :)
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Does Eclipse have line-wrap
I'm editing an XML file with the Eclipse IDE and need to input paragraphs of text. It doesn't seem that eclipse has a line-wrap feature though. Anyone knows if it does or if there's a plugin for that?
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matplotlib colorbar for scatter
I'm working with data that has the data has 3 plotting parameters: x,y,c. How do you create a custom color value for a scatter plot?
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Why is string concatenation faster than array join?
...ng optimizations have changed the string concatenation picture.
Firefox was the first browser to optimize string concatenation. Beginning with version 1.0, the array technique is actually slower than using the plus operator in all cases. Other browsers have also optimized string concatenation, ...
Instance variables vs. class variables in Python
...answered Apr 26 '10 at 15:16
Alex MartelliAlex Martelli
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