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Remove multiple whitespaces
I'm getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
15 Answer...
JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...pack rt.jar
../../bin/unpack200 jsse.pack jsse.rar
../../bin/unpack200 charsets.pack charsets.jar
To prevent version problems in case you have another JRE installed, use the same unpack200 that ships with the JRE you are fixing – that is, from the command line, use ../../bin/unpack200 (for me, t...
Making git diff --stat show full file path
...wed by ... if there are
more.
These parameters can also be set individually with
--stat-width=<width>, --stat-name-width=<name-width> and
--stat-count=<count>.
(For scripting you might want to use git diff-tree directly since it's more of a "plumbing...
How do I split a multi-line string into multiple lines?
I have a multi-line string literal that I want to do an operation on each line, like so:
6 Answers
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[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
[since C++11] std::array的使用learning-using-cpp11-stl-array 前言本文总结了STL中的序列式容器array的用法及注意事项。array的出现代表着C++的代码更进一步现代化，就像std::string的出现代替了c风格字符串并且能和STL配合工作一样，array的 #...
How to draw polygons on an HTML5 canvas?
...ith moveTo and lineTo (live demo):
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#f00';
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(100,50);
ctx.lineTo(50, 100);
ctx.lineTo(0, 90);
ctx.closePath();
ctx.fill();
shar...
Random / noise functions for GLSL
...looking for a "graphics randomization swiss army knife" utility function set, preferably optimised to use within GPU shaders. I prefer GLSL, but code any language will do for me, I'm ok with translating it on my own to GLSL.
...
node.js: read a text file into an array. (Each line an item in the array.)
I would like to read a very, very large file into a JavaScript array in node.js.
13 Answers
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How to identify numpy types in python?
...edArrays, matrix, recarray are all subclasses of ndarray, so you should be set.
If you want to test whether a scalar is a numpy scalar, things get a bit more complicated. You could check whether it has a shape and a dtype attribute. You can compare its dtype to the basic dtypes, whose list you can f...
Count number of occurences for each unique value
... is a good way to go, as Chase suggested.
If you are analyzing a large dataset, an alternative way is to use .N function in datatable package.
Make sure you installed the data table package by
install.packages("data.table")
Code:
# Import the data.table package
library(data.table)
# Generate ...