大约有 47,000 项符合查询结果（耗时：0.0466秒） [XML]
Advantage of creating a generic repository vs. specific repository for each object?
...ository pattern itself. The recent introduction of LINQ's IQueryable, a uniform representation of a query, has caused a lot of discussion about this very topic.
I prefer specific repositories myself, after having worked very hard to build a generic repository framework. No matter what clever mechan...
Convert tuple to list and back
I'm currently working on a map editor for a game in pygame, using tile maps.
The level is built up out of blocks in the following structure (though much larger):
...
Python Flask, how to set content type
...x_ddl():
xml = 'foo'
return xml
I think this is slightly more comfortable.
share
|
improve this answer
|
follow
|
...
Restoring MySQL database from physical files
...
this is true only for MyISAM tables. InnoDB stores its tables and indexes in a single tablespace *, which by default consist of the 3 files ibdata1, ib_logfile0, and ib_logfile1. for restoring a database, you would also need those files. * pe...
Which MySQL datatype to use for an IP address? [duplicate]
...DR'] and some other $_SERVER variables, which datatype is the right one for this?
3 Answers
...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
...
(For information about the new exception helper in Visual Studio 2017 see the end of this answer)
Consider this code:
String s = null;
Console.WriteLine(s.Length);
This will throw a NullReferenceException in the second l...
Weird PHP error: 'Can't use function return value in write context'
...
I also found the solution for the issue I was facing, so FYI - this goes also for $_REQUEST (parameters in the URL of the page).
– TheCuBeMan
Dec 31 '15 at 9:37
...
Create an array with random values
...e's a solution that shuffles a list of unique numbers (no repeats, ever).
for (var a=[],i=0;i<40;++i) a[i]=i;
// http://stackoverflow.com/questions/962802#962890
function shuffle(array) {
var tmp, current, top = array.length;
if(top) while(--top) {
current = Math.floor(Math.random() * (...
Compiling problems: cannot find crt1.o
...
Debian / Ubuntu
The problem is you likely only have the gcc for your current architecture and that's 64bit. You need the 32bit support files. For that, you need to install them
sudo apt install gcc-multilib
...
常用Sql - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
... decimal(18,0) NOT NULL COMMENT '递增ID',
`FIELD_1` varchar(32) NOT NULL COMMENT '字段1',
`FIELD_2` varchar(32) NOT NULL COMMENT '字段2',
PRIMARY KEY (`ID`),
KEY `FIELD_1` (`FIELD_1`), #单索引
KE...