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How to refer to relative paths of resources when working with a code repository
... both Windows and Linux - sometimes in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)?
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what is the difference between 'transform' and 'fit_transform' in sklearn
...ou have already called its .fit method.
In [12]: pc2 = RandomizedPCA(n_components=3)
In [13]: pc2.transform(X) # can't transform because it does not know how to do it.
---------------------------------------------------------------------------
AttributeError Traceback (mo...
When should I use the new keyword in C++?
...ou shouldn't return a pointer to an object on the stack)
As far as which one to use; you choose the method that works best for you, given the above constraints.
Some easy cases:
If you don't want to worry about calling delete, (and the potential to cause memory leaks) you shouldn't use new.
I...
Static method in a generic class?
...
The second syntax there is the more exact one, which you need if the compiler can't infer the type of the return value from the contaxt in which the method is called. In other words, if the compiler allows Clazz.doIt(object), then do that.
– sk...
Calculate the execution time of a method
... Thread ? Timer ? Stopwatch ? Any other solution? I want the most exact one, and briefest as much as possible.
7 Answers...
Best design for a changelog / auditing database table? [closed]
...ing on, audit log also started from the very minimalistic design, like the one you described:
event ID
event date/time
event type
user ID
description
The idea was the same: to keep things simple.
However, it quickly became obvious that this minimalistic design was not sufficient. The typical au...
How to trigger a build only if changes happen on particular set of files
...oes not have a "included region" feature at this time (1.15). However, someone posted patches on GitHub that work on Jenkins and Hudson that implement the feature you want.
It is a little work to build, but it works as advertised and has been extremely useful since one of my Git trees has multiple ...
Remove all special characters from a string [duplicate]
...eg_replace('/-+/', '-', $string); // Replaces multiple hyphens with single one.
}
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Please explain the exec() function and its family
...lementations, but the idea is to create as close a copy as possible). Only one process calls fork() but two processes return from that call - sounds bizarre but it's really quite elegant
The new process (called the child) gets a different process ID (PID) and has the PID of the old process (the pare...
What is function overloading and overriding in php?
...rence, since you cannot do either :)
Function overriding could have been done with a PHP extension like APD, but it's deprecated and afaik last version was unusable.
Function overloading in PHP cannot be done due to dynamic typing, ie, in PHP you don't "define" variables to be a particular type. E...