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Can't start Eclipse - Java was started but returned exit code=13
...ava. Click on it and you will find all the different versions. Now you can select which one to uninstall.
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Maven Install on Mac OS X
...t:~$ sudo port install maven3 will Install Maven 3.0
you@host:~$ sudo port select --set maven maven3 selects that version of Maven
Installing by hand:
Download Maven from its homepage
Follow the installation instructions:
Extract the distribution archive, i.e.apache-maven-3.3.9-bin.tar.gz to th...
Elegant method to generate array of random dates within two dates
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You can convert the boundary dates to integers (Date.getTime()) and then use Math.random() to generate your random dates within given boundaries. Then go back to Date objects with Date.setTime().
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SQL Server: Database stuck in “Restoring” state
... restore database wizard in SQL Server Management Studio. This way you can select the specific file locations, the overwrite option, and the WITH Recovery option.
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Twig ternary operator, Shorthand if-then-else
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{{ (ability.id in company_abilities) ? 'selected' : '' }}
The ternary operator is documented under 'other operators'
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Using PowerShell to write a file in UTF-8 without the BOM
...lso a valid UTF-8 file, but all non-ASCII characters in your input will be converted to literal ? characters.
– mklement0
Apr 7 '17 at 13:51
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Why should I capitalize my SQL keywords? [duplicate]
...ors. This said, while this convention is a good thing for DML/DDL such as SELECT/INSERT queries and such, it can make for heavy look of Procedural extensions to SQL as in stored procs.
– mjv
Dec 9 '09 at 4:34
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How can I change the copyright template in Xcode 4?
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Xcode 4 (and above) stores this on a per-project basis.
If you select the project in the Project Navigator (Cmd-1) and open the File Inspector (Cmd-Opt-1), you'll see a field for "Organization" under "Project Document".
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How can I filter a Django query with a list of values?
...ble values from the list then you can't use =.
The sql query will be like SELECT * FROM mytable WHERE ids=[1, 3, 6, 7, 9] which is not true. You have to use in operator for this so you query will be like SELECT * FROM mytable WHERE ids in (1, 3, 6, 7, 9) for that Django provide __in operator.
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How do I invoke a Java method when given the method name as a string?
...an.Dog";
Class<?> dogClass = Class.forName(dogClassName); // convert string classname to class
Object dog = dogClass.newInstance(); // invoke empty constructor
String methodName = "";
// with single parameter, return void
methodName = "setName";
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