大约有 12,000 项符合查询结果(耗时:0.0167秒) [XML]
MYSQL OR vs IN performance
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What indexes were used in these tests?
– eggyal
Jan 1 '13 at 13:26
5
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AngularJS: Basic example to use authentication in Single Page Application
...er.state('dashboard', {
url: '/dashboard',
templateUrl: 'dashboard/index.html',
data: {
authorizedRoles: [USER_ROLES.admin, USER_ROLES.editor]
}
});
})
b) On $rootScope.$on('$stateChangeStart') add the function to prevent state change if the user is not authorized.
$rootS...
The $.param( ) inverse function in JavaScript / jQuery
...if (k.substr(k.length-2) != '[]') // not end with []. cannot use negative index as IE doesn't understand it
hash[k] = v;
else
hash[k.substr(0, k.length-2)] = [v];
// If subsequent entry with this name and not array
} else if (typeof hash[k] === "string") {
hash[...
What's the best way to get the last element of an array without deleting it?
...Undefined offset: -1 in Command line code on line 1
N4 = Notice: Undefined index: in Command line code on line 1
Based on this output I draw the following conclusions:
newer versions of PHP perform better with the exception of these options that became significantly slower:
option .6. $x = en...
How to trim white spaces of array values in php
...rotime(true);
for ($i = 0; $i < 100000; $i++) {
foreach ($array as $index => $elem) {
$array[$index] = trim($elem);
}
}
$time = (microtime(true) - $start);
echo "Foreach: " . $time . " seconds\n";
// FOR
$start = microtime(true);
for ($i = 0; $i < 100000; $i++) {
for ($...
How to check for a valid Base64 encoded string
... // 98% of all non base64 values are invalidated by this time.
var index = value.Length - 1;
// if there is padding step back
if (value[index] == '=')
index--;
// if there are two padding chars step back a second time
if (value[index] == '=')
...
In JPA 2, using a CriteriaQuery, how to count results
...you may need to use aliases on the root, see forum.hibernate.org/viewtopic.php?p=2471522#p2471522 for an example.
– Pool
Apr 7 '14 at 7:58
1
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“Variable” variables in Javascript?
...
// BAD
var foo1 = 'foo';
var foo2 = 'bar';
var foo3 = 'baz';
var index = 1;
console.log(eval('foo' + index));
then you should be using an array instead and simply use the index to access the corresponding value:
// GOOD
var foos = ['foo', 'bar', 'baz'];
var index = 1;
conso...
How to calculate md5 hash of a file using javascript
... I've managed to get this working and the same md5 hash is generating (php: md5_file(...)) for text files but images are giving me different results? Is this something to do with the binary data or the way its uploaded?
– Castles
Apr 26 '11 at 15:16
...
Implode an array with JavaScript?
...ore the imploded array):
var tmp = "";
$.each(output_saved_json, function(index,value) {
tmp = tmp + output_saved_json[index] + ";";
});
output_saved_json = tmp.substring(0,tmp.length - 1); // remove last ";" added
I have used substring to remove last ";" added at the final without necessity...
