大约有 19,000 项符合查询结果(耗时:0.0250秒) [XML]
Get top n records for each group of grouped results
...g this: The version is the variables is close to being correct. However, MySQL does not guarantee the order of evaluation of expressions in the SELECT (and, in fact, sometimes evaluates them out-of-order). The key to the solution is to put all the variable assignments in a single expression; here...
setup.py examples?
...n
import os
import sys
from distutils.core import setup
name = "mycli"
rootdir = os.path.abspath(os.path.dirname(__file__))
# Restructured text project description read from file
long_description = open(os.path.join(rootdir, 'README.md')).read()
# Python 2.4 or later needed
if sys.version_info...
MySQL JOIN the most recent row only?
...
For anyone who must work with an older version of MySQL (pre-5.0 ish) you are unable to do sub-queries for this type of query. Here is the solution I was able to do and it seemed to work great.
SELECT MAX(d.id), d2.*, CONCAT(title,' ',forename,' ',surname) AS name
FROM cust...
Windows 7, 64 bit, DLL problems
...lls other DLL files.
In my case, it was not three .ocx files, but missing MySQL connector DLL file. After installing of MySQL Connector for .NET on server, the problem disappeared.
So, in short, the solution is: check if all your project references are there.
...
Commonly accepted best practices around code organization in JavaScript [closed]
...jar) to your classpath
Download WysiHat and copy "vendor" directory to the root of your JavaScript project
Download JSLint for Rhino and put it inside the "vendor" directory
Now create a file named "Rakefile" in the root directory of the JavaScript project and add the following content to it:
req...
SEH stack 结构探索(1)--- 从 SEH 链的最底层(线程第1个SEH结构)说起 -...
...TION_RECORD,即构造一个最底层的 SEH 结点
我们要看的是它如何构建 _EXCEPTION_REGISTRATION_RECORD 结构,我们最好准备纸笔记录下它的 stack 变化情况
1. ntdll32!_SEH_prolog4() 构造的 stack 结构
刚进入 ntdll32!_SEH_prolog4() 时的 stack 是下面的...
File name? Path name? Base name? Naming standard for pieces of a path
...users\OddThinking\Documents\My Source\Widget\foo.src
Vim calls it file root (:help filename-modifiers)
B) C:\users\OddThinking\Documents\My Source\Widget\foo.src
file name or base name
C) C:\users\OddThinking\Documents\My Source\Widget\foo.src (without dot)
file/name extension
D) C...
Setting up two different static directories in node.js Express framework
...W this is also useful if you don't want static to serve the files from the root of your server but rather from a more qualified path.
HTH
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How to get next/previous record in MySQL?
...ding that a primary key colum is not meant as a column to sort by, because MySQL does not guarantee that higher, auto incremented, values are necessarily added at a later time.
If you don't care about this, and simply need the record with a higher (or lower) id then this will suffice. Just don't us...
Joining three tables using MySQL
I have three tables named
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