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jQuery count child elements
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Split (explode) pandas dataframe string entry to separate rows
...lit(','))
for _, row in a.iterrows()]).reset_index()
Out[55]:
index 0
0 a 1
1 b 1
2 c 1
3 d 2
4 e 2
5 f 2
Then you just have to rename the columns
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Get cookie by name
... value will be returned. For example, if there's a cookie named stackToken set for domains .stackexchange.com as well as programmers.stackexchange.com then if you call getCookie("stackToken") neither value will be returned -- parts.length will be greater than 2. If you know all cookie values for the...
Why can't R's ifelse statements return vectors?
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Perhaps what you really wanted for the second set of statements was if (TRUE) c(1,2) else c(3,4).
– Jonathan Chang
Aug 26 '09 at 16:33
add a comme...
Should I add the Visual Studio .suo and .user files to source control?
....user file (at least for SQL Server Data Tools). Also, when you change the settings in the Debug tab, it's not always persisted to .user straight away (closing the solution seems to work, bit annoying... or changing another setting stored in the .sqlproj file).
– jamiebarrow
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Select Row number in postgres
... @pumbo Appears row_number() returns "the row number of the resultset" (i.e. always 1 2 3 4 ... if you specify over ()) however if you have an outer query re-arrange result ordering of course ref: stackoverflow.com/a/3397149/32453 comments
– rogerdpack
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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
I feel there is a little mess in the Java EE 6 spec. There are several sets of annotations.
3 Answers
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Static/Dynamic vs Strong/Weak
...s way: in a statically typed language the type is static, meaning once you set a variable to a type, you CANNOT change it. That is because typing is associated with the variable rather than the value it refers to.
For example in Java:
String str = "Hello"; //statically typed as string
str = 5; ...
Converting SVG to PNG using C# [closed]
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i'm used from this code, it throws object not set to an instance of an object when want to execute var bitmap = svgDocument.Draw();. what's the problem?
– Rasool Ghafari
Apr 22 '15 at 20:53
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Dynamically set local variable [duplicate]
How do you dynamically set local variable in Python (where the variable name is dynamic)?
7 Answers
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