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How do you round a floating point number in Perl?

...f perldoc -q round Does Perl have a round() function? What about ceil() and floor()? Trig functions? Remember that int() merely truncates toward 0. For rounding to a certain number of digits, sprintf() or printf() is usually the easiest route. printf("%.3f", 3.1415926535); # prints 3...
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Scrolling child div scrolls the window, how do I stop that?

... Many browser scroll wheels disappear and reappear based on the user moving the mouse now, so the above comment is problem no longer an issue. – Keith Holliday Oct 16 '15 at 3:42 ...
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Broken references in Virtualenvs

...long with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they give the following error whenever I try to run anyth...
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How to Unit test with different settings in Django?

.../#overriding-settings TestCase will have a self.settings context manager, and there will also be an @override_settings decorator that can be applied to either a test method or a whole TestCase subclass. These features did not exist yet in Django 1.3. If you want to change settings for all your te...
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CSS: Setting width/height as Percentage minus pixels

I'm trying to create some re-usable CSS classes for more consistency and less clutter on my site, and I'm stuck on trying to standardize one thing I use frequently. ...
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Breaking/exit nested for in vb.net

...you want: Goto. In general, using goto is considered to be bad practice (and rightfully so), but using goto solely for a forward jump out of structured control statements is usually considered to be OK, especially if the alternative is to have more complicated code. For Each item In itemList ...
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How to debug template binding errors for KnockoutJS?

...t;/pre> This will spit out the data that is being bound at that scope and let you make sure that you are nesting things appropriately. Update: as of KO 2.1, you can simplify it to: <pre data-bind="text: ko.toJSON($data, null, 2)"></pre> Now the arguments are passed on to JSON....
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What characters can be used for up/down triangle (arrow without stem) for display in HTML?

...OINTING TRIANGLE ▾ - U+25BE SMALL BLACK DOWN-POINTING TRIANGLE For ▲ and ▼ use ▲ and ▼ respectively if you cannot include Unicode characters directly (use UTF-8!). Note that the font support for the smaller versions is not as good. Better to use the large versions in s...
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Enabling WiFi on Android Emulator

How to enable WiFi on Android emulator? I have tried to find this but everyone is confusing WiFi with 3G. 6 Answers ...
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Acronyms in CamelCase [closed]

...se you have this acronym: Unesco = United Nations Educational, Scientific and Cultural Organization. 11 Answers ...