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How to delete the contents of a folder?
... symbolic link to a directory). If ignore_errors is true, errors resulting from failed removals will be ignored; if false or omitted, such errors are handled by calling a handler specified by onerror or, if that is omitted, they raise an exception.
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Error handling in getJSON calls
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Here's my addition.
From http://www.learnjavascript.co.uk/jq/reference/ajax/getjson.html and the official source
"The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callback
methods introduced in jQuery 1.5 are deprecated as of jQuery 1.8...
Difference between VARCHAR and TEXT in MySQL [duplicate]
...CHAR does not provide any noticeable performance improvement. (This comes from an old wives tale about MyISAM tables; even there it was of dubious validity.)
– Rick James
Jan 27 '19 at 23:39
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What are WSGI and CGI in plain English?
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From a totally step-back point of view, Blankman, here is my "Intro Page" for Web Services Gateway Interface:
PART ONE: WEB SERVERS
Web servers serve up responses. They sit around, waiting patiently, and then with no warnin...
How do you allow spaces to be entered using scanf?
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If you just want to get a line from the user, it is easier. It's also safer since you can avoid buffer overflows. The scanf family is really useful for turning a string into different things (like four chars and an int for example with "%c%c%c%c%d") but, e...
Given a DateTime object, how do I get an ISO 8601 date in string format?
... @core: that's one of the standard Formats, which is different from the custom Formats linked: msdn.microsoft.com/en-us/library/az4se3k1(v=vs.110).aspx
– Wayne
Oct 29 '15 at 17:59
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How can I handle R CMD check “no visible binding for global variable” notes when my ggplot2 syntax i
...ot and data.table, and thus has tons of these warnings, which have kept me from noticing other more important warnings that really were problems I needed to fix.
– Ken Williams
Nov 25 '13 at 20:06
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Why do python lists have pop() but not push()
... The tutorial seems to suggest that it simply pushes and pops from the end: "The list methods make it very easy to use a list as a stack, where the last element added is the first element retrieved (“last-in, first-out”). To add an item to the top of the stack, use append(). To ret...
Significant new inventions in computing since 1980
This question arose from comments about different kinds of progress in computing over the last 50 years or so.
129 Answer...
Is there a way to change the environment variables of another process in Unix?
...t not help you.
Most programs will expect that env vars cannot be changed from the outside after startup, hence most will probably just read the vars they are interested in at startup and initialize based on that. So changing them afterwards will not make a difference, since the program will never ...