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Python: most idiomatic way to convert None to empty string?
... Uses the fact that python treats None, an empty list, an empty string, 0, etc as false. Also uses the fact that the or statement returns the first element that is true or the last element given to the or (or groups of ors). Also this uses lambda functions. I would give you +10 but obviously it ...
How can I group data with an Angular filter?
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you can use order-by with group-by @erfling, PTAL on: github.com/a8m/angular-filter/wiki/…
– a8m
Jan 14 '16 at 15:55
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Getting A File's Mime Type In Java
I was just wondering how most people fetch a mime type from a file in Java? So far I've tried two utils: JMimeMagic & Mime-Util .
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Do login forms need tokens against CSRF attacks?
...acker has access to saved payment information, can redirect the purchases, etc.
– you786
Dec 11 '17 at 21:40
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find: missing argument to -exec
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I really confused. find /etc/nginx -name '*.conf' -exec echo {} ; and find /etc/nginx -name '*.conf' -exec echo {}\; gave the same result. :(
– Kirby
Mar 14 '16 at 22:19
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Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
...hp stores error logs in /var/log/apache2 if php is an apache2" not on RHEL etc, where the package's name is 'httpd'. One really cannot assume that a package's name is consistent across distros.
– chelmertz
May 14 '13 at 9:07
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What is the point of function pointers?
...nters is the C library qsort() function, which implements a Quick Sort. In order to be universal for any and all data structures the user may come up with, it takes a couple of void pointers to sortable data and a pointer to a function that knows how to compare two elements of these data structures....
How do I execute a program from Python? os.system fails due to spaces in path
...offers more flexibility in controlling the process (capturing input/output etc), so is preferred.
– Brian
Oct 15 '08 at 11:16
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How to set time delay in javascript
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Place your code inside of the { }
500 = 0.5 seconds
2200 = 2.2 seconds
etc.
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How to make JavaScript execute after page load?
...g that the code as written results in handlers being fired in an undefined order when attached with attachEvent(). If order-of-handler-execution is important you may want to leave out the window.attachEvent branch.
– Grant Wagner
May 4 '09 at 20:00
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