大约有 31,840 项符合查询结果（耗时：0.0286秒） [XML]
_DEBUG vs NDEBUG
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I rely on NDEBUG, because it's the only one whose behavior is standardized across compilers and implementations (see documentation for the standard assert macro). The negative logic is a small readability speedbump, but it's a common idiom you can quickly adapt to...
How to make vim paste from (and copy to) system's clipboard?
...our system's clipboard. Assuming you have the appropriate compile options, one or the other should work.
You might like to remap this to something more convenient for you. For example, you could put vnoremap <C-c> "*y in your ~/.vimrc so that you can visually select and press Ctrl+c to yank t...
Application Skeleton to support multiple screens
... Exceeds 4 inches
xlarge Exceeds 7 inches
Most phones are classified as small or normal (roughly 3 to 4 inches diagonally). But now, there are many phones with large screen such as Galaxy S4, HTC One, Xperia Z
A small tablet like the Samsung Galaxy Tab is classified as larg...
When should Flask.g be used?
...on context.
Every request pushes a new application context, wiping the old one, so g can still be used to set flags per-request without change to code.
The application context is popped after teardown_request is called. (Armin's presentation explains this is because things like creating DB connectio...
How to avoid type safety warnings with Hibernate HQL results?
...est:
Write a cast-helper
Simply refactor all your @SuppressWarnings into one place:
List<Cat> cats = MyHibernateUtils.listAndCast(q);
...
public static <T> List<T> listAndCast(Query q) {
@SuppressWarnings("unchecked")
List list = q.list();
return list;
}
Prevent ...
C# vs C - Big performance difference
...length en.wikipedia.org/wiki/Welsh_language
– exceptionerror
Jun 12 '09 at 9:42
1
Doesn't that de...
Regex (grep) for multi-line search needed [duplicate]
...character. That is, grep knows where end of line is, but sees the input as one big line.
-o print only matching. Because we're using -z, the whole file is like a single big line, so if there is a match, the entire file would be printed; this way it won't do that.
In regexp:
(?s) activate PCRE_DOT...
CFBundleVersion in the Info.plist Upload Error
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+1 Helpful one. I used 1.02 for my previous version. And, fix it using this answer. Thank you.
– Praveenkumar
Apr 8 '13 at 11:43
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Generator Expressions vs. List Comprehension
...list comprehension.
Since performance is the most common reason to choose one over the other, my advice is to not worry about it and just pick one; if you find that your program is running too slowly, then and only then should you go back and worry about tuning your code.
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Naming conventions: “State” versus “Status” [closed]
... FooStatus". Is there a convention discussed out there? Should we only use one? If so which one, and if not, how should we choose?
...