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How I can I lazily read multiple JSON values from a file/stream in Python?
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JSON generally isn't very good for this sort of incremental use; there's no standard way to serialise multiple objects so that they can easily be loaded one at a time, without parsing the whole lot.
The object per line solution that y...
How can I set the aspect ratio in matplotlib?
...tly controlled aspect ratio, but it seems to be ignored once an imshow is called.
Original Answer:
Here's an example of a routine that will adjust the subplot parameters so that you get the desired aspect ratio:
import matplotlib.pyplot as plt
def adjustFigAspect(fig,aspect=1):
'''
Adju...
is there an virtual environment for node.js?
...un:
npm bundle vendor
or if your npm version is >= 1.0 run:
npm install
to freeze into the vendor directory. and then use:
require.paths.unshift('./vendor');
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SQL RANK() versus ROW_NUMBER()
...ular ordering value.
RANK and DENSE_RANK are deterministic in this case, all rows with the same value for both the ordering and partitioning columns will end up with an equal result, whereas ROW_NUMBER will arbitrarily (non deterministically) assign an incrementing result to the tied rows.
Examp...
Find first element in a sequence that matches a predicate
...yntax with () creates a generator, which is more efficient than generating all the list at once with [].
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When to use @QueryParam vs @PathParam
... parameters. Putting optional parameters in the path will end up getting really messy when trying to write URL handlers that match different combinations.
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How to get equal width of input and select fields
...the form, I have one select and two input fields. These elements are vertically aligned. Unfortunately, I can't get equal width of these elements.
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Segmentation fault on large array sizes
...The array is too big to fit in your program's stack address space.
If you allocate the array on the heap you should be fine, assuming your machine has enough memory.
int* array = new int[1000000];
But remember that this will require you to delete[] the array. A better solution would be to use st...
Scala vs. Groovy vs. Clojure [closed]
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Groovy is a dynamically typed language, whose syntax is very close to Java, with a number of syntax improvements that allow for lighter code and less boilerplate. It can run through an interpreter as well as being compiled, which makes it good ...
Difference between HEAD and master
...eference to the end of a branch. By convention (and by default) this is usually the main integration branch, but it doesn't have to be.
HEAD is actually a special type of reference that points to another reference. It may point to master or it may not (it will point to whichever branch is currently...