大约有 35,487 项符合查询结果（耗时：0.0423秒） [XML]
Linq to Entities - SQL “IN” clause
...re" with "FindAll" and get the same result, which will also work in .NET 2.0:
foreach(User u in users.FindAll(u => new [] { "Admin", "User", "Limited" }.Contains(u.User_Rights)))
{
//Do stuff on each selected user;
}
...
How to check for an undefined or null variable in JavaScript?
...n converted to a boolean, evaluates to false. So, if you don't care about
0 and false, using if(obj.undefProp) is ok. There's a common idiom based on this fact:
value = obj.prop || defaultValue
which means "if obj has the property prop, assign it to value, otherwise assign the default value defa...
How to scroll to specific item using jQuery?
... |
edited Oct 6 '17 at 2:04
maxhud
8,8771313 gold badges5050 silver badges9898 bronze badges
answered M...
Highlight a word with jQuery
...light = function(pat) {
function innerHighlight(node, pat) {
var skip = 0;
if (node.nodeType == 3) {
var pos = node.data.toUpperCase().indexOf(pat);
if (pos >= 0) {
var spannode = document.createElement('span');
spannode.className = 'highlight';
var middlebit = node.splitTe...
What's the difference between SortedList and SortedDictionary?
... |
edited Feb 23 '13 at 8:08
answered Jun 1 '09 at 16:38
Jo...
How can I set the focus (and display the keyboard) on my EditText programmatically
...
edited Oct 31 '15 at 19:30
Rafael Ruiz Muñoz
4,47766 gold badges4040 silver badges7575 bronze badges
a...
Test if lists share any items in python
...meit
>>> timeit('bool(set(a) & set(b))', setup="a=list(range(1000));b=list(range(1000))", number=100000)
26.077727576019242
>>> timeit('any(i in a for i in b)', setup="a=list(range(1000));b=list(range(1000))", number=100000)
0.16220548999262974
Here's a graph of the execution...
How do I disable a Pylint warning?
I'm trying to disable warning C0321 ("more than one statement on a single line" -- I often put if statements with short single-line results on the same line), in Pylint 0.21.1 (if it matters: astng 0.20.1, common 0.50.3, Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56)).
...
MYSQL OR vs IN performance
...ir "opinion", science is all about testing and evidence.
I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache):
IN: 2.34969592094s
OR: 5.83781504631s
Update:
(I don't have the source code for the original test, as it was 6 years ago, though it returns a result in th...
Is it possible to change a UIButtons background color?
...
160
This can be done programmatically by making a replica:
loginButton = [UIButton buttonWithType:U...