大约有 47,000 项符合查询结果（耗时：0.0599秒） [XML]
How to get the last element of a slice?
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307
For just reading the last element of a slice:
sl[len(sl)-1]
For removing it:
sl = sl[:len(s...
What is the order of precedence for CSS?
... TylerH
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answered Aug 3 '14 at 14:49
Lorenz MeyerLorenz Meyer
16.7k20...
Looping over a list in Python
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200
Try this,
x in mylist is better and more readable than x in mylist[:] and your len(x) should b...
Switch case with fallthrough?
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heemayl
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answered Apr 6 '11 at 6:28
geekosaurgeekosaur
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How do I convert a PDF document to a preview image in PHP? [closed]
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10 Answers
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Active
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Get local href value from anchor (a) tag
... points:
document.getElementById("aaa").href; // http://example.com/sec/IF00.html
while the one below gets the value of the href attribute:
document.getElementById("aaa").getAttribute("href"); // sec/IF00.html
share
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Can I have an IF block in DOS batch file?
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The following sample code works fine for me:
@echo off
if ERRORLEVEL == 0 (
echo GP Manager is up
goto Continue7
)
echo GP Manager is down
:Continue7
Please note a few specific details about my sample code:
The space added between the end of the conditional statement, and the opening ...
Gradient borders
...webkit-border-image: -webkit-gradient(linear, left top, left bottom, from(#00abeb), to(#fff), color-stop(0.5, #fff), color-stop(0.5, #66cc00)) 21 30 30 21 repeat repeat;
Prooflink -- http://www.webkit.org/blog/1424/css3-gradients/
Browser support: http://caniuse.com/#search=border-image
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How to implement Rate It feature in Android App
... SharedPreferences prefs = mContext.getSharedPreferences("apprater", 0);
if (prefs.getBoolean("dontshowagain", false)) { return ; }
SharedPreferences.Editor editor = prefs.edit();
// Increment launch counter
long launch_count = prefs.getLong("launch_count", 0)...
How to get the anchor from the URL using jQuery?
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208
You can use the .indexOf() and .substring(), like this:
var url = "www.aaa.com/task1/1.3.html#...