大约有 45,000 项符合查询结果(耗时:0.0488秒) [XML]
Regex not operator
...ver:
\((?!2001)[0-9a-zA-z _\.\-:]*\)
The (?!...) part means "only match if the text following (hence: lookahead) this doesn't (hence: negative) match this. But it doesn't actually consume the characters it matches (hence: zero-width).
There are actually 4 combinations of lookarounds with 2 axes:...
Twitter image encoding challenge [closed]
...which I'm currently doing manually in Inkscape).
Version 2
UPDATE: v2 is now qualified to compete. Changes:
Command-line control input/output and debugging
Uses XML parser (lxml) to handle SVG instead of regex
Packs 2 path segments per unicode symbol
Documentation and cleanup
Support style="fill...
Can't find Request.GetOwinContext
...nitions you have should be fine.
EDIT
Okay, to clear up some confusion: If you are using an ApiController (i.e MyController : ApiController) you will require the Microsoft.AspNet.WebApi.Owin package.
If you are using a regular Mvc controller (i.e. MyController : Controller) you will need the Mi...
Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations
...Code First Migrations. I am using Areas in the app and would like to have different DbContexts in each area to break it up. I know EF 6 has ContextKey, but I can't find complete information on how to use it. Currently I can only use migrations one context at a time.
...
Reliable method to get machine's MAC address in C#
...t of "ipconfig /all" but this is terribly unreliable as the output format differs on every machine.
17 Answers
...
How to loop backwards in python? [duplicate]
...
range() and xrange() take a third parameter that specifies a step. So you can do the following.
range(10, 0, -1)
Which gives
[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
But for iteration, you should really be using xrange instead. So,
xrange(10, 0, -1)
Note for Python 3 users:...
Creating a constant Dictionary in C#
... case "elephant": return 3;
}
This is exactly what you want. And yes, I know, it's ugly.
share
|
improve this answer
|
follow
|
...
A transport-level error has occurred when receiving results from the server [closed]
...connection string and try to execute it's not able to reach the database. If you are developing Visual Studio, simply close the temporary web server on your task bar.
If it happens in production, resetting your application pool for your web site should recycle the connection pool.
...
Waiting until two async blocks are executed before starting another block
...rrently? I mean, assume that block1 and block2 are associated with a group now, will block2 wait until block1 is done before it can start executing?
– tom
Aug 10 '12 at 22:25
9
...
Changing the cursor in WPF sometimes works, sometimes doesn't
...o be a "wait" cursor only when it's over that particular page/usercontrol? If not, I'd suggest using Mouse.OverrideCursor:
Mouse.OverrideCursor = Cursors.Wait;
try
{
// do stuff
}
finally
{
Mouse.OverrideCursor = null;
}
This overrides the cursor for your application rather than just for ...
