大约有 47,000 项符合查询结果（耗时：0.0575秒） [XML]
How to articulate the difference between asynchronous and parallel programming?
...ender the animation takes a long time so if you were to launch that render from within your animation editing software you would make sure it was running asynchronously so it didn't lock up your UI and you could continue doing other things. Now, each frame of that animation can also be considered as...
Not receiving Google OAuth refresh token
I want to get the access token from Google. The Google API says that to get the access token, send the code and other parameters to token generating page, and the response will be a JSON Object like :
...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...tReferenceException e) {
System.out.println("Attempting to recover from StaleElementReferenceException ...");
return getStaleElemById(id);
}
}
Yes, it just keeps polling the element until it's no longer considered stale (fresh?). Doesn't really get to the root of the problem, b...
Type of conditional expression cannot be determined because there is no implicit conversion between
...has type X and y has type Y then
If an implicit conversion (§6.1) exists from X to Y, but not from Y to X, then Y is the type of the conditional expression.
If an implicit conversion (§6.1) exists from Y to X, but not from X to Y, then X is the type of the conditional expression.
Otherwise, no ...
How to prevent going back to the previous activity?
...BACK button is pressed on the phone, I want to prevent a specific activity from returning to its previous one.
13 Answers
...
What is NODE_ENV and how to use it in Express?
...y set NODE_ENV for your environment, it will be undefined if you access it from process.env, there is no default.
Setting NODE_ENV
How to actually set the environment variable varies from operating system to operating system, and also depends on your user setup.
If you want to set the environment va...
How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
...ng gemsets:
$ rvm upgrade 1.9.2-p0 1.9.2
Are you sure you wish to upgrade from ruby-1.9.2-p0 to ruby-1.9.2-p136? (Y/n): Y
To replace with the latest stable release of 1.9.2. This avoids clutter.
Some additional helpful tips, thanks to comments (@Mauro, @James, @ACB)
$ rvm list known
# NOTE: yo...
CURL to access a page that requires a login from a different page
...
My answer is a mod of some prior answers from @JoeMills and @user.
Get a cURL command to log into server:
Load login page for website and open Network pane of Developer Tools
In firefox, right click page, choose 'Inspect Element (Q)' and click on Network tab
Go...
Is recursion ever faster than looping?
...n some environments these functions are the first (or only) to get a boost from automatic parallelization — so they can be significantly faster than either iteration or recursion. Data Parallel Haskell is an example of such an environment.
List comprehensions are another alternative, but these ...
What is difference between functional and imperative programming languages?
...1 + number2 + number3;
Each statement changes the state of the program, from assigning values to each variable to the final addition of those values. Using a sequence of five statements the program is explicitly told how to add the numbers 5, 10 and 15 together.
Functional languages:
The functio...