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What's the difference between isset() and array_key_exists()? [duplicate]
...e when the array value is set to null.
See isset on the PHP documentation site.
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iOS - How to set a UISwitch programmatically
..."on" that should be set.
Are you talking about an iOS app or a mobile web site?
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How to read a local text file?
...ways quote the most relevant part of an important link, in case the target site is unreachable or goes permanently offline." See How do I write a good answer.
– 4ae1e1
Mar 20 '15 at 22:04
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Why do we need a fieldset tag?
...swered Mar 16 '12 at 16:58
Eric SitesEric Sites
1,36699 silver badges1616 bronze badges
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How do you run a single query through mysql from the command line?
...gle search (for "mysql exec sql from command line") and not the huge mysql site!
– Guillaume Bois
Apr 4 '17 at 17:48
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Android search with Fragments
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See creating a search interface on the developer's site. The OP asked if it was possible to create a "searchable-Fragment" that works with the standard Android search as described in the documentation.
– Alex Lockwood
May 7 '12 at 16:38
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What's an easy way to read random line from a file in Unix command line?
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Just for the purposes of inclusion (in case the referred site goes down), here's the code that Tracker1 pointed to: "cat filename | perl -e 'while (<>) { push(@_,$_); } print @_[rand()*@_];';"
– Anirvan
Jan 15 '09 at 19:16
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How to get error information when HttpWebRequest.GetResponse() fails
...came across this question when trying to check if a file existed on an FTP site or not. If the file doesn't exist there will be an error when trying to check its timestamp. But I want to make sure the error is not something else, by checking its type.
The Response property on WebException will be o...
Git - How to use .netrc file on Windows to save user and password
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I am posting a way to use _netrc to download materials from the site www.course.com.
If someone is going to use the coursera-dl to download the open-class materials on www.coursera.com, and on the Windows OS someone wants to use a file like ".netrc" which is in like-Unix OS to add the op...
Delaying a jquery script until everything else has loaded
...your script) to wait until they're loaded to use them.
For example, on my site, I use this for asynchronous JS loading and waiting until they're finished before doing anything with them using jQuery:
<script type="text/javascript" language="JavaScript">
function js(url){
s = doc...