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How to randomly pick an element from an array
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I wouldn't create Random() each time you run the function: the random generator is supposed to have history. If it haven't, it's extremely predictable. It's not a problem at all in this case — but it should be mentioned that array[(int)(System.currentTime...
How to solve “Fatal error: Class 'MySQLi' not found”?
I am doing a tutorial and am getting this error:
22 Answers
22
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Sass calculate percent minus px
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There is a calc function in both SCSS [compile-time] and CSS [run-time]. You're likely invoking the former instead of the latter.
For obvious reasons mixing units won't work compile-time, but will at run-time.
You can force the latter by using unquote, a SCSS function.
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List all environment variables from the command line
...actic sugar..
SET | more
enables you to see the variables one page at a time, rather than the whole lot, or
SET > output.txt
sends the output to a file output.txt which you can open in Notepad or whatever...
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What should every JavaScript programmer know? [closed]
...t (etc. etc.)
Frameworks may be useful, but they are often hiding the sometimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot of time in a framework is opposed to that.
Here are some JavaScript lang...
Git add and commit in one command
...it '!git add -A && git commit -m' so I don't have to type -m every time.
– incandescentman
Jan 6 '16 at 8:00
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Python glob multiple filetypes
...e a way to get it done in one iteration? Check the combined condition each time?
– Ridhuvarshan
Nov 9 '18 at 12:31
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Get key by value in dictionary
...ts such a use case anyway). A dict can be for multiple things at different times; keys and values have a clear meaning, of course, but "dict items with a given value" is a perfectly reasonable request. The recommendation to use a list of pairs would discard the context that one item is a 'definition...
UITableView didSelectRowAtIndexPath: not being called on first tap
...is mistake once. I upvoted because I have made this mistake no less than 4 times in just as many years, costing so much time.
– Brooks Hanes
Apr 3 '15 at 16:30
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How to find the .NET framework version of a Visual Studio project?
I have a project in Visual Studio. How can I find out which .NET Framework version it's for?
9 Answers
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