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Overriding a Rails default_scope
... edited May 23 '17 at 12:10
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answered Dec 2 '09 at 16:50
Pär WieslanderPär ...
How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an
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Use the -s option BEFORE the command to specify the device, for example:
adb -s 7f1c864e shell
See also http://developer.android.com/tools/help/adb.html#directingcommands
shar...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...uite a few issues:
It can be broken out of. If you are going to actually compile or run untrusted C programs on your system, you are especially vulnerable to this issue. And if your students are anything like mine, someone WILL try to break out of the jail.
You have to create a full independent fi...
Add a tooltip to a div
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For a fancier javascript version, you can look into:
https://jqueryhouse.com/best-jquery-tooltip-plugins/
The above link gives you 25 options for tooltips.
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What is the difference between statically typed and dynamically typed languages?
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A language is statically typed if the type of a variable is known at compile time. For some languages this means that you as the programmer must specify what type each variable is (e.g.: Java, C, C++); other languages offer some form of type inference, the capability of the type system to dedu...
Get size of all tables in database
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Any way to limit border length?
... This still seems the best way to do it. It's cross browser compatible and easy in maintenance.
– Pim Schaaf
Apr 25 '12 at 8:40
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Send POST data using XMLHttpRequest
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No, but @Vadorequest's comment mentioned jQuery - he asked if it were possible to pass data "like jQuery". I mentioned how I think jQuery does it and thus, how you could achieve this.
– Dan Pantry
Apr 16 '15 a...
What causes javac to issue the “uses unchecked or unsafe operations” warning
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This comes up in Java 5 and later if you're using collections without type specifiers (e.g., Arraylist() instead of ArrayList<String>()). It means that the compiler can't check that you're using the collection in a type-saf...
C++11 features in Visual Studio 2012
...1.1 from 1.0(not yet available in developer preview)
Improved, but still incomplete, Alignment
completed strongly-typed enums
forward declared enums
Standard layout and trivial types
Atomics
Strong compare and exchange
Bi-directional fences
Data-dependency ordering
Range-based for loop
In early No...