大约有 16,000 项符合查询结果（耗时：0.0286秒） [XML]
What does collation mean?
...
Collation can be simply thought of as sort order.
In English (and it's strange cousin, American), collation may be a pretty simple matter consisting of ordering by the ASCII code.
Once you get into those strange European languages with a...
Converting user input string to regular expression
...ction they want to test with (e.g. search, match, replace, etc.) via radio button and the program will display the results when that function is run with the specified arguments. Naturally there will be extra text boxes for the extra arguments to replace and such.
...
Return positions of a regex match() in Javascript?
...
exec returns an object with a index property:
var match = /bar/.exec("foobar");
if (match) {
console.log("match found at " + match.index);
}
And for multiple matches:
var re = /bar/g,
str = "foobarfoobar";
while ...
Functional, Declarative, and Imperative Programming [closed]
...te the cells.
Also, several answers claim that functional programming must be a subset of declarative. On that point it depends if we differentiate "function" from "procedure". Lets handle imperative vs. declarative first.
Definition of declarative expression
The only attribute that can possibly dif...
Find and Replace Inside a Text File from a Bash Command
... the simplest way to do a find and replace for a given input string, say abc , and replace with another string, say XYZ in file /tmp/file.txt ?
...
How to keep one variable constant with other one changing with row in excel
...
Use this form:
=(B0+4)/$A$0
The $ tells excel not to adjust that address while pasting the formula into new cells.
Since you are dragging across rows, you really only need to freeze the row part:
=(B0+4)/A$0
Keyboard Shortcuts
Commen...
How to plot multiple functions on the same figure, in Matplotlib?
...ure you will have to do:
from numpy import *
import math
import matplotlib.pyplot as plt
t = linspace(0, 2*math.pi, 400)
a = sin(t)
b = cos(t)
c = a + b
plt.plot(t, a, 'r') # plotting t, a separately
plt.plot(t, b, 'b') # plotting t, b separately
plt.plot(t, c, 'g') # plotting t, c separately ...
HTML5 Canvas Resize (Downscale) Image High Quality?
I use html5 canvas elements to resize images im my browser. It turns out that the quality is very low. I found this: Disable Interpolation when Scaling a <canvas> but it does not help to increase the quality.
...
Fastest method to escape HTML tags as HTML entities?
... writing a Chrome extension that involves doing a lot of the following job: sanitizing strings that might contain HTML tags, by converting < , > and & to &lt; , &gt; and &amp; , respectively.
...
How to get a specific output iterating a hash in Ruby?
I want to get a specific output iterating a Ruby Hash.
6 Answers
6
...