大约有 10,900 项符合查询结果（耗时：0.0442秒） [XML]
Using do block vs braces {}
...
Ah, got it. So because of the precedence order, when you use do, you're passing the block as an additional parameter, but when you use the brackets you're passing the block as the first parameter of the results of the method invocation(s) to ...
What's the difference between Sender, From and Return-Path?
...he same as the From header, which is who the message is from. However, it can differ in some cases where a mail agent is sending messages on behalf of someone else.
The Return-Path header is used to indicate to the recipient (or receiving MTA) where non-delivery receipts are to be sent.
For exa...
ctypes - Beginner
...d see the output
Hello world
$
If you already have a library in mind, you can skip the non-python part of the tutorial. Make sure ctypes can find the library by putting it in /usr/lib or another standard directory. If you do this, you don't need to specify the full path when writing the wrapper. If...
What, why or when it is better to choose cshtml vs aspx?
... of allowing the two to co-exist on the same server allowing both MVC applications and WebForms applications to live under a common root.
This allows http://www.mydomain.com/MyMVCApplication to be valid and served with MVC rules along with http://www.mydomain.com/MyWebFormsApplication to be valid ...
NSObject +load and +initialize - What do they do?
...rride +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
...saction and abort the batch when a run-time error occurs. It covers you in cases like a command timeout occurring on the client application rather than within SQL Server itself (which isn't covered by the default XACT_ABORT OFF setting.)
Since a query timeout will leave the transaction open, SET XA...
In git, is there a way to show untracked stashed files without applying the stash?
If I run git stash -u , I can stash untracked files. However, said untracked files don't show up at all with git stash show stash@{0} . Is there any way to show untracked stashed files without applying the stash?
...
What's the difference between IEquatable and just overriding Object.Equals()?
...it as much but the IEquatable<T> implementation does let you avoid a cast from System.Object which can make a difference if it's called frequently.
As noted on Jared Parson's blog though, you still must implement the Object overrides.
...
how to set “camera position” for 3d plots using python/matplotlib?
... little animation of a rotating surface. For that purpose, I need to set a camera position for the 3D projection. I guess this must be possible since a surface can be rotated using the mouse when using matplotlib interactively. But how can I do this from a script?
I found a lot of transforms in mpl_...
How to start two threads at “exactly” the same time
...t the threads at exactly the same time (at least as good as possible), you can use a CyclicBarrier:
// We want to start just 2 threads at the same time, but let's control that
// timing from the main thread. That's why we have 3 "parties" instead of 2.
final CyclicBarrier gate = new CyclicBarrier(...