大约有 30,000 项符合查询结果（耗时：0.0476秒） [XML]
string.Join on a List or other type
...f strings from a list of ints so that String.Join(String, String[]) can be called. Only thing I'd say is that it's unusual to see this method written as an extension on String as opposed to IEnumerable<String> - I tend to always call it at the end of a long chain of extension method calls.
...
How to read the mode field of git-ls-tree's output
...IX notations.
First two digits show file type, the third one is about set-uid/set-gid/sticky bits, and you know the last three.
Here is how man 2 stat documents it on my GNU/Linux system:
The following flags are defined for the st_mode field:
S_IFMT 0170000 bit mask for the file t...
Git branching strategy integated with testing/QA process
...asable state. The long version is that we test in many phases. More analytically:
Developer creates a feature branch for every new feature.
The feature branch is (automatically) deployed on our TEST environment with every commit for the developer to test.
When the developer is done with deploymen...
Can't use method return value in write context
.... When the thing you're checking always exists (in PHP results of function calls always exist), the empty() function is nothing but a negation operator.
PHP doesn't have concept of emptyness. Values that evaluate to false are empty, values that evaluate to true are non-empty. It's the same thing. T...
Test whether a list contains a specific value in Clojure
...dex 0!).
To add to the confusion, in cases where it doesn't make sense to call contains?, it simply return false; this is what happens in (contains? :foo 1) and also (contains? '(100 101 102) 101). Update: In Clojure ≥ 1.5 contains? throws when handed an object of a type that doesn't support the ...
Underscore prefix for property and method names in JavaScript
...erties, from inside the object, when using the "this" variable. But, when called from the outside, it hides all underscored attributes.
– foxontherock
Dec 17 '15 at 19:30
...
try/catch + using, right syntax
...
Technically, that won't compile either. Cannot assign null to implicitly-typed local variable ;) But I know what you mean and personally would prefer this to nesting a using block.
– Connell
M...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...
Here is what I used to call something I couldn't change using NSInvocation:
SEL theSelector = NSSelectorFromString(@"setOrientation:animated:");
NSInvocation *anInvocation = [NSInvocation
invocationWithMethodSignature:
[MPM...
Difference Between Schema / Database in MySQL
...
As defined in the MySQL Glossary:
In MySQL, physically, a schema is synonymous with a database. You can substitute the keyword SCHEMA instead of DATABASE in MySQL SQL syntax, for example using CREATE SCHEMA instead of CREATE DATABASE.
Some other database products draw ...
JavaScript implementation of Gzip [closed]
...
I wonder why on earth it is called "compressor" when it is an UNcompressor. lol
– matteo
May 7 '13 at 18:54
1
...