大约有 40,000 项符合查询结果(耗时:0.0452秒) [XML]

https://stackoverflow.com/ques... 

Timeout function if it takes too long to finish [duplicate]

...nal class TimeoutError(Exception): pass def timeout(seconds=10, error_message=os.strerror(errno.ETIME)): def decorator(func): def _handle_timeout(signum, frame): raise TimeoutError(error_message) def wrapper(*args, **kwargs): signal.signal(signal.SI...
https://stackoverflow.com/ques... 

return query based on date

... You probably want to make a range query, for example, all items created after a given date: db.gpsdatas.find({"createdAt" : { $gte : new ISODate("2012-01-12T20:15:31Z") }}); I'm using $gte (greater than or equals), because this is often used for date-only queries, where the t...
https://stackoverflow.com/ques... 

What is the difference between Ruby 1.8 and Ruby 1.9

... Sam's slides. The slideshow is less overwhelming to review, but having it all laid out in a list like this is also helpful. Ruby 1.9 - Major Features Performance Threads/Fibers Encoding/Unicode gems is (mostly) built-in now if statements do not introduce scope in Ruby. What's changed? Single ...
https://stackoverflow.com/ques... 

How to take screenshot of a div with JavaScript?

I am building something called the "HTML Quiz". It's completely ran on JavaScript and it's pretty cool. 10 Answers ...
https://stackoverflow.com/ques... 

Android ClickableSpan not calling onClick

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
https://stackoverflow.com/ques... 

WebKit issues with event.layerX and event.layerY

... I have disabled all my extensions and I still get these warnings with 1.7.2 – basZero May 7 '12 at 7:40 ...
https://stackoverflow.com/ques... 

When to use volatile with multi threading?

.... However two threads both accessing a shared variable is something which calls for protection via a mutex isn't it? But in that case, between the thread locking and releasing the mutex the code is in a critical section where only that one thread can access the variable, in which case the variable ...
https://stackoverflow.com/ques... 

Can Selenium interact with an existing browser session?

... This is a pretty old feature request: Allow webdriver to attach to a running browser . So it's officially not supported. However, there is some working code which claims to support this: https://web.archive.org/web/20171214043703/http://tarunlalwani.com/post/reu...
https://stackoverflow.com/ques... 

Add timestamps to an existing table

..._table block. You can add these columns by specifying the column types manually: class AddTimestampsToUser < ActiveRecord::Migration def change_table add_column :users, :created_at, :datetime, null: false add_column :users, :updated_at, :datetime, null: false end end While this do...
https://stackoverflow.com/ques... 

Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?

...or redraw) the WHOLE canvas for a new layout (= try at the game) ? Just call Canvas.drawColor(Color.BLACK), or whatever color you want to clear your Canvas with. And: how can I update just a part of the screen ? There is no such method that just update a "part of the screen" since Android OS...