大约有 31,000 项符合查询结果(耗时:0.0414秒) [XML]
When to dispose CancellationTokenSource?
...ssary to call Dispose on CancellationTokenSource... I had a memory leak in my project and it turned out that CancellationTokenSource was the problem.
My project has a service, that is constantly reading database and fires off different tasks, and I was passing linked cancellation tokens to my worke...
Creating a “logical exclusive or” operator in Java
...
This escaped my memory too when I wrote my post, but I think you CAN use ^ as a logical operator (as well as bitwise).
– Neil Coffey
Apr 7 '09 at 17:06
...
Visual Studio jump to next error shortcut?
...
F8 (and Shift+F8 to go backwards).
Or at least that's what it is in my keyboard profile - you can go to tools\options\environment\keyboard and check out Edit.GoToNextLocation.
Note If you configured Visual Studio using VB keyboard settings, no key has been assigned to this function. You need...
How do I loop through a list by twos? [duplicate]
...
You can also use this syntax (L[start:stop:step]):
mylist = [1,2,3,4,5,6,7,8,9,10]
for i in mylist[::2]:
print i,
# prints 1 3 5 7 9
for i in mylist[1::2]:
print i,
# prints 2 4 6 8 10
Where the first digit is the starting index (defaults to beginning of list or 0)...
How do I migrate a model out of one django app and into a new one?
...w to migrate using south.
Lets say we got two apps: common and specific:
myproject/
|-- common
| |-- migrations
| | |-- 0001_initial.py
| | `-- 0002_create_cat.py
| `-- models.py
`-- specific
|-- migrations
| |-- 0001_initial.py
| `-- 0002_create_dog.py
`-- models.p...
Android: Generate random color on click?
...ch I am programmaticly creating drawables and presenting them to the user. My goal is to click on said ImageView and change the drawable's color.
...
How to get HTTP response code for a URL in Java?
...
In my specific case and with your method, I get an IOException ("Failed to authenticate with proxy") which is usually an http error 407. Is there a way where I can get a precision (the http error code) about the exception raised...
Android on-screen keyboard auto popping up
One of my apps has an "opening screen" (basically a menu) that has an EditText followed by several Button s. The problem is that several of my users are reporting that when they open the app it's automatically popping up the on-screen keyboard without them even touching the EditText . As far as ...
Sass Variable in CSS calc() function
... calc() function in a Sass stylesheet, but I'm having some issues. Here's my code:
7 Answers
...
Check if two linked lists merge. If so, where?
... we need the length. It can be calculated inline. Adding explanations to my answers.
– P Shved
Oct 20 '09 at 14:28
2
...