大约有 21,000 项符合查询结果（耗时：0.0282秒） [XML]
StringLength vs MaxLength attributes ASP.NET MVC with Entity Framework EF Code First
...es, in EF code first. If both are used, [MaxLength] wins the race. See the test result in studentname column in below class
public class Student
{
public Student () {}
[Key]
[Column(Order=1)]
public int StudentKey { get; set; }
//[MaxLength(50),StringLength(60)] //student...
time.sleep — sleeps thread or process?
...threads to continue to execute while the current one sleeps. You can also test this with a simple python program:
import time
from threading import Thread
class worker(Thread):
def run(self):
for x in xrange(0,11):
print x
time.sleep(1)
class waiter(Thread):
...
IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
...liJ that the folder in question is a source code folder.
Then select the Test folder and press Tests.
That's it. Then it will recognize correctly the files and show errors as needed.
See below the screenshot.
share
...
Best practices for SQL varchar column length [closed]
...ole table, see e.g. here. Since 9.2 this is no longer the case and a quick test confirmed that increasing the column size for a table with 1.2 million rows indeed only took 0.5 seconds.
For Oracle this seems to be true as well, judging by the time it takes to alter a big table's varchar column. Bu...
Meaning of Git checkout double dashes
...ning the DWIM heuristic).
(DWIM: Do What I Mean)
Note that we didn't test the original feature in 28fcc0b71a at all.
So this patch not only tests for these corner cases, but also adds a regression test for the existing behavior.
...
The JPA hashCode() / equals() dilemma
...ply insane. I'm new to hibernate workings under the hood, was writing unit tests, and found out that I can't delete an object from a set after modifying it, concluded that it is because of the hashcode change, but was unable to understand how to solve. The article is simple gorgeous!
...
How to change options of with jQuery?
...ur html code contain this code:
<select id="selectId"><option>Test1</option><option>Test2</option></select>
In order to change the list of option inside your select, you can use this code bellow. when your name select named selectId.
var option = $('<optio...
How to pad zeroes to a string?
...e a string of 10 characters long, padding as necessary.
>>> t = 'test'
>>> t.rjust(10, '0')
>>> '000000test'
share
|
improve this answer
|
follow...
How to split a string in Haskell?
...ed Data.Text as T
main = print $ T.splitOn (T.pack " ") (T.pack "this is a test")
or:
{-# LANGUAGE OverloadedStrings #-}
import qualified Data.Text as T
main = print $ T.splitOn " " "this is a test"
share
|
...
Java: How to set Precision for double value? [duplicate]
... to N digits).
Rounds down the number (not round to nearest).
See sample test cases here.
123.12345678 ==> 123.123
1.230000 ==> 1.23
1.1 ==> 1.1
1 ==> 1.0
0.000 ==> 0.0
0.00 ==> 0.0
0.4 ==> 0.4
0 ==> 0.0
1.4999 ==> 1.499
1.4995 ==> 1.499
1.4994 ==> 1.499
Here's ...