大约有 38,000 项符合查询结果（耗时：0.0415秒） [XML]
Why should a function have only one exit-point? [closed]
...follow.
A third is that you can exit anywhere you please. This used to be more confusing in the old days, but now that we have syntax-colouring editors and compilers that detect unreachable code, it's a lot easier to deal with.
I'm squarely in the middle camp. Enforcing a single exit point is a po...
Copy a stream to avoid “stream has already been operated upon or closed”
...stream in two different ways. The implication that the stream is generated more than once (unless you collect it) seems clear - because otherwise you wouldn't need a collect method.
– Niall Connaughton
Jun 20 '17 at 0:29
...
Deleting all records in a database table
...n_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for more information.
The records are deleted without loading them first which makes it very fast but will break functionality like counter cache that depends on rails code to be executed upon deletion.
...
How to use the 'og' (Open Graph) meta tag for Facebook share
...t;
Fill the content =" ... " according to the content of your page.
For more information, visit 18 Meta Tags Every Webpage Should Have in 2013.
share
|
improve this answer
|
...
How to safely call an async method in C# without await
...ically use try/catch (or using) but I find the ContinueWith to be a little more explicit because you have to know what ConfigureAwait(false) means.
share
|
improve this answer
|
...
Is JavaScript an untyped language?
...
|
show 6 more comments
82
...
Which is better in python, del or delattr?
...
The first is more efficient than the second. del foo.bar compiles to two bytecode instructions:
2 0 LOAD_FAST 0 (foo)
3 DELETE_ATTR 0 (bar)
whereas delattr(foo, "bar") takes five:
...
Call a “local” function within module.exports from another function in module.exports?
...level of indirection, and while it can be desirable sometimes, it makes it more complicated, to refactor, e.g. rename the function, of find usage of the function, etc.
– Pierre Henry
Sep 21 '15 at 14:48
...
How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
...o core data with some obvious modifications. This provides an overall much more robust and reliable sync strategy, but requires more effort to be implemented correctly.
EDIT:
It seems that the Grover's pdf file is no longer available (broken link, March 2015). UPDATE: the link is available through...