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In bash, how does one clear the current input?
... Don't get used to that, use Ctrl-U. Ctrl-C is not that bad in bash, but if you have e.g. a mysql client prompt, Ctrl-C will disconnect from the server which is really annoying.
– Christian
Nov 25 '13 at 10:54
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Nginx not picking up site in sites-enabled?
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Thanks for saving my life!
– MatTheCat
Dec 11 '13 at 9:29
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PHP: Count a stdClass object
...ble interface). Try casting the object, like below, as an array and seeing if that helps.
$total = count((array)$obj);
Simply casting an object as an array won't always work but being a simple stdClass object it should get the job done here.
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
...ethods such as require and permit.
The require method ensures that a specific parameter is present, and if it's not provided, the require method throws an error. It returns an instance of ActionController::Parameters for the key passed into require.
The permit method returns a copy of the paramet...
How to go back in Eclipse?
... execution flow (ctrl + click and etc.), is there a way to retrace a step? If my code calls a method and I go to the method definition, is there a key combination that will take me back to the calling code?
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In Xcode, how to suppress all warnings in specific source files?
...iption, with a -Wname-of-warning syntax. Prepend "no-" to the name and specify that in Compiler Flags. Example: to turn off -Wunused-parameter specify -Wno-unused-parameter
– Jon Reid
Aug 3 '11 at 5:38
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Why are nested weights bad for performance? Alternatives?
...iles where I used the layout_weight attribute to create a ratio between different views.
6 Answers
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jQuery hide element while preserving its space in page layout
...visibility: visible; will reveal it again.)
You'll want to use visibility if you want your content flow to remain unchanged.
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Use of the MANIFEST.MF file in Java
I noticed that JAR, WAR and EAR files have a MANIFEST.MF file under the META-INF folder.
2 Answers
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How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
... B.SalesOrderID
) AS SQ ON SQ.SalesOrderID = A.SalesOrderID
If what you're ultimately trying to do is get the values from the row with the highest value for Foo (rather than the max of Foo and the max of Foo2 - which is NOT the same thing) then the following will usually work better t...