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SQL WHERE.. IN clause multiple columns
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@sleske: EXISTS is by far better: see my comments in my answer. And test it first,. @mrdenny: I misread your answer at first, I'd use EXISTS too
– gbn
Jul 16 '09 at 8:17
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Using Rails serialize to save hash to database
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Easiest way to detect Internet connection on iOS?
... if you have already looked at it but there is a nice sample code provided by Apple.
Download the sample code here
Include the Reachability.h and Reachability.m files in your project. Take a look at ReachabilityAppDelegate.m to see an example on how to determine host reachability, reachability...
How to handle $resource service errors in AngularJS
... handler common to all use of this resource (e.g. "resource not authorized by server" ?
– Nicolas Janel
Sep 5 '14 at 12:32
2
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Does python have an equivalent to Java Class.forName()?
... Exec is extremely dangerous. It's easy to shoot yourself in the foot by overwriting names in your scope dynamically and just as easy to open a security flaw the size of Rhode Island.
– Serafina Brocious
Jan 17 '09 at 8:52
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JavaScript: how to change form action attribute value based on selection?
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Simple and easy in javascipt
<script>
document.getElementById("selectsearch").addEventListener("change", function(){
var get_form = document.getElementById("search-form") // get form
get_form.action = '/search/' + this.value; // assign value
});
</script>
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Random record from MongoDB
...ter if you want one record but good point anyway
– Toby
Jan 10 '16 at 3:35
3
Not to be pedantic b...
Active Record - Find records which were created_at before today
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Can anybody find the TFS “Unshelve” option in Visual Studio 2012?
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What is the equivalent of “!=” in Excel VBA?
...xplanation, but in short, part of how strings are stored is that the first bytes store the length of the string, then the following bytes store the characters: [3][C][A][T]. An "empty" string has a [0] for the first bytes and checking the Len allows the code to just check and compare Integers. Addit...