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What is the best way to implement constants in Java? [closed]
...ava 5+.
If you have constants that are only valid to a particular class or one of its subclasses, declare them as either protected or public and place them on the top class in the hierarchy. This way, the subclasses can access these constant values (and if other classes access them via public, the ...
How to debug a referenced dll (having pdb)
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For me it was working one day but then the next day wasn't working (having DLLs and PDB files). Pressing the "Empty Symbol Cache" button on Tools > Options > Debugging > Symbols fixed it though.
– Paul
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Identifying the dependency relationship for python packages installed with pip
...dencies. This way you'll have a much nicer time the day you need to remove one of them :)
Note the following:
You can have a clean requirements.raw with version control to rebuild your full requirements.txt.
Beware of git urls being replaced by egg names in the process.
The dependencies of your d...
Query for documents where array size is greater than 1
...javascript in the query, json can be cumbersome. Many of these queries are one time only entered by hand so optimization is not required. I'll use this trick often +1
– pferrel
Mar 20 '14 at 15:37
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Command-line Unix ASCII-based charting / plotting tool
...u just want to pipe in a bunch of points and get a graph.
Thankfully, someone created eplot (easy plot), which handles all the nonsense for you.
It doesn't seem to have an option to force terminal graphs; I patched it like so:
--- eplot.orig 2012-10-12 17:07:35.000000000 -0700
+++ eplot 20...
Is #pragma once part of the C++11 standard?
...ake any sense IMO. DOS have supported only 8+3 chars per file name, yet no one argued that #include has to be removed, because one can blindly misuse the directive. #pragma once does not restrict portability in any way, providing that you won't exploit symbolic links to break the compilation.
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Understanding __get__ and __set__ and Python descriptors
... in the comments, if you simply try Temperature.celsius, instance will be None.
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Simple way to calculate median with MySQL
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The logic of having one statement: ( floor((total_rows+1)/2), floor((total_rows+2)/2) ) calculate the rows needed for the median is awesome! Not sure how you thought of that, but it is brilliant. The part I don't follow is the (SELECT @rownum:=...
How to check if a file is empty in Bash?
...-f full.txt
touch empty.txt
fi
I like shell scripting a lot, but one disadvantage of it is that the shell cannot help you when you misspell, whereas a compiler like your C++ compiler can help you.
Notice incidentally that I have swapped the roles of empty.txt and full.txt, as @Matthias su...
Paused in debugger in chrome?
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One possible cause, it that you've enabled the "pause on exceptions" (the little stop-sign shaped icon with the pause (||) symbol with in in the lower left of the window). Try clicking that back to the off/grey state (not re...