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What is the use of Enumerable.Zip extension method in Linq?
...ative. B) Write a method to yield return each element of the shorter list, and then continue yield returning default indefinitely thereafter. (Option B requires you to know in advance which list is shorter.)
– jpaugh
Jul 7 '17 at 21:41
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Add list to set?
... hashable objects. The objects have to be hashable so that finding, adding and removing elements can be done faster than looking at each individual element every time you perform these operations. The specific algorithms used are explained in the Wikipedia article. Pythons hashing algorithms are exp...
Algorithm to return all combinations of k elements from n
I want to write a function that takes an array of letters as an argument and a number of those letters to select.
71 Answe...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...DN上的 解释 :::
其内部定义:
BOOL SetWindowPos(
HWND hWnd, // handle of window
HWND hWndInsertAfter, // placement-order handle
int X, // horizontal position
int Y, // vertical position
int cx, // width
int cy, // height
UINT uFlags // window-positioning flags
);
参数...
How do I find out if first character of a string is a number?
...s, you must first be sure that the string isn't empty. If it is, charAt(0) and substring(0, 1) will throw a StringIndexOutOfBoundsException. startsWith does not have this problem.
To make the entire condition one line and avoid length checks, you can alter the regexes to the following:
s.matches("...
How to replace an entire line in a text file by line number
... For me it says: sed: -e expression #1, char 26: unknown option to ``s' and my line is: sed -i '7s/.*/<param-value>http://localhost:8080/ASDF/services/REWS.REWSHttpSoap12Endpoint/</param-value>/' $TCE_SVN_HOME\trunk\tce\EWC\WebContent\WEB-INF\web.xml. Any idea?
–...
cocktail party algorithm SVD implementation … in one line of code?
... a slide within the introductory lecture on machine learning by Stanford's Andrew Ng at Coursera, he gives the following one line Octave solution to the cocktail party problem given the audio sources are recorded by two spatially separated microphones:
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How can I find the first occurrence of a sub-string in a python string?
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@Regressor: look into regex and word boundaries.
– mechanical_meat
Apr 12 at 23:29
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Function to convert column number to letter?
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You can add the (0) to the end of the Split command if you want to save yourself a variable declaration and extra line of code. eg Col_letter = Split(Cells(1, lngCol).Address(True, False), "$")(0)
– Caltor
Feb 18 '15 at 12:21
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How to execute an .SQL script file using c#
... Great! This solution worked for me for being able to drop and recreate a database, and add tables (via the referenced SQL script file).
– Ogre Psalm33
Dec 2 '09 at 13:31
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