大约有 10,000 项符合查询结果（耗时：0.0184秒） [XML]
How to immediately see compile errors in project tree of IntelliJ Idea?
I'm wondering if it is possible to configure IntelliJ Idea to immediately show compile errors on the class files in the project tree. Currently I need to manually trigger the recompilation to see error marks on my classes if the class cannot be compiled.
...
How do I access the request object or any other variable in a form's clean() method?
...
The answer by Ber - storing it in threadlocals - is a very bad idea. There's absolutely no reason to do it this way.
A much better way is to override the form's __init__ method to take an extra keyword argument, request. This stores the request in the form, where it's required, and from...
What is an alternative to execfile in Python 3?
...
Any idea why they would do such a thing? This is so much more verbose than before. Also, it doesn't work for me on Python3.3. I get "No such file or directory" when I exec(open('./some_file').read()). I have tried including the '...
Why does isNaN(“ ”) (string with spaces) equal false?
...Kooilnc the fact that NaN != NaN is, actually, a good choice for once. The idea is that NaN is almost always a result of a computation that went different than how the programmer intended, and to assume that the results of two computations that went "wrong" are equal is pretty dangerous, I'd say.
...
What does the ??!??! operator do in C?
...eys:
{ | } ~
The trigraphs were defined to fix a specific problem. The idea was that C programs could use the ASCII subset found on the ASR-33 and in other environments missing the high ASCII values.
Your example is actually two of ??!, each meaning |, so the result is ||.
However, people ...
Why does pycharm propose to change method to static
...e other hand, if the method is not yet implemented, it seems always a good idea to raise a NotImplementedError.
– jolvi
Oct 25 '16 at 22:51
3
...
Overriding a Rails default_scope
...
So true. Using default_scope might seem like a good idea, but will likely cause multiple headaches during the lifetime of your app.
– thomax
May 8 '14 at 7:46
...
How to use java.String.format in Scala?
... won't list every option, but I'll give a few examples just to give you an idea:
// we can specify the # of decimals we want to show for a floating point:
String result = String.format("10 / 3 = %.2f", 10.0 / 3.0);
// result now equals "10 / 3 = 3.33"
// we can add commas to long numbers:
result ...
Do I need elements in persistence.xml?
...red Nov 22 '09 at 23:41
Mads MobækMads Mobæk
29.5k2020 gold badges6464 silver badges7575 bronze badges
...
Evaluate expression given as a string
... Lumley R-help (February 2005) >
– Martin Mächler
Oct 20 '16 at 20:40
13
@MartinMächl...