大约有 40,000 项符合查询结果（耗时：0.0360秒） [XML]
Rails raw SQL example
...ion of not using a model in the OP. Just how to execute raw sql. PaymentDetail.execute(sql) works.
– baash05
Dec 5 '14 at 1:31
23
...
How to add url parameters to Django template url tag?
...iew, and you want to have a get parameter as a template tag:
class MyView(DetailView):
model = MyModel
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
ctx['tag_name'] = self.request.GET.get('get_parameter_name', None)
return ctx
Then...
Calculate a Running Total in SQL Server
... be safe. But you are relying on an undocumented SQL Server implementation detail (also if the query ends up being performed by two procs I wonder what will happen, see: MAXDOP):
Full working sample:
drop table #t
create table #t ( ord int primary key, total int, running_total int)
insert #t(o...
Using Phonegap for Native Application development [closed]
...uch/
Optimizing DOM Memory Usage in Sencha Touch: Sliding from a List to a Details panel and killing the list, and then sliding from Details to a List and killing the details panel. Minimizing elements on your screen, your DOM. http://www.sencha.com/blog/sencha-touch-optimizing-memory-usage/
DESTROY...
What Every Programmer Should Know About Memory?
...eally need that knowledge, better spend the time reading the manuals about details about the actual timings, etc. But for people interested in the HW low level stuff? Maybe not useful, but at least entertaining.
– Voo
Nov 14 '11 at 18:52
...
What does the “assert” keyword do? [duplicate]
...
Use this version of the assert statement to provide a detail message for the AssertionError. The system passes the value of Expression2 to the appropriate AssertionError constructor, which uses the string representation of the value as the error's detail message.
The purpose of ...
How to iterate over array of objects in Handlebars?
...big_data = [
{
name: "users1",
details: [
{username: "alan1", firstName: "Alan", lastName: "Johnson", email: "alan@test.com" },
{username: "allison1", firstName: "Allison", lastName: "House", email: "allison@test.com...
Search stops working for “Entire Solution”
...he "wrong" way, you will have this problem with search being interrupted.
Details
According to scan code specifications, Break and Ctrl+Break are special. They send "make" (press) AND "break" (release) scan codes the moment you press Break. They send nothing when you release Break. The buggy keybo...
'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
...tabase Engine 2010 Redistributable from here: microsoft.com/en-in/download/details.aspx?id=13255 I'm sure that's because I'm using MS Office 2013. Thanks for pointing me in the right direction though.
– Sizons
Oct 14 '15 at 12:21
...
Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
...have a UITableView. I have a segue setup that pushes from my table to the detail VC. But which method should I use to handle this? I'll have to pass a couple objects to the detail view. But do I use didSelectRowAtIndex or -(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender ?
...