大约有 31,000 项符合查询结果(耗时:0.0676秒) [XML]
Is there a way to detect if a browser window is not currently active?
...
@JulienKronegg: that's why my answer specifically mentions the Page Visibility API which entered working draft status after I originally wrote my answer. The focus/blur methods provide limited functionality for older browsers. Binding to other events, ...
How to COUNT rows within EntityFramework without loading contents?
...
Query syntax:
var count = (from o in context.MyContainer
where o.ID == '1'
from t in o.MyTable
select t).Count();
Method syntax:
var count = context.MyContainer
.Where(o => o.ID == '1')
.SelectMany(o =...
How to remove “Server name” items from history of SQL Server Management Studio
... It's a pity, that I can't delete exactly group of server, not all my user settings.
– Johnny_D
Nov 4 '13 at 20:39
2
...
Get push notification while App in foreground iOS
I am using push notification service in my app. When app is in background I am able to see notification on notification screen(screen shown when we swipe down from top of iOS device). But if application is in foreground the delegate method
...
Default value of a type at Runtime [duplicate]
...
There's really only two possibilities: null for reference types and new myType() for value types (which corresponds to 0 for int, float, etc) So you really only need to account for two cases:
object GetDefaultValue(Type t)
{
if (t.IsValueType)
return Activator.CreateInstance(t);
...
What's the difference between “STL” and “C++ Standard Library”?
Someone brought this article to my attention that claims (I'm paraphrasing) the STL term is misused to refer to the entire C++ Standard Library instead of the parts that were taken from SGI STL.
...
CSS z-index paradox flower
...
Here's my attempt: http://jsfiddle.net/Kx2k5/1/
(successfully tested on Fx27, Ch33, IE9, Sf5.1.10 and Op19)
CSS
.item {
/* include borders on width and height */
-webkit-box-sizing : border-box;
-moz-box-sizing : b...
How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
...
@suhail: read my comment above about mktime/timetuple. Also timetuple() strips fractions of a second and the point of the question is to get the timestamp with millisecond precision.
– jfs
Dec 29 '14 ...
How do I make a batch file terminate upon encountering an error?
...or goto" type of construct in cmd.exe/command.com batch. I've also updated my code per CodeMonkey, although I've never encountered a negative errorlevel in any of my batch-hacking on XP or Vista.
share
|
...
How do I make jQuery wait for an Ajax call to finish before it returns?
....ajax() function to return immediately, set the async option to false:
$(".my_link").click(
function(){
$.ajax({
url: $(this).attr('href'),
type: 'GET',
async: false,
cache: false,
timeout: 30000,
fail: function(){
return true;
...