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Why would a static nested interface be used in Java?
I have just found a static nested interface in our code-base.
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How do you push a Git tag to a branch using a refspec?
I want to force push, for example, my tag 1.0.0 to my remote master branch.
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How do you clear the SQL Server transaction log?
I'm not a SQL expert, and I'm reminded of the fact every time I need to do something beyond the basics. I have a test database that is not large in size, but the transaction log definitely is. How do I clear out the transaction log?
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In C, how should I read a text file and print all strings
I have a text file named test.txt
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What is the purpose of a question mark after a type (for example: int? myVariable)?
Typically the main use of the question mark is for the conditional, x ? "yes" : "no" .
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Do I need to create indexes on foreign keys on Oracle?
I have a table A and a table B . A has a foreign key to B on B 's primary key, B_ID .
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Count rows with not empty value
In a Google Spreadsheet: How can I count the rows of a given area that have a value? All hints about this I found up to now lead to formulas that do count the rows which have a not empty content (including formula), but a cell with
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Should import statements always be at the top of a module?
PEP 08 states:
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Test whether a glob has any matches in bash
If I want to check for the existence of a single file, I can test for it using test -e filename or [ -e filename ] .
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