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promise already under evaluation: recursive default argument reference or earlier problems?
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Thanks! Two questions (1) if function test further takes an argument for f, will you add something like test<- function(g.=g, T=1, f..=f){ g.(1,T, f.=f..) }? In cases with more recursions, is it a good and safe practice adding more .? (2) if f is ...
Remove an entire column from a data.frame in R
...ne know how to remove an entire column from a data.frame in R? For example if I am given this data.frame:
6 Answers
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How do I check if a number is positive or negative in C#?
How do I check if a number is positive or negative in C#?
17 Answers
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Converting string to byte array in C#
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If you already have a byte array then you will need to know what type of encoding was used to make it into that byte array.
For example, if the byte array was created like this:
byte[] bytes = Encoding.ASCII.GetBytes(someSt...
http to https apache redirection
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Note that this is only available if you have access to the VirtualHost file. It is the recommended method.
– foochow
Sep 25 '13 at 23:54
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Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...ch as the server itself. This way you eliminiate potential environment-specific problems. Packageless servlets work only in specific Tomcat+JDK combinations and this should never be relied upon.
In case of a "plain" IDE project, the class needs to be placed in its package structure inside "Java Re...
How do I configure IIS for URL Rewriting an AngularJS application in HTML5 mode?
...se href="/">
Don't forget to install IIS URL Rewrite on server.
Also if you use Web API and IIS, this will work if your API is at www.yourdomain.com/api because of the third input (third line of condition).
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django syncdb and an updated model
... has changed or how to preserve it so it insists that you do it yourself. If you don't like it, use a migration tool like South.
– Soviut
Oct 23 '09 at 3:21
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Does Java have a HashMap with reverse lookup?
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You will significantly improve performance of containsValue() by changing it to return valueToKeyMap.containsKey(value)
– JT.
Apr 23 '13 at 0:46
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Difference between CC, gcc and g++?
What are the difference between the 3 compilers CC, gcc, g++ when compiling
C and C++ code in terms of assembly
code generation, available libraries, language features, etc.?
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