大约有 46,000 项符合查询结果（耗时：0.0580秒） [XML]
How to delete an object by id with entity framework
...
The same as @Nix with a small change to be strongly typed:
If you don't want to query for it just create an entity, and then delete it.
Customer customer = new Customer () { Id = id };
context.Customers.Attach(custome...
Group by multiple columns in dplyr, using string vector input
...
Does the call to one_of() do anything here? I think it is redundant in this context, as the expression is wrapped in a call to vars().
– knowah
Aug 15 '19 at 14:13
...
Is it possible to clone html element objects in JavaScript / JQuery?
...
Too bad you lose all attributes :/
– Pieter De Bie
Sep 23 '19 at 12:49
add a comment
|
...
Algorithm for creating a school timetable
...ere are known solutions for algorithm of creating a school timetable. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teachers associated with each ot...
What is the { get; set; } syntax in C#?
I am learning ASP.NET MVC and I can read English documents, but I don't really understand what is happening in this code:
1...
ng-app vs. data-ng-app, what is the difference?
...
It seems like such a waste of CPU cycles to manually strip off data- and x-. Why can't the HTML validation rules be changed to accept ng- stuff?
– DaveAlger
May 13 '15 at 14:43
...
Can't get Gulp to run: cannot find module 'gulp-util'
On Windows 7, I've installed gulp as explained here: http://markgoodyear.com/2014/01/getting-started-with-gulp/ :
10 Answe...
File Upload without Form
... using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'.
...
How to make PDF file downloadable in HTML link?
...
header("Content-Length: " . filesize($file));
flush(); // this doesn't really matter.
$fp = fopen($file, "r");
while (!feof($fp))
{
echo fread($fp, 65536);
flush(); // this is essential for large downloads
}
fclose($fp);
PS: and obviously run some sanity checks on the "file" variable t...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
...it works. I figured the packets were some attempt at a hand-shake. So basically, I solved it using Google, patience and futzing around with the board!
– hoipolloi
Jan 12 '14 at 18:16
...