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nvarchar和varchar相互转换、联合查询 - ORACLE - 清泛IT论坛，有思想、有深度
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Specifying the USING CHAR_CS argument converts text into the database character set. The output datatype is VARCHAR2.
Specifying the USING NCHAR_CS argument converts text into the national character set. The output datatype is NVARCHAR2.
（A表字段c_xxx:varchar，B表c_xxx:nvarchar）...
Rendering HTML inside textarea
I need to be able to render some HTML tags inside a textarea (namely , , , ) but textareas only interpret their content as text. Is there an easy way of doing it without relying on external libraries/plugins (I'm using jQuery)?
If not, do you know of any jQuery plugin I could use to do this?
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What's the best way to cancel event propagation between nested ng-click calls?
...ant to have an image overlay like a lot of sites. So when you click a thumbnail, a black overlay appears over your whole window, and a larger version of the image is centered in it. Clicking the black overlay dismisses it; clicking the image will call a function that shows the next image.
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Can iterators be reset in Python?
...erator in Python? I am using DictReader and would like to reset it to the beginning of the file.
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error, string or binary data would be truncated when trying to insert
I am running data.bat file with the following lines:
16 Answers
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How to print a linebreak in a python function?
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You have your slash backwards, it should be "\n"
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What is the fastest way to check if a class has a function defined?
...g an AI state space search algorithm, and I have a generic class which can be used to quickly implement a search algorithm. A subclass would define the necessary operations, and the algorithm does the rest.
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CSS scrollbar style cross browser [duplicate]
How can I define a CSS scrollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox.
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“Cloning” row or column vectors
Sometimes it is useful to "clone" a row or column vector to a matrix. By cloning I mean converting a row vector such as
9 A...
How does #include work in C++? [duplicate]
I have read from a codeforces blog that if we add #include <bits/stdc++.h> in a C++ program then there is no need to include any other header files. How does #include <bits/stdc++.h> work and is it ok to use it instead of including individual header files?
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