大约有 45,000 项符合查询结果（耗时：0.0488秒） [XML]
How do I clear the content of a div using JavaScript? [closed]
... this feels cleaner than innerHTML = ''. I would personally write the extra couple of lines
– dmo
Nov 4 '16 at 14:40
1
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A simple jQuery form validation script [closed]
...on older browsers, and for validation logic HTML5 doesn't support (without extra Javascript). But this is as much my personal preference as anything.
– Matt Browne
Feb 25 '13 at 17:15
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Is there a difference between using a dict literal and a dict constructor?
...o be extra nice. Just as it always seems to offer to convert single-quoted strings into double-quoted -- for no apparent reason.
– maligree
Jul 7 '11 at 12:53
1
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How to round a number to significant figures in Python
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%g in string formatting will format a float rounded to some number of significant figures. It will sometimes use 'e' scientific notation, so convert the rounded string back to a float then through %s string formatting.
>>&g...
Can virtual functions have default parameters?
...ctly the same in almost every way except default visibility.
#include <string>
#include <sstream>
#include <iostream>
#include <iomanip>
using std::stringstream;
using std::string;
using std::cout;
using std::endl;
struct Base { virtual string Speak(int n = 42); };
struct ...
What's Up with Logging in Java? [closed]
...event is serialized using the unchanged message pattern + the arguments as Strings. I guess it just depends how you define "effectively" though. It would certainly emit the same message (at least if entry and object are the same ;)) so please forgive my nitpicking.
– Huxi
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Print the contents of a DIV
...e Chrome). The printable area of page changes every time and contains some extra parts out of el. I think the print command is sent when the body is being restored.
– Ali Sheikhpour
Jan 1 '19 at 10:29
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Reference alias (calculated in SELECT) in WHERE clause
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I needed some extra conditionals in a MERGE statement, and this was the only way I could make it work. Thanks!
– Eric Burdo
Jul 11 '19 at 17:44
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How to get a variable name as a string in PHP?
...and using a variable variable name?
$var_name = "FooBar";
$$var_name = "a string";
then you could just
print($var_name);
to get
FooBar
Here's the link to the PHP manual on Variable variables
share
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Reading ePub format
...is packaged up (OEBPS: a zip file of everything in the manifest plus a few extra files)
The specs look a bit daunting but actually once you've got the basics (unzipping, parsing XML) down it's not particularly difficult or complex.
You'll need to work out how to download the EPUB, to unzip it som...