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How can I determine whether a Java class is abstract by reflection
I am interating through classes in a Jar file and wish to find those which are not abstract. I can solve this by instantiating the classes and trapping InstantiationException but that has a performance hit as some classes have heavy startup. I can't find anything obviously like isAbstract() in the C...
How to make unicode string with python3
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How can I make a JUnit Test wait?
I have a JUnit test that I want to have wait for a period of time, synchronously. My JUnit test looks like this:
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Can PostgreSQL index array columns?
I can't find a definite answer to this question in the documentation. If a column is an array type, will all the entered values be individually indexed?
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Find difference between timestamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done?
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How to find a table having a specific column in postgresql
I'm using PostgreSQL 9.1. I have the column name of a table. Is it possible to find the table(s) that has/have this column? If so, how?
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Angular ng-if=“” with multiple arguments
...am trying to get started on angular development. And after reviewing the documentation some questions persist. How do i best write a ng-if with multiple arguments corresponding to
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Should I git ignore xcodeproject/project.pbxproj file?
in a XCode project, I offen got xcodeproject/project.pbxproj file changed, but useless info for me, it for compile.
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How to create an array of 20 random bytes?
How can I create an array of 20 random bytes in Java?
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CMake: Print out all accessible variables in a script
I'm wondering if there is a way to print out all accessible variables in CMake. I'm not interested in the CMake variables - as in the --help-variables option. I'm talking about my variables that I defined, or the variables defined by included scripts.
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