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Format decimal for percentage values?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Enable binary mode while restoring a Database from an SQL dump
...handled by mysqldump itself but not redirection of powershell.
reference: https://dba.stackexchange.com/questions/44721/error-while-restoring-a-database-from-an-sql-dump
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Run an OLS regression with Pandas Data Frame
...efer to external packages like statsmodels, see some examples here: http://www.statsmodels.org/stable/regression.html
– javadba
Jan 25 '17 at 0:47
2
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How do I check to see if a value is an integer in MySQL?
...NED ) // will return 0 if not numeric string.
for example
SELECT CAST('a123' AS UNSIGNED) // returns 0
SELECT CAST('123' AS UNSIGNED) // returns 123 i.e. > 0
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What exactly is RESTful programming?
...hn&lname=Doe&age=25
The server responds:
200 OK
Location: /user/123
In the future, you can then retrieve the user information:
GET /user/123
The server responds:
200 OK
<fname>John</fname><lname>Doe</lname><age>25</age>
To modify the record (lna...
What is the relation between BLAS, LAPACK and ATLAS
...oded by hand. You may enjoy an interesting article in the New York Times: https://www.nytimes.com/2005/11/28/technology/writing-the-fastest-code-by-hand-for-fun-a-human-computer-keeps.html.
Kazushige's on the one hand had better insights into the theory behind high-performance implementations of m...
Count character occurrences in a string in C++
...but I'd suggest you to use this solution instead. As you see you can use a function to encapsulate the code for you so you won't have to write out the for loop everytime, but can just use count_underscores("my_string_") in the rest of your code. Using advanced C++ algorithms is certainly possible he...
data.table vs dplyr: can one do something well the other can't or does poorly?
...ansparency. Updating a data.table object by reference, especially within a function may not be always desirable. But this is an incredibly useful feature: see this and this posts for interesting cases. And we want to keep it.
Therefore we are working towards exporting shallow() function in data.tab...
Can I convert a C# string value to an escaped string literal
...
Does not work. If I have "abc\n123" (without quotes, 8 chars), I want "abc" + \n + "123" (7 chars). Instead it produces "abc" + "\\" + "\n123" (9 chars). Notice the slash was doubled and it still contains a string literal of "\n" as two characters, not t...
What is a None value?
...ist.append(val)
return list
list1 = extendList(10)
list2 = extendList(123,[])
list3 = extendList('a')
print "list1 = %s" % list1
print "list2 = %s" % list2
print "list3 = %s" % list3
Now try to guess output of above list. Well, the answer is surprisingly as below:
list1 = [10, 'a']
list2 = ...