大约有 15,480 项符合查询结果(耗时:0.0417秒) [XML]

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How can I tell if a DOM element is visible in the current viewport?

...most never precise. You can read more about its bugs. This solution was tested on Internet Explorer 7 (and later), iOS 5 (and later) Safari, Android 2.0 (Eclair) and later, BlackBerry, Opera Mobile, and Internet Explorer Mobile 9. function isElementInViewport (el) { // Special bonus f...
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PHP json_encode encoding numbers as strings

... I've done a very quick test : $a = array( 'id' => 152, 'another' => 'test', 'ananother' => 456, ); $json = json_encode($a); echo $json; This seems to be like what you describe, if I'm not mistaken ? And I'm getting as outpu...
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How to remove all characters after a specific character in python?

...s 1.13 for .split (comment formatting doesn't really let me show the exact tests, but I'm using @Ayman's text and separator) -- so, +1 for @Ayman's answer! – Alex Martelli May 24 '09 at 22:15 ...
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What's the difference between utf8_general_ci and utf8_unicode_ci?

...ks myself. I created a very simple table with 500,000 rows: CREATE TABLE test( ID INT(11) DEFAULT NULL, Description VARCHAR(20) DEFAULT NULL ) ENGINE = INNODB CHARACTER SET utf8 COLLATE utf8_general_ci; Then I filled it with random data by running this stored procedure: CREATE PROCEDURE ran...
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Container View Controller Examples [closed]

... autorelease]; // create test1 and test2 instance (subclass UIViewController and // also need to define their own nibs) vc1 = [[test1 alloc]initWithNibName:@"test1" bundle:nil]; vc2 = [[test2 alloc]initWithNibName:@"test2" bundle:nil]; ...
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using jquery $.ajax to call a PHP function

...ant is something like: $.ajax({ url: '/my/site', data: {action: 'test'}, type: 'post', success: function(output) { alert(output); } }); On the server side, the action POST parameter should be read and the corresponding value shoul...
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Get value of a string after last slash in JavaScript

...st three ways: A regular expression: var result = /[^/]*$/.exec("foo/bar/test.html")[0]; ...which says "grab the series of characters not containing a slash" ([^/]*) at the end of the string ($). Then it grabs the matched characters from the returned match object by indexing into it ([0]); in a ...
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How do I negate a test with regular expressions in a bash script?

...ersion 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in: ...
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An “and” operator for an “if” statement in Bash

...al is true if the job's return value is 0 or false otherwise). For trivial tests, there is the test program (man test). As some find lines like if test -f filename; then foo bar; fi, etc. annoying, on most systems you find a program called [ which is in fact only a symlink to the test program. When ...
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Should try…catch go inside or outside a loop?

...ich way the performance would be affected, I guess were back to try-it-and-test (as always). – Jeffrey L Whitledge Sep 27 '08 at 18:35 1 ...