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surface plots in matplotlib
...
You can read data direct from some file and plot
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
from matplotlib import cm
import numpy as np
from sys import argv
x,y,z = np.loadtxt('your_file', unpack=True)...
Where does Java's String constant pool live, the heap or the stack?
...n Java is divided into two portions
1. Stack: One stack is created per thread and it stores stack frames which again stores local variables and if a variable is a reference type then that variable refers to a memory location in heap for the actual object.
2. Heap: All kinds of objects will be cre...
Must Dependency Injection come at the expense of Encapsulation?
...lare which other assemblies they relied on. It would be a crazy situation, reading docs and just hoping that something works after loading it. Declaring dependencies at that level lets automated tooling deal with the large-scale composition of the app. You have to squint to see the analogy, but simi...
using gitignore to ignore (but not delete) files
...ou can modify it in your local repo and git will never mark it as changed. Read more at:
http://blog.pagebakers.nl/2009/01/29/git-ignoring-changes-in-tracked-files/ - was reported dead at some time (sorry, not mine)
http://archive.robwilkerson.org/2010/03/02/git-tip-ignore-changes-to-tracked-files...
Difference between size_t and std::size_t
... is an unsigned
integer type of at least 16 bits.
And the rest you can read from this page at wikipedia.
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
... You got a very good point. I added a few lines to my msg, pls read
– Shimmy Weitzhandler
Apr 7 '09 at 1:25
10
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How to get the difference between two arrays of objects in JavaScript
... we consider them equal, false if we don't.
Using that, makeSymmDiffFunc (read "make symmetric difference function") returns us a new function:
return function(a, b) {
return complement(pred, a, b).concat(complement(pred, b, a));
};
This is the function we will actual...
Does MySQL ignore null values on unique constraints?
...UNIQUE?" Or "How to only allow one UNIQUE NULL value?"
The question has already been answered, yes you can have duplicate NULL values while using the UNIQUE index.
Since I stumbled upon this answer while searching for "how to allow one UNIQUE NULL value." For anyone else who may stumble upon this ...
Do try/catch blocks hurt performance when exceptions are not thrown?
...
Think of tight loops mate. Example the loop where you read and de-serialize objects from a socket data stream in game server and your trying to squeeze as much as you can. So you MessagePack for object serialization instead of binaryformatter, and use ArrayPool<byte> inste...
Fastest Way to Serve a File Using PHP
...any way to get your web server to help you, the only solution remaining is readfile it's available in all php versions currently in use and work pretty well (but isn't really efficient).
Combining solutions
In fine, the best way to send a file really fast if you want your php code to be usable e...