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How to handle Objective-C protocols that contain properties?
...about optional properties, but one thing i forgot to mention like mralex said is that you need to tie it to a member variable, either by naming that variable title, or saying @synthesize title = myinstancevar;
– Kevlar
May 10 '09 at 7:36
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Linq to Sql: Multiple left outer joins
...r in dc.Orders
from vendor
in dc.Vendors
.Where(v => v.Id == order.VendorId)
.DefaultIfEmpty()
from status
in dc.Status
.Where(s => s.Id == order.StatusId)
.DefaultIfEmpty()
select new { Order = order, Vendor = vendor, Status = status }
...
Regex: match everything but specific pattern
...ecific pattern (specifically index.php and what follows, like index.php?id=2342343 )
7 Answers
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In SQL, what's the difference between count(column) and count(*)?
...s not
[edit] added this code so that people can run it
create table #bla(id int,id2 int)
insert #bla values(null,null)
insert #bla values(1,null)
insert #bla values(null,1)
insert #bla values(1,null)
insert #bla values(null,1)
insert #bla values(1,null)
insert #bla values(null,null)
select count(...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
CGRidCtrl控件 学习心得GridControl控件是一款非常优秀的网格控件，在VC平台上的用途非常广泛也非常灵活。可以将其看做上是在CListCtrl基础上的定制和延伸。目 录
1 引言... 1
1.1 目的... 1
1.2 参考资料... 1
2 Grid...
Add & delete view from Layout
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@schwiz how can we reset the view id's in this case.My problem is even after my activity finishes whenever the next view gets added the view id gets incremented.I want the view id to default to 1 when i get back to this activity again.
–...
Is it possible to use a div as content for Twitter's Popover
... attribute. I was wondering if there was anyway to put a <div> inside the popover. Potentially, I would like to use php and mysql in there, but if i could get a div to work i think i can figure out the rest. I tried setting data-content to a div ID, but it didnt work.
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How to check if a function exists on a SQL database
...IF EXISTS (SELECT *
FROM sys.objects
WHERE object_id = OBJECT_ID(N'[dbo].[foo]')
AND type IN ( N'FN', N'IF', N'TF', N'FS', N'FT' ))
DROP FUNCTION [dbo].[foo]
GO
This approach to deploying changes means that you need to recreate all permissions on the ...
Spring MVC: How to return image in @ResponseBody?
...lowing could be a method to return a user's profile picture from MongoDB GridFS:
@RequestMapping(value = "user/avatar/{userId}", method = RequestMethod.GET)
@ResponseBody
public ResponseEntity<InputStreamResource> downloadUserAvatarImage(@PathVariable Long userId) {
GridFSDBFile gridFsFil...
MySQL Query to select data from last week?
...
SELECT id FROM tbl
WHERE date >= curdate() - INTERVAL DAYOFWEEK(curdate())+6 DAY
AND date < curdate() - INTERVAL DAYOFWEEK(curdate())-1 DAY
share
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