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How to check if Location Services are enabled?
I'm developing an app on Android OS. I don't know how to check if Location Services are enabled or not.
22 Answers
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best practice to generate random token for forgot password
...ier for forgot password . I read i can do it by using timestamp with mt_rand(), but some people are saying that time stamp might not be unique every time. So i am bit of confused here. Can i do it with using time stamp with this ?
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Maven and adding JARs to system scope
I have a JAR in my Android project and I want it to be added to final APK.
Okay, here I go:
8 Answers
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?
...hat it looks like in Chrome after selecting 2 items in the file dialog:
And here's what it looks like after clicking the "Upload" button.
This is just a sketch of a fully working answer. See PHP Manual: Handling file uploads for more information on proper, secure handling of file uploads in PH...
Convert string to a variable name
...ttp://www.r-bloggers.com/converting-a-string-to-a-variable-name-on-the-fly-and-vice-versa-in-r/
To convert a string to a variable:
x <- 42
eval(parse(text = "x"))
[1] 42
And the opposite:
x <- 42
deparse(substitute(x))
[1] "x"
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Can I squash commits in Mercurial?
...little side note: The Histedit extension is distributed with Mercurial 2.3 and later. You just have to enable it.
– Paidhi
Apr 16 '15 at 14:00
1
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How to discard local commits in Git?
I'd been working on something, and decided it was completely screwed...after having committed some of it. So I tried the following sequence:
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How to manually expand a special variable (ex: ~ tilde) in bash
...ted this there have been far better answers than my admittedly rudimentary and pretty bad answer (I was young, don't kill me).
The other solutions in this thread are safer and better solutions. Preferably, I'd go with either of these two:
Charle's Duffy's solution
Håkon Hægland's solution
O...
Submitting HTML form using Jquery AJAX
...using AJAX.
Really quickly there are 4 general web actions GET, POST, PUT, and DELETE; these directly correspond with SELECT/Retreiving DATA, INSERTING DATA, UPDATING/UPSERTING DATA, and DELETING DATA. A default HTML/ASP.Net webform/PHP/Python or any other form action is to "submit" which is a POST...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
.... Since Micro instances have only 613MB of memory, MySQL crashed every now and then. After a long search about MySQL, Micro Instance and Memory Managment I found out there is no default SWAP space for Micro instance. So if you want to avoid the crash you may need to setup a swap space for your micro...