大约有 15,480 项符合查询结果(耗时:0.0417秒) [XML]
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...
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...
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
...
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...
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];
...
using jquery $.ajax to call a PHP function
...ant is something like:
$.ajax({ url: '/my/site',
data: {action: 'test'},
type: 'post',
success: function(output) {
alert(output);
}
});
On the server side, the action POST parameter should be read and the corresponding value shoul...
Get value of a string after last slash in JavaScript
...st three ways:
A regular expression:
var result = /[^/]*$/.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 ...
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:
...
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 ...
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
...