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Why does dividing two int not yield the right value when assigned to double?
... of operator/, which takes 2 ints and returns an int. In order to use the double version, which returns a double, at least one of the ints must be explicitly casted to a double.
c = a/(double)b;
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Extract source code from .jar file
...r file with the command :
jar xf filename.jar
References : Oracle's JAR documentation
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How to initialise a string from NSData in Swift
... = NSString(data: fooData, encoding: String.Encoding.utf8.rawValue)
This doc explains the syntax.
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How to serve static files in Flask
...tic HTML page with some links to CSS and JS. And I can't find where in the documentation Flask describes returning static files. Yes, I could use render_template but I know the data is not templatized. I'd have thought send_file or url_for was the right thing, but I could not get those to wo...
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
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I guess this document might serve as a not so short introduction : n3055
The whole massacre began with the move semantics. Once we have expressions that can be moved and not copied, suddenly easy to grasp rules demanded distinction betwe...
Repeat table headers in print mode
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This is what the THEAD element is for. Official docs here.
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ListView item background via custom selector
...in-depth response. As I mentioned in my question, this is exactly what I'm doing at the moment as well and it works quite well.
– shilgapira
May 16 '10 at 9:46
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UIButton inside a view that has a UITapGestureRecognizer
...his new view has three buttons. When I now press on one of these buttons I don't get the buttons action, I only get the tap gesture action. So I'm not able to use these buttons anymore. What can I do to get the events through to these buttons? The weird thing is that the buttons still get highlighte...
What are the most-used vim commands/keypresses?
...d I'm having trouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' for appending text at the end of the line, or…" I can't imagine e...
Find out time it took for a python script to complete execution
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from datetime import datetime
startTime = datetime.now()
#do something
#Python 2:
print datetime.now() - startTime
#Python 3:
print(datetime.now() - startTime)
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