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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
...s(pn, start, stop) AS (
SELECT 1, 1, CHARINDEX(@sep, @s)
UNION ALL
SELECT pn + 1, stop + 1, CHARINDEX(@sep, @s, stop + 1)
FROM Pieces
WHERE stop > 0
)
SELECT pn,
SUBSTRING(@s, start, CASE WHEN stop > 0 THEN stop-start ELSE 512 END) AS s
FROM Piec...
Python class inherits object
... so are numerous, to list some of them:
Support for descriptors. Specifically, the following constructs are made possible with descriptors:
classmethod: A method that receives the class as an implicit argument instead of the instance.
staticmethod: A method that does not receive the implicit ar...
Explain the use of a bit vector for determining if all characters are unique
...ge for bits. Every bit in integer value can be treated as a flag, so eventually int is an array of bits (flag). Each bit in your code states whether the character with bit's index was found in string or not. You could use bit vector for the same reason instead of int. There are two differences betwe...
What exactly is Hot Module Replacement in Webpack?
...g modules in a running application (and adding/removing modules). You basically can update changed modules without a full page reload.
Documentation
Prerequirements:
Using Plugins: https://webpack.js.org/concepts/plugins/
Code Splitting: https://webpack.js.org/guides/code-splitting/
webpack-dev-...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...window, the window loses its topmost status and is placed at the bottom of all other windows.
HWND_NOTOPMOST= -2 在所有非"普通层"之上的"普通层"
Places the window above all non-topmost windows (that is, behind all topmost windows). This flag has no effect if the window is already a n...
What is a database transaction?
... you want to treat as "a whole." It has to either happen in full or not at all.
A classical example is transferring money from one bank account to another. To do that you have first to withdraw the amount from the source account, and then deposit it to the destination account. The operation has to ...
Convert DOS line endings to Linux line endings in Vim
If I open files I created in Windows, the lines all end with ^M .
How do I delete these characters all at once?
26 Answers...
What's default HTML/CSS link color?
...ect them to work. But keep in mind that a browser is free to ignore any or all of these guidelines, as it is never required to follow them. It is, however, recommended for a consistent user experience across browsers (which is how "expected" is defined in this context), so chances are that these col...
Origin null is not allowed by Access-Control-Allow-Origin
I have made a small xslt file to create an html output called weather.xsl with code as follows:
7 Answers
...
How do you parse and process HTML/XML in PHP?
... one of the native XML extensions since they come bundled with PHP, are usually faster than all the 3rd party libs and give me all the control I need over the markup.
DOM
The DOM extension allows you to operate on XML documents through the DOM API with PHP 5. It is an implementation of the W3C'...