大约有 47,000 项符合查询结果（耗时：0.0716秒） [XML]
Python Regex - How to Get Positions and Values of Matches
...
Herbert
4,08444 gold badges3131 silver badges5757 bronze badges
answered Oct 30 '08 at 14:15
Peter HoffmannPete...
assign multiple variables to the same value in Javascript
... = touchDown = false;
Check this example
var a, b, c;
a = b = c = 10;
console.log(a + b + c)
share
|
improve this answer
|
follow
|
...
Compare integer in bash, unary operator expected
... specifying a default value for $i if $i is blank, as follows:
if [ "${i:-0}" -ge 2 ] ; then ...
This will substitute the value 0 instead of $i is $i is undefined. I still maintain the quotes because, again, if $i is a bunch of blanks then it does not count as undefined, it will not be replaced ...
Maintain the aspect ratio of a div with CSS
...entage value for padding-bottom, like this:
.demoWrapper {
padding: 10px;
background: white;
box-sizing: border-box;
resize: horizontal;
border: 1px dashed;
overflow: auto;
max-width: 100%;
height: calc(100vh - 16px);
}
div {
width: 100%;
padding-bottom: 75%;
background: g...
Adding a legend to PyPlot in Matplotlib in the simplest manner possible
...ll legend(loc='upper left').
Consider this sample (tested with Python 3.8.0):
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", label="sine")
plt.plot(x, y2, "-r", label="cosine")
plt.legend(loc="upper left")
plt.y...
How to replace a single word under cursor?
...
answered Jan 9 '13 at 10:48
Brian AgnewBrian Agnew
248k3535 gold badges309309 silver badges420420 bronze badges
...
Bash script processing limited number of commands in parallel
...
Augustin
2,0281616 silver badges2222 bronze badges
answered Oct 23 '13 at 13:35
devnulldevnull
...
PatternSyntaxException: Illegal Repetition when using regex in Java
...message: "Illegal repetition".
You should escape them: "\\{\"user_id\" : [0-9]*\\}".
And since you seem to be trying to parse JSON, I suggest you have a look at Jackson.
share
|
improve this answe...
Remove file from SVN repository without deleting local copy
...
answered Feb 12 '09 at 16:18
phihagphihag
239k6060 gold badges406406 silver badges444444 bronze badges
...
Changing names of parameterized tests
...
302
This feature has made it into JUnit 4.11.
To use change the name of parameterized tests, you s...