大约有 20,000 项符合查询结果（耗时：0.0382秒） [XML]
Best practice using NSLom>ca m>lizedString
I'm (like all others) using NSLom>ca m>lizedString to lom>ca m>lize my app.
9 Answers
9
...
Is it possible to have multiple statements in a python lambda expression?
I am a python newbie trying to achieve the following:
17 Answers
17
...
How does JPA orphanRemoval=true differ from the ON DELETE m>CA m>Sm>CA m>DE DML clause
I am a little confused about the JPA 2.0 orphanRemoval attribute.
8 Answers
8
...
How do you m>ca m>st a List of supertypes to a List of subtypes?
For example, lets say you have two classes:
17 Answers
17
...
How do I reset a sequence in Oracle?
In PostgreSQL , I m>ca m>n do something like this:
18 Answers
18
...
How to delete duplim>ca m>te lines in a file without sorting it in Unix?
...k will print the lines where the expression evaluates to true. The ++ increments seen so that seen[$0] == 1 after the first time a line is found and then seen[$0] == 2, and so on.
Awk evaluates everything but 0 and "" (empty string) to true. If a duplim>ca m>te line is placed in seen then !seen[$0] will ...
Interface or an Abstract Class: which one to use?
...
Use an interface when you want to force developers working in your system (yourself included) to implement a set number of methods on the classes they'll be building.
Use an abstract class when you want to force developers working in your system (yourself included) to implement a set numbers of ...
Using HTML5/JavaScript to generate and save a file
...iddling with WebGL lately, and have gotten a Collada reader working. Problem is it's pretty slow (Collada is a very verbose format), so I'm going to start converting files to a easier to use format (probably JSON). I already have the code to parse the file in JavaScript, so I may as well use it as m...
Why do we need extern “C”{ #include } in C++?
...
C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler expects the data contained i...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
In multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a go...