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How to check “hasRole” in Java Code with Spring Security?
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easier to test I think
– fego
Feb 14 '14 at 11:16
1
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Get index of selected option with jQuery
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The first methods seem to work in the browsers that I tested, but the option tags doesn't really correspond to actual elements in all browsers, so the result may vary.
Just use the selectedIndex property of the DOM element:
alert($("#dropDownMenuKategorie")[0].selectedIndex);
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How do I generate random numbers in Dart?
... = 0; i < 10; i++) {
print(rng.nextInt(100));
}
}
This code was tested with the Dart VM and dart2js, as of the time of this writing.
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
I was looking for the fastest way to popcount large arrays of data. I encountered a very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC.
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MongoDb query condition on comparing 2 fields
... constant and filter. This way you avoid javascript execution. Below is my test in python:
import pymongo
from random import randrange
docs = [{'Grade1': randrange(10), 'Grade2': randrange(10)} for __ in range(100000)]
coll = pymongo.MongoClient().test_db.grades
coll.insert_many(docs)
Using agg...
jQuery post() with serialize and extra data
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$.ajax({
type: 'POST',
url: 'test.php',
data:$("#Test-form").serialize(),
dataType:'json',
beforeSend:function(xhr, settings){
settings.data += '&moreinfo=MoreData';
},
success:function(data){
// json respo...
SQL Server: SELECT only the rows with MAX(DATE)
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select OrderNo,PartCode,Quantity
from dbo.Test t1
WHERE EXISTS(SELECT 1
FROM dbo.Test t2
WHERE t2.OrderNo = t1.OrderNo
AND t2.PartCode = t1.PartCode
GROUP BY t2.OrderNo,
t2.PartCode
HAVING t1.DateEntere...
How to access class constants in Twig?
...PERSON') %}
See documentation for the constant function and the constant test.
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Are there benefits of passing by pointer over passing by reference in C++?
... Don't we have this passing reference in C? I am using codeblock (mingw) latest version and in that selecting a C project. Still passing by reference (func (int& a)) works. Or is it available in C99 or C11 onwards?
– Jon Wheelock
Oct 12 '15 at 1:18
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PHP cURL HTTP CODE return 0
...ost no found), so with the last one, there is nobody to send a code back.
Tested using the code below.
<?php
$html_brand = "www.google.com";
$ch = curl_init();
$options = array(
CURLOPT_URL => $html_brand,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HEADER =&g...