大约有 45,000 项符合查询结果（耗时：0.0653秒） [XML]
Advantage of switch over if-else statement
What's the best practice for using a switch statement vs using an if statement for 30 unsigned enumerations where about 10 have an expected action (that presently is the same action). Performance and space need to be considered but are not critical. I've abstracted the snippet so don't hate m...
Can I add extension methods to an existing static class?
...ds require an instance variable (value) for an object. You can however, write a static wrapper around the ConfigurationManager interface. If you implement the wrapper, you don't need an extension method since you can just add the method directly.
public static class ConfigurationManagerWrapper
...
How to identify if the DLL is Debug or Release build (in .NET) [duplicate]
...
The only best way to do this is to check the compiled assemblies itself. There is this very useful tool called '.NET Assembly Information' found here by Rotem Bloom. After you install this, it associates itself with .dll files to open with itself. After installing you can just double-click...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
... this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
9 Answers
...
What is the point of “final class” in Java?
I am reading a book about Java and it says that you can declare the whole class as final . I cannot think of anything where I'd use this.
...
For a boolean field, what is the naming convention for its getter/setter?
...follow
|
edited Oct 10 '14 at 14:29
answered Mar 16 '11 at 8:27
...
Inheritance vs. Aggregation [closed]
...
It's not a matter of which is the best, but of when to use what.
In the 'normal' cases a simple question is enough to find out if we need inheritance or aggregation.
If The new class is more or less as the original class. ...
Why does CSS not support negative padding?
...reason behind this? Is there any obstruction to the property that prevents it's use as such? Thanks for your answers.
7 Ans...
Python function global variables?
...
If you want to simply access a global variable you just use its name. However to change its value you need to use the global keyword.
E.g.
global someVar
someVar = 55
This would change the value of the global variable to 55. Otherwise it would just assign 55 to a local variable.
...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...
Never ever should you use money. It is not precise, and it is pure garbage; always use decimal/numeric.
Run this to see what I mean:
DECLARE
@mon1 MONEY,
@mon2 MONEY,
@mon3 MONEY,
@mon4 MONEY,
@num1 DECIMAL(19,4),
@num2 DECIMAL(19,4...