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What's the difference between struct and class in .NET?
...nter, or a reference to somewhere else in memory where the actual value resides.
This has one benefit, to begin with:
value types always contains a value
reference types can contain a null-reference, meaning that they don't refer to anything at all at the moment
Internally, reference types are ...
Determine direct shared object dependencies of a Linux binary?
...ted Jun 29 '16 at 20:41
Nathan Kidd
2,7791717 silver badges2222 bronze badges
answered Jun 5 '11 at 12:06
MatM...
Cross-platform way of getting temp directory in Python
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Singleton by Jon Skeet clarification
... don't have to declare a static constructor for the magic BeforeFieldInit side-effect?
– Ed T
Jun 1 '15 at 19:03
3
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PHP: Move associative array element to beginning of array
...
@andrewtweber No, I don't, but I did some testing and found that, compared to Emil's approach, it is 3x faster and takes half as much memory. I also found that it takes 20% more time than moving the same element to the end of the array.
–...
gitignore does not ignore folder
In the root of my project I have a foo folder. Inside the foo folder I have a bar folder. I would like to ignore all changes to all files inside my bar folder. I have this in my gitignore :
...
How do I run a Ruby file in a Rails environment?
... with rails runner because you don't need to modify your script.
http://guides.rubyonrails.org/command_line.html#rails-runner
Just say rails runner script.rb
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How to change the output color of echo in Linux
...things.
Usage
Specific tput sub-commands are discussed later.
Direct
Call tput as part of a sequence of commands:
tput setaf 1; echo "this is red text"
Use ; instead of && so if tput errors the text still shows.
Shell variables
Another option is to use shell variables:
red=`tput ...
Twig for loop for arrays with keys
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Why does multiprocessing use only a single core after I import numpy?
... to reset the task affinity using
os.system("taskset -p 0xff %d" % os.getpid())
With this line pasted in after the module imports, my example now runs on all cores:
My experience so far has been that this doesn't seem to have any negative effect on numpy's performance, although this is probabl...