大约有 11,392 项符合查询结果（耗时：0.0341秒） [XML]
must appear in the GROUP BY clause or be used in an aggregate function
...0000000
spain | usopp | 5.0000000000000000
But you may also use window functions, which looks simpler:
SELECT cname, wmname, MAX(avg) OVER (PARTITION BY cname) AS mx
FROM makerar
;
The only thing with this method is that it will show all records (window functions do not group). But it ...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的item
LVS_REPORT: 显示item详细资料
直观的理解：windows资源管理器，“查看”标签下的“大图标，小图标，列表，详细资料”
2. 设置listctrl 风格及扩展风格
LONG lStyle;
lStyle = GetWindowLong(m_list.m_hWnd, GWL_STYLE);...
What is the optimal length for user password salt? [closed]
...f your application should generate a new site-wide salt. For instance, if Windows used the same salt on every Windows authentication database, then it would be worthwhile to create a rainbow table for that salt, but if every install of Windows generated a new salt, then it wouldn't.
...
Download File Using Javascript/jQuery
...);
Whenever that link is clicked, it will download the file in a new tab/window.
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Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
...
On Windows one will need to start Git Bash (right click a folder), and start an ssh-agent which is possible by running `ssh-agent` (mind the back-ticks) and then add the key as described above. I have to do this every time I sta...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...on from 'Code' ribbon section
In "Microsoft Visual Basic for Applications" window select "Tools" from the top menu.
Select "References"
Check the box next to "Microsoft VBScript Regular Expressions 5.5" to include in your workbook.
Click "OK"
Step 2: Define your pattern
Basic definitions:
- Ran...
Generate a heatmap in MatPlotLib using a scatter data set
...oints falling in each hexagon, discretiize the plotting region as a set of windows, assign each point to one of these windows; finally, map the windows onto a color array, and you've got a hexbin diagram.
Though less commonly used than e.g., circles, or squares, that hexagons are a better choice f...
Is Java really slow?
...cations.
Slow UI. Early Swing was slow. It probably did not help that most Windows users found the default Metal L&F ugly either.
Given the above points, it's no wonder people got the 'Java is slow' impression.
For users or developers used to developing native applications, or even Visual Bas...
Remove Trailing Slash From String PHP
.../strip both forward and back slashes
It ensures portability from *nix to Windows, as I assume this question pertains to dealing with paths.
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Why / when would it be appropriate to override ToString?
...ould be to ask:
Why would one override ToString()?
ToString() is the window into an object's state. Emphasis on state as a requirement. Strongly OOP languages like Java/C# abuse the OOP model by encapsulating everything in a class. Imagine you are coding in a language that doesn't follow the s...