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How do I get the user agent with Flask?
I'm trying to get access to the user agent with Flask, but I either can't find the documentation on it, or it doesn't tell me.
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What is the idiomatic Go equivalent of C's ternary operator?
In C/C++ (and many languages of that family), a common idiom to declare and initialize a variable depending on a condition uses the ternary conditional operator :
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Breaking loop when “warnings()” appear in R
I am having an issue:
I am running a loop to process multiple files. My matrices are enormous and therefore I often run out of memory if I am not careful.
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Parse XML using JavaScript [duplicate]
I need to be able to parse XML using JavaScript. The XML will be in a variable. I would prefer not to use jQuery or other frameworks.
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How to apply a Git patch to a file with a different name and path?
I have two repositories. In one, I make changes to file ./hello.test . I commit the changes and create a patch from that commit with git format-patch -1 HEAD . Now, I have a second repository that contains a file that has the same contents as hello.test but is placed in a different directory under...
Add querystring parameters to link_to
I'm having difficultly adding querystring parameters to link_to UrlHelper. I have an Index view, for example, that has UI elements for sorting, filtering, and pagination (via will_paginate). The will_paginate plugin manages the intra-page persistence of querystring parameters correctly.
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Logging errors in ASP.NET MVC
I'm currently using log4net in my ASP.NET MVC application to log exceptions. The way I'm doing this is by having all my controllers inherit from a BaseController class. In the BaseController's OnActionExecuting event, I log any exceptions that may have occurred:
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Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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Test whether a Ruby class is a subclass of another class
I would like to test whether a class inherits from another class, but there doesn't seem to exist a method for that.
2 Answ...
Why covariance and contravariance do not support value type
IEnumerable<T> is co-variant but it does not support value type, just only reference type. The below simple code is compiled successfully:
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