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HTML text input allow only numeric input

...rowsers don't support the step, min and max attributes. Chrome (version 71.0.3578.98) still allows the user to enter the characters e and E into the field. Also see this question. Firefox (version 64.0) and Edge (EdgeHTML version 17.17134) still allow the user to enter any text into the field. Try...
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How to generate random number in Bash?

...shell arithmetic. For instance, to generate a random number between 1 and 10 (inclusive): $ echo $((1 + RANDOM % 10)) 3 The actual generator is in variables.c, the function brand(). Older versions were a simple linear generator. Version 4.0 of bash uses a generator with a citation to a 1985 paper...
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What is your favorite C programming trick? [closed]

... 80 votes C99 offers some really cool stuff using anonymous arrays: Removing pointless...
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How can I round up the time to the nearest X minutes?

...icks * d.Ticks, dt.Kind); } Example: var dt1 = RoundUp(DateTime.Parse("2011-08-11 16:59"), TimeSpan.FromMinutes(15)); // dt1 == {11/08/2011 17:00:00} var dt2 = RoundUp(DateTime.Parse("2011-08-11 17:00"), TimeSpan.FromMinutes(15)); // dt2 == {11/08/2011 17:00:00} var dt3 = RoundUp(DateTime.Parse...
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Pip install Matplotlib error with virtualenv

...the trick! – grisaitis Feb 4 '13 at 0:59 2 It may work, but note that it wants to install quite a...
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Explanation of strong and weak storage in iOS5

... 509 The difference is that an object will be deallocated as soon as there are no strong pointers to...
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TypeError: not all arguments converted during string formatting python

...-style {} formatting uses {} codes and the .format method 'It will cost ${0} dollars.'.format(95) Note that with old-style formatting, you have to specify multiple arguments using a tuple: '%d days and %d nights' % (40, 40) In your case, since you're using {} format specifiers, use .format: ...
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How to extract one column of a csv file

...d of 2,3,4,5. – Igor Mikushkin Mar 10 '15 at 15:06 If you are a lucky guy using GNU Tools in Windows, you can execute ...
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SQL Server - stop or break execution of a SQL script

... 20 Answers 20 Active ...
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How do I check if a type provides a parameterless constructor?

... 170 The Type class is reflection. You can do: Type theType = myobject.GetType(); // if you have an ...