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best way to preserve numpy arrays on disk
I am looking for a fast way to preserve large numpy arrays. I want to save them to the disk in a binary format, then read them back into memory relatively fastly. cPickle is not fast enough, unfortunately.
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Clean ways to write multiple 'for' loops
For an array with multiple dimensions, we usually need to write a for loop for each of its dimensions. For example:
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Pandas: Setting no. of max rows
I have a problem viewing the following DataFrame :
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Why should I use a pointer rather than the object itself?
I'm coming from a Java background and have started working with objects in C++. But one thing that occurred to me is that people often use pointers to objects rather than the objects themselves, for example this declaration:
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What is the difference between an int and an Integer in Java and C#?
I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
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C++ performance challenge: integer to std::string conversion
Can anyone beat the performance of my integer to std::string code, linked below?
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Using Gulp to Concatenate and Uglify files
I'm trying to use Gulp to:
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Converting a JS object to an array using jQuery
My application creates a JavaScript object, like the following:
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Count how many files in directory PHP
I'm working on a slightly new project. I wanted to know how many files are in a certain directory.
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What's the difference between array_merge and array + array?
A fairly simple question. What's the difference between:
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