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LISTAGG in Oracle to return distinct values
... dual
union select 'A', 'T_a2', '111' from dual
union select 'A', 'T_a3', '999' from dual
union select 'B', 'T_a1', '123' from dual
union select 'B', 'T_b1', '740' from dual
union select 'B', 'T_b1', '846' from dual
)
select col1
, (select listagg(column_value, ',') within group (order by colum...
Soft wrap at 80 characters in Vim in window of arbitrary width
...lumns > 80) | set columns=80 | endif
autocmd BufEnter * set columns=999
augroup END
To turn on the mode for a particular buffer, use the following commands:
let b:softwrap=1
set columns=80
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__FILE__, __LINE__, and __FUNCTION__ usage in C++
...ike shipping with debug symbols, only more difficult to find things. In 99.999% of the cases nothing bad will come of it.
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What's the best way to refactor a method that has too many (6+) parameters?
...ly, but for my taste, 3 would be acceptable.
– blabla999
Jan 13 '09 at 16:26
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Which $_SERVER variables are safe?
...onicalphysicalport, http://httpd.apache.org/docs/2.4/mod/core.html#comment_999
Entirely arbitrary user controlled values
These values are not checked at all and do not depend on any server configuration, they are entirely arbitrary information sent by the client.
'argv', 'argc' (only applicable ...
What's the algorithm to calculate aspect ratio?
...d
if not self.ratio in accepted_ratios:
lesser_error = 999
lesser_index = -1
my_ratio_normalized = float(self.width) / float(self.height)
# Check how far from each known aspect this resolution is, and take one with the smaller error
...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...構有沒有填錯? sockaddr_in中的IP位址和port是不是以網路位元組順序排列。
WSAELOOP (10062) 太多層的符號式鏈結(Symbolic link)
在UNIX作業系統中，這個錯誤的意思是指路徑參考過多的符號式鏈結(symbolic link)。
WSAENAMETOOLONG (10063) 檔...
What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
...tion for this [here] with my small C# code.
– Mahesha999
Apr 18 '14 at 11:40
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Cross-browser custom styling for file upload button [duplicate]
...d: -webkit-linear-gradient(top, #f9f9f9, #e3e3e3);
border: 1px solid #999;
border-radius: 3px;
padding: 5px 8px;
outline: none;
white-space: nowrap;
-webkit-user-select: none;
cursor: pointer;
text-shadow: 1px 1px #fff;
font-weight: 700;
font-size: 1...
What is the meaning and difference between subject, user and principal?
... the name on her driver license, to the Subject, and another which binds, "999-99-9999", the number on her student identification card, to the Subject. Both Principals refer to the same Subject even though each has a different name."
Hope it helps.
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