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Auto increment in phpmyadmin
...op-up window, scroll left and check A_I. Also make sure you have selected None for Default
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recursion versus iteration
... and scopes in a stack. But changing your recursive algorithm to a looping one might need a lot of work and make your code less maintainable : as for every optimization, it should only be attempted when some profiling or evidence showed it to be necessary.
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Find unused code [closed]
... does this. Right click on your solution and selection "Find Code Issues". One of the results is "Unused Symbols". This will show you classes, methods, etc., that aren't used.
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How do I watch a file for changes?
... exactly what you want (if you exchange the path of the directory with the one of the file you want to watch).
Otherwise, polling will probably be the only really platform-independent option.
Note: I haven't tried any of these solutions.
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An invalid form control with name='' is not focusable
... on hidden form elements) runs into the problem of an inaccessible form as one can't submit the form and doesn't get any message from the browser or site. Preventing validation altogether via 'novalidate' is no correct answer as clientside validation should support user inputs. Changing the website ...
What is the common header format of Python files?
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Its all metadata for the Foobar module.
The first one is the docstring of the module, that is already explained in Peter's answer.
How do I organize my modules (source files)? (Archive)
The first line of each file shoud be #!/usr/bin/env python. This makes it possible to ru...
What is the meaning of prepended double colon “::”?
...ms refers to the namespace or class and its member. But what about the 1st one?
– Azurespot
Jun 3 '17 at 19:29
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Split a vector into chunks in R
...'t get me anywhere. So here is what I came up with, hopefully it helps someone some where.
20 Answers
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Why is “throws Exception” necessary when calling a function?
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In Java, as you may know, exceptions can be categorized into two: One that needs the throws clause or must be handled if you don't specify one and another one that doesn't. Now, see the following figure:
In Java, you can throw anything that extends the Throwable class. However, you don't...
In which order should floats be added to get the most precise result?
... bit) floats, and there are 1 billion values equal to 1 / (1 billion), and one value equal to 1. If the 1 comes first, then the sum will come to 1, since 1 + (1 / 1 billion) is 1 due to loss of precision. Each addition has no effect at all on the total.
If the small values come first, they will at ...