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Is there a standard sign function (signum, sgn) in C/C++?
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Surprised no one has posted the type-safe C++ version yet:
template <typename T> int sgn(T val) {
return (T(0) < val) - (val < T(0));
}
Benefits:
Actually implements signum (-1, 0, or 1). Implementations here using co...
Using the “animated circle” in an ImageView while loading stuff
I am currently using in my application a listview that need maybe one second to be displayed.
6 Answers
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How do I force make/GCC to show me the commands?
... for make, and -x tells sh to print the expanded line before executing it.
One advantage over -n is that is actually runs the commands. I have found that for some projects (e.g. Linux kernel) that -n may stop running much earlier than usual probably because of dependency problems.
One downside of th...
How to disable and re-enable console logging in Python?
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You can use:
logging.basicConfig(level=your_level)
where your_level is one of those:
'debug': logging.DEBUG,
'info': logging.INFO,
'warning': logging.WARNING,
'error': logging.ERROR,
'critical': logging.CRITICAL
So, if you set your_level to logging.CRITICAL, you ...
Which MySQL data type to use for storing boolean values
... @JamesHalsall: Actually, BIT(1) and TINYINT(1) will both use one byte of storage. Up until MySQL 5.0.3, BIT was actually a synonym for TINYINT. Later versions of MySQL changed the implementation of BIT. But even with the implementation change, there's still no "storage size" benefit to...
Clear text from textarea with selenium
...the proper error message appears when text in certain fields are invalid. One check for validity is that a certain textarea element is not empty.
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Android. WebView and loadData
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@Frank Same here, tested on HTC one 2.3.7 (probably all gingerbread) and got the same garbage, I has to use Andrey Novikov solution with WebView.loadDataWithBaseURL()
– ForceMagic
May 27 '14 at 14:58
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Feedback on using Google App Engine? [closed]
...re is to use a third part service like pingablity.com which can connect to one of your page and which executes the subscription emailer
but here also you will have to take care that you don't spend much time here
or break task into several pieces
It provides Django like modeling capabilities but bac...
Colspan all columns
...gain, this is not the perfect solution but seems to work in the above mentioned 3 browser versions when the table-layout CSS property is automatic. Hope this helps.
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Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)?
...to exclude Saturdays and Sundays from the available choices. Can this be done? If so, how?
11 Answers
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