大约有 47,000 项符合查询结果（耗时：0.0619秒） [XML]
What is the python keyword “with” used for? [duplicate]
...ceptions are thrown. It provides 'syntactic sugar' for try/finally blocks.
From Python Docs:
The with statement clarifies code that previously would use try...finally blocks to ensure that clean-up code is executed. In this section, I’ll discuss the statement as it will commonly be used. In the n...
document.getElementById vs jQuery $()
...ject and is equivalent to $('#id').
You can get the underlying DOM object from a jQuery object by writing $('#id')[0].
share
|
improve this answer
|
follow
...
Does C# have extension properties?
...use even if there is already an implementation, they want to make it right from the start.
But it will ...
There is an extension members item in the C# 7 work list so it may be supported in the near future. The current status of extension property can be found on Github under the related item.
Ho...
GIT clone repo across local file system in windows
...ver the last few days. I setup a repo on my laptop, pulled down the Trunk from an SVN project (had some issues with branches, not got them working), but all seems ok there.
...
Java executors: how to be notified, without blocking, when a task completes?
... @Zelphir It was a Callback interface that you declare; not from a library. Nowadays I'd probably just use Runnable, Consumer, or BiConsumer, depending on what I need to pass back from the task to the listener.
– erickson
Jan 29 '16 at 15:52
...
Skip download if files exist in wget?
...
-nc is independent from -c right?
– alper
Aug 30 at 17:43
add a comment
|
...
MemoryCache does not obey memory limits in configuration
...is point, and I have no idea how to start finding out what it does there. From what I've observed though it does a horrible job of trying to approximate the size of the overall thing.
The third noticeable thing there is the call to manager.UpdateCacheSize which sounds like it should do something...
Gradients on UIView and UILabels On iPhone [duplicate]
...te desired look is no good as the text may vary depending on data returned from a server.
7 Answers
...
Very large matrices using Python and NumPy
NumPy is an extremely useful library, and from using it I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memo...
What is the MySQL VARCHAR max size?
...tes toward the row size limit because their contents are stored separately from the rest of the row. Read more about Limits on Table Column Count and Row Size.
Maximum size a single column can occupy, is different before and after MySQL 5.0.3
Values in VARCHAR columns are variable-length strin...