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Postgres - FATAL: database files are incompatible with server
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If you recently upgraded to 11 or 12 from 10.x you can run the below command to upgrade your postgres data directory retaining all data:
brew postgresql-upgrade-database
The above command is taken from the output of brew i...
Reload Flask app when template file changes
...lask.run ), it monitors its Python files and automatically reloads the app if its code changes:
10 Answers
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Removing viewcontrollers from navigation stack
...he click of a button in the 5th viewcontroller. Is it possible to do this? If so how?
14 Answers
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Ternary Operator Similar To ?:
... code was to be more concise in not having a temporary val for a following if-statement: Do it intelligible in one line, just like one have it in mind.
– Peter Schmitz
Feb 9 '11 at 22:48
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How can I know when an EditText loses focus?
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public void onFocusChange(View v, boolean hasFocus) {
if (!hasFocus) {
// code to execute when EditText loses focus
}
}
});
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python assert with and without parenthesis
...ing (SyntaxWarning: assertion is always true, perhaps remove parentheses?) if you ran it through a full interpreter, not through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument.
Recall that non-empt...
Shared-memory objects in multiprocessing
...s giant array as input (together with some other parameters). func with different parameters can be run in parallel. For example:
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How to find all links / pages on a website
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how do I do that myself? and what if there is no robots.txt in a web site?
– Alan Coromano
Jul 30 '13 at 17:15
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CMake output/build directory
...ome complicated 50 lines of CMake script in order to make a program for 3 different compilers. This probably concludes all my knowledge in CMake.
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How to use Boost in Visual Studio 2010
...e Nate's answer is pretty good already, I'm going to expand on it more specifically for Visual Studio 2010 as requested, and include information on compiling in the various optional components which requires external libraries.
If you are using headers only libraries, then all you need to do is to ...