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Convert string to a variable name
... 5)
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[1] 5
but buyer beware.
See R FAQ 7.21
http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-turn-a-string-into-a-variable_003f
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Avoid browser popup blockers
...low purely in JavaScript and I want to show the user the "grant access" window in a popup, but it gets blocked.
8 Answers
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How to insert a newline in front of a pattern?
...ral to be escaped with a backslash, hence the \ before $. And finally, the dollar sign itself shouldn't be quoted so that it's interpreted by the shell, therefore we close the quote before the $ and then open it again.
Edit: As suggested in the comments by @mklement0, this works as well:
sed $'s/r...
Scrolling child div scrolls the window, how do I stop that?
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You can inactivate the scrolling of the whole page by doing something like this:
<div onmouseover="document.body.style.overflow='hidden';" onmouseout="document.body.style.overflow='auto';"></div>
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Android Game Keeps Getting Hacked [closed]
...rror. We setup Google Alerts for all our apps, so we get told daily who's doing the hacking. So far, we have implemented the licensing service as Google has suggested, our salt is randomly made each time the license is initiated with the unique device ID. We run the check service once, when the a...
Python: Continuing to next iteration in outer loop
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In a general case, when you have multiple levels of looping and break does not work for you (because you want to continue one of the upper loops, not the one right above the current one), you can do one of the following
Refactor the loops you want to escape from into a function
def inner():
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Using `textField:shouldChangeCharactersInRange:`, how do I get the text including the current typed
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@MikeGledhill You can do the same thing programmatically: [textField addTarget:self action:@selector(textFieldEditingChanged:) forControlEvents:UIControlEventEditingChanged]
– Steve Moser
Jun 19 '17 at 18:11
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How do I make a fully statically linked .exe with Visual Studio Express 2005?
...umerous issues regarding heap management that you probably want nothing to do with.
– Edward Strange
Feb 14 '11 at 23:35
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Do something if screen width is less than 960 px
How can I make jQuery do something if my screen width is less than 960 pixels? The code below always fires the 2nd alert, regardless of my window size:
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JavaScript style for optional callbacks
...peof callback === 'function' && callback();
The typeof command is dodgy however and should only be used for "undefined" and "function"
The problems with the typeof !== undefined is that the user might pass in a value that is defined and not a function
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