大约有 31,840 项符合查询结果（耗时：0.0468秒） [XML]
How do I programmatically determine if there are uncommitted changes?
...cient way to do that? A command that exits with a return value of zero in one case and non-zero in the other would suit my purposes.
...
Can I add extension methods to an existing static class?
...
@tap - it's only an example, and the first one that came to mind. The single responsibility principle comes into play, though. Should the "container" actually be responsible for interpreting itself from the configuration file? Normally I simply have ConfigurationSec...
Mythical man month 10 lines per developer day - how close on large projects? [closed]
...
On one of my current projects, in some modules, I am proud to have contributed a negative line count to the code base. Identifying which areas of code have grown unnecessary complexity and can be simplified with a cleaner and cl...
What is the scope of variables in JavaScript?
...this chain for a matching identifier.
Identifier resolution only occurs in one direction: outwards. In this way, outer lexical environments cannot "see" into inner lexical environments.
There are three pertinent factors in deciding the scope of an identifier in JavaScript:
How an identifier was dec...
Difference between Property and Field in C# 3.0+
... memory where data of the specified type is stored. A property represents one or two units of code that are executed to retrieve or set a value of the specified type. The use of these accessor methods is syntactically hidden by using a member that appears to behave like a field (in that it can app...
Use of class definitions inside a method in Java
...
This is called a local class.
2 is the easy one: yes, a class file will be generated.
1 and 3 are kind of the same question. You would use a local class where you never need to instantiate one or know about implementation details anywhere but in one method.
A typica...
Getting current device language in iOS?
...egion of the device - not the currently selected language. These are often one and the same. However, if I am in North America and I set my language to Japanese, my region will still be English (United States). In order to retrieve the currently selected language, you can do:
NSString * language = ...
Really weird eclipse keyboard behavior/bug?
...s happened. I had to restore default key bindings (after writing down the ones that I had customized) and then restore my customized settings.
Makes me wonder what other key bindings have been reset and what did it. Frustrating but at least I can get back to coding.
...
define() vs. const
... define('FOO', 'BAR'); // Valid
}
Why would you want to do that anyway? One common application is to check whether the constant is already defined:
if (!defined('FOO')) {
define('FOO', 'BAR');
}
const accepts a static scalar (number, string or other constant like true, false, null, __FILE__...
^M at the end of every line in vim
...
One easy way to strip out the DOS line endings is to use the ff option:
:set ff=unix
:wq
Now your file is back to the good-old-Unix-way.
If you want to add the DOS line-endings (to keep a printer happy, or transfer files ...