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How do I use NSTimer?
How do I use an NSTimer ? Can anyone give me step by step instructions?
6 Answers
6
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MongoDB: How to update multiple documents with a single command?
...: 'field1', field2: 'field2'})
New in version 3.2
Params::
{}: select all records updated
Keyword argument multi not taken
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...t([:first,:email]).group(:first,:email).having("count(*) > 1").count in order to work.
– Rafael Oliveira
Oct 6 '14 at 22:27
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What's the rationale for null terminated strings?
...o say to D compiler your source use utf-8 you have to put some stupid byte order mark at beginning. I write stupid because I know of not editor doing that, especially for UTF-8 that is supposed to be ASCII compatible).
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Convert HashBytes to VarChar
...'t work in SQL 2005. If you're using SQL 2008 or above, then use CONVERT() all you want. Sadly I'm not aware of a single command which will work for all SQL versions, so either do some crazy version checking in your script, or just make a note somewhere that you need to fix the function if you upgra...
How to get names of enum entries?
...ndbook/release-notes/typescript-2-4.html
This allows you to write:
enum Order {
Cross cutting concern example
...e some clever tricks in IntelliJ IDEA (structural search & replace) in order to speed up the whole action, but boy don't you think it was trivial! Sure, strongly context-dependent debug logging will always occur within a method body, but many important types of logging such as tracing method cal...
How to change the style of alert box?
...relative;
width:300px;
min-height:100px;
margin-top:50px;
border:1px solid #666;
background-color:#fff;
background-repeat:no-repeat;
background-position:20px 30px;
}
#modalContainer > #alertBox {
position:fixed;
}
#alertBox h1 {
margin:0;
font:bold 0.9em ...
When do you use Git rebase instead of Git merge?
...oes conserve all your nice commits, or even give you the opportunity to re-order them through an interactive rebase).
In that case (where you rebase while being in the B branch), you are right: no further merge is needed:
A Git tree at default when we have not merged nor rebased
we get by rebas...
iPhone and OpenCV
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I forked it in order to keep it up to date with latest version of OpenCV: github.com/stephanepechard/iphone_opencv_test
– Stéphane Péchard
Sep 23 '11 at 13:53
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