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python numpy ValueError: operands could not be broadcast together with shapes
In numpy, I have two "arrays", X is (m,n) and y is a vector (n,1)
6 Answers
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How to use RSpec's should_raise with any kind of exception?
... some_method }.to raise_error
RSpec 1 Syntax:
lambda { some_method }.should raise_error
See the documentation (for RSpec 1 syntax) and RSpec 2 documentation for more.
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How to specify font attributes for all elements on an html web page?
...nt size, color etc. it seems that some nested elements override these with ugly browser defaults.
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django: BooleanField, how to set the default value to true?
I am using BooleanField in django. By default the checkbox generated by it is unchecked state, I want the state to be checked by default, how to do it?
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Switch case with fallthrough?
I am looking for the correct syntax of the switch statement with fallthrough cases in Bash (ideally case-insensitive).
In PHP I would program it like:
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Recommended way to stop a Gradle build
How can I stop a Gradle build after detecting a problem? I can use an assert, throw an exception, do a System.exit (bad idea), or use a dedicated function in Gradle (but I could not find one). What is the best way for Gradle (and why?).
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Android Studio/Intellij Idea: “Table of Contents” for a class
I have been messing around with Android Studio and so far I like most of what I have seen. One thing that has been annoying me though is this lack of "Table of Contents" for a class. I apologize for not knowing exactly what to call it. But what I am referring to is the dropdown menu in eclipse that ...
Re-entrant locks in C#
Will the following code result in a deadlock using C# on .NET?
4 Answers
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How to set the maximum memory usage for JVM?
I want to limit the maximum memory used by the JVM. Note, this is not just the heap, I want to limit the total memory used by this process.
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How default .equals and .hashCode will work for my classes?
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Yes, the default implementation is Object's (generally speaking; if you inherit from a class that redefined equals and/or hashCode, then you'll use that implementation instead).
From the documentation:
equals
The equals method for c...