大约有 47,000 项符合查询结果(耗时:0.0538秒) [XML]
Does Java support default parameter values?
...
answered Jun 15 '09 at 18:14
Kathy Van StoneKathy Van Stone
22.3k22 gold badges2929 silver badges3939 bronze badges
...
Generating random numbers in Objective-C
...a head mainly, and I want a way to generate a pseudo-random number between 0 and 74. In Java I would use the method:
13 Ans...
How do I convert seconds to hours, minutes and seconds?
...gt;> import datetime
>>> str(datetime.timedelta(seconds=666))
'0:11:06'
share
|
improve this answer
|
follow
|
...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
... }
using (Rfc2898DeriveBytes bytes = new Rfc2898DeriveBytes(password, 0x10, 0x3e8))
{
salt = bytes.Salt;
buffer2 = bytes.GetBytes(0x20);
}
byte[] dst = new byte[0x31];
Buffer.BlockCopy(salt, 0, dst, 1, 0x10);
Buffer.BlockCopy(buffer2, 0, dst, 0x11, 0x20);
...
Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
I have installed MS SQL Server 2008 R2 and when I try to update model from database under EDMX file I am facing that error.
...
PHP: Count a stdClass object
...urn the right number when I run the count($obj) function. The object has 30 properties, but the return on the count() function is say 1.
...
Mod of negative number is melting my brain
...ould write it as
int mod(int x, int m) {
int r = x%m;
return r<0 ? r+m : r;
}
or variants thereof.
The reason it works is that "x%m" is always in the range [-m+1, m-1]. So if at all it is negative, adding m to it will put it in the positive range without changing its value modulo m.
...
How to create a cron job using Bash automatically without the interactive editor?
...
20 Answers
20
Active
...
Format number to 2 decimal places
...
You want to use the TRUNCATE command.
https://dev.mysql.com/doc/refman/8.0/en/mathematical-functions.html#function_truncate
share
|
improve this answer
|
follow
...
PHP append one array to another (not array_push or +)
...
|
edited Dec 10 '16 at 11:25
Community♦
111 silver badge
answered Nov 24 '10 at 16:16
...