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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...AMD documents it and compilers don't expose it.)
(Yes, these instructions all run on the same execution unit).
This dependency doesn't just hold up the 4 popcnts from a single loop iteration. It can carry across loop iterations making it impossible for the processor to parallelize different loop...
Telling gcc directly to link a library statically
...-Bstatic in order to tell gcc which libraries I want to link with statically. After all I'm telling gcc directly all other information about linking with libraries ( -Ldir , -llibname ).
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What is the point of Lookup?
... via that key in an efficient manner (rather than just iterating over them all, which is what GroupBy lets you do).
For example, you could take a load of .NET types and build a lookup by namespace... then get to all the types in a particular namespace very easily:
using System;
using System.Collec...
Why XML-Serializable class need a parameterless constructor
...me to accept that public parameterless constructors are great because they allow you to use "new()" with generics and the new initialization syntax. For parametered constructors use static factory methods or the builder pattern implementation.
– cfeduke
Nov 6 ...
Make virtualenv inherit specific packages from your global site-packages
...ch will contain just some libraries (which i chose) of the base python installation.
4 Answers
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How do you discover model attributes in Rails?
... am finding it difficult to easily see what attributes/properties exist on all of my model classes since they are not explicitly defined in my class files.
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Bootstrap 3 - Why is row class is wider than its container?
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In all grid systems, there are gutters between each column. Bootstrap's system sets a 15px padding on both the left and the right of each column to create this gutter.
The issue is that the first column should not have half a g...
What is the meaning of addToBackStack with null parameter?
I have a customer code. There is only one activity for all of the fragments i.e. the single activity is managing all the fragments.
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Matplotlib - global legend and title aside subplots
...atplotlib.pyplot as plt
fig = plt.gcf()
fig.suptitle("Title centered above all subplots", fontsize=14)
Alternatively (based on @Steven C. Howell's comment below (thank you!)), use the matplotlib.pyplot.suptitle() function:
import matplotlib.pyplot as plt
# plot stuff
# ...
plt.suptitle("Title...
Gson ignoring map entries with value=null
How do I get it to include all entries?
1 Answer
1
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