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Fastest way to check if a value exists in a list

...to know if a value exists in a list (a list with millions of values in it) and what its index is? 13 Answers ...
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Standard deviation of a list

I want to find mean and standard deviation of 1st, 2nd,... digits of several (Z) lists. For example, I have 8 Answers ...
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Current time formatting with Javascript

...oneOffset() - Returns the number of minutes between the machine local time and UTC. There are no built-in methods allowing you to get localized strings like "Friday", "February", or "PM". You have to code that yourself. To get the string you want, you at least need to store string representations...
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Rails 4: assets not loading in production

I'm trying to put my app into production and image and css asset paths aren't working. 18 Answers ...
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How to reset radiobuttons in jQuery so that none is checked

...e note 2 below). Note 1: it is important that the second argument be false and not "false" since "false" is not a falsy value. i.e. if ("false") { alert("Truthy value. You will see an alert"); } Note 2: As of jQuery 1.6.0, there are now two similar methods, .attr and .prop that do two related b...
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Using try vs if in python

...er LBYL style ("look before you leap"). To me, it's a matter of efficiency and readability. In your example (say that instead of returning a list or an empty string, the function were to return a list or None), if you expect that 99 % of the time result will actually contain something iterable, I'd...
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to remove first and last element in array

How to remove first and last element in an array? 12 Answers 12 ...
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Where should signal handlers live in a django project?

...started implementing signal listeners in a django project. While I understand what they are and how to use them. I am having a hard time figuring out where I should put them. The documentation from the django site has this to say: ...
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What is the difference between Ruby 1.8 and Ruby 1.9

...m not clear on the differences between the "current" version of Ruby (1.8) and the "new" version (1.9). Is there an "easy" or a "simple" explanation of the differences and why it is so different? ...
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How to get the part of a file after the first line that matches a regular expression?

...g the TERMINATE regular expression (like grep) to the end of the file ($), and p is the print command which prints the current line. This will print from the line that follows the line matching TERMINATE till the end of the file: (from AFTER the matching line to EOF, NOT including the matching line...