大约有 45,000 项符合查询结果（耗时：0.0649秒） [XML]
How to change column order in a table using sql query in sql server 2005?
...INAL_POSITION column qhen you query "INFORMATION_SCHEMA.COLUMNS". I don't know what it means... but it must have something to do with this.
– JotaBe
Jun 21 '13 at 12:46
19
...
How to handle command-line arguments in PowerShell
...t like this:
if ($force) {
//deletes a file or does something "bad"
}
Now, when calling the script you'd set the switch/flag parameter like this:
.\yourscript.ps1 -server "http://otherserver" -force
If you explicitly want to state that the flag is not set, there is a special syntax for that
...
Does using final for variables in Java improve garbage collection?
... // Doesn't work.
There may be some small optimisation based around the knowledge that the JVM will never have to modify the reference (such as not having check to see if it has changed) but it would be so minor as to not worry about.
Final should be thought of as useful meta-data to the develope...
Why can't I use switch statement on a String?
...kely had to do with performance.
Implementation in JDK 7
The feature has now been implemented in javac with a "de-sugaring" process; a clean, high-level syntax using String constants in case declarations is expanded at compile-time into more complex code following a pattern. The resulting code use...
Why does “,,,” == Array(4) in Javascript?
...
Okay, now this all makes sense to me. Thanks.
– ZenLikeThat
Jun 5 '12 at 21:41
6
...
How do I update the GUI from another thread?
...o be a string or this will fail to compile
Not only is the property name now checked at compile time, the property's type is as well, so it's impossible to (for example) assign a string value to a boolean property, and hence cause a runtime exception.
Unfortunately this doesn't stop anyone from d...
How to get the Display Name Attribute of an Enum member via MVC razor code?
...tCustomAttribute<DisplayAttribute>()?
.Name;
}
Now we can use it very clean in this way:
public enum Season
{
[Display(Name = "The Autumn")]
Autumn,
[Display(Name = "The Weather")]
Winter,
[Display(Name = "The Tease")]
Spring,
[Display(Nam...
Wrap long lines in Python [duplicate]
...
My experience with it until now says that it doesn't have any downsides. It's an all-weather, very readable pattern that can be used everywhere, from messages to compiler backends.
– Ioannis Filippidis
Dec 2 '15 at...
How do I revert all local changes in Git managed project to previous state?
...HEAD@{6}: commit (initial): Add file a
$ git reset --hard HEAD@{2}
HEAD is now at fdf2c5e Append d to a
$ cat a
foo
b
c
d
share
|
improve this answer
|
follow
...
IIS7 Overrides customErrors when setting Response.StatusCode?
Having a weird problem here. Everybody knows that if you use web.config's customErrors section to make a custom error page, that you should set your Response.StatusCode to whatever is appropriate. For example, if I make a custom 404 page and name it 404.aspx, I could put <% Response.StatusCo...