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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:=...
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...
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
...PSD I uploaded is for a black toolbar. I haven't tried much with the blue ones as my app doesn't use that. But from what I know the tool bar won't re-colour it as needed. chris.
– PyjamaSam
Jan 21 '10 at 23:28
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Unit testing private methods in C#
... you are trying to test, extract it and test it by its public interface.
One piece of advice / Thinking tool..... There is an idea that no method should ever be private. Meaning all methods should live on a public interface of an object.... if you feel you need to make it private, it most likely...
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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How does HTTP file upload work?
...esn't get blocked on every connection. You can have as many connections to one port, as the other sides has ports to bind their own end to.
– Slotos
Nov 12 '14 at 20:58
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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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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...
In what order are Panels the most efficient in terms of render time and performance?
There are many times when more than one panel would suitable for the layout I want, however I know there is a difference in render times for different panel types.
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