大约有 15,483 项符合查询结果（耗时：0.0215秒） [XML]
How to access command line arguments of the caller inside a function?
...
One can do it like this as well
#!/bin/bash
# script_name function_test.sh
function argument(){
for i in $@;do
echo $i
done;
}
argument $@
Now call your script like
./function_test.sh argument1 argument2
shar...
javascript i++ vs ++i [duplicate]
... Guffa is correct here. jsperf.com/ppi-vs-ipp-forloop when I run this test and it shows i++ being faster in a for loop, but not by enough to be significant. While ++i may be faster in other languages, I think it's safe to say javascript optimizes the operation to be the same.
...
Reserved keywords in JavaScript
...vedKeyword(wordToCheck) {
var reservedWord = false;
if (/^[a-z]+$/.test(wordToCheck)) {
try {
eval('var ' + wordToCheck + ' = 1');
} catch (error) {
reservedWord = true;
}
}
return reservedWord;
}
...
How to use protractor to check if an element is visible?
I'm trying to test if an element is visible using protractor. Here's what the element looks like:
8 Answers
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Reduce left and right margins in matplotlib plot
... np
data = np.arange(3000).reshape((100,30))
plt.imshow(data)
plt.savefig('test.png', bbox_inches='tight')
Another way is to use fig.tight_layout()
import matplotlib.pyplot as plt
import numpy as np
xs = np.linspace(0, 1, 20); ys = np.sin(xs)
fig = plt.figure()
axes = fig.add_subplot(1,1,1)
axe...
Android: how to check if a View inside of ScrollView is visible?
...
Use View#getHitRect instead of View#getDrawingRect on the view you're testing. You can use View#getDrawingRect on the ScrollView instead of calculating explicitly.
Code from View#getDrawingRect:
public void getDrawingRect(Rect outRect) {
outRect.left = mScrollX;
outRect.top =...
What should I set JAVA_HOME environment variable on macOS X 10.6?
...for me is simply put in
$ export JAVA_HOME=$(/usr/libexec/java_home)
To test whether it works, put in
$ echo $JAVA_HOME
it shows
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
you can also test
$ which java
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How to remove .html from URL?
...a little something I made earlier...
I think that's correct.
NOTE: When testing your .htaccess do not use 301 redirects. Use 302 until finished testing, as the browser will cache 301s. See https://stackoverflow.com/a/9204355/3217306
Update: I was slightly mistaken, . matches all characters excep...
How to remove the left part of a string?
... front so it's only used if a "=" is in the string. Otherwise you can also test for the length of the result of split() and if it's ==2.
– MrTopf
Mar 1 '09 at 22:33
8
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How to wait 5 seconds with jQuery?
...d will be handled the same way as animations, if you stop those.
jsFiddle test ground with more usages (like showing off .stop()), can be found here.
the core of the solution is:
$('<queue/>')
.delay(100 /*ms*/)
.queue( (next) => { $('#result').text('done.'); next(); } );
<scrip...