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How can I create an object and add attributes to it?
...but if you don't want to make a "bunch class", a very simple one already exists in Python -- all functions can have arbitrary attributes (including lambda functions). So, the following works:
obj = someobject
obj.a = lambda: None
setattr(obj.a, 'somefield', 'somevalue')
Whether the loss of clari...
Check whether user has a Chrome extension installed
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I am sure there is a direct way (calling functions on your extension directly, or by using the JS classes for extensions), but an indirect method (until something better comes along):
Have your Chrome extension look for a specific DIV or ot...
Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
...t's not what I'm after. I'd love to hear some well-grounded arguments on this topic.
11 Answers
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How to export a Vagrant virtual machine to transfer it
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You have two ways to do this, I'll call it dirty way and clean way:
1. The dirty way
Create a box from your current virtual environment, using vagrant package command:
http://docs.vagrantup.com/v2/cli/package.html
Then copy the box to the other pc...
Why does setTimeout() “break” for large millisecond delay values?
I came across some unexpected behavior when passing a large millisecond value to setTimeout() . For instance,
7 Answers
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Why does Iterable not provide stream() and parallelStream() methods?
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This was not an omission; there was detailed discussion on the EG list in June of 2013.
The definitive discussion of the Expert Group is rooted at this thread.
While it seemed "obvious" (even to the Expert Group, initially)...
Test if a command outputs an empty string
...ut
Commands don’t return values – they output them. You can capture this output by using command substitution; e.g. $(ls -A). You can test for a non-empty string in Bash like this:
if [[ $(ls -A) ]]; then
echo "there are files"
else
echo "no files found"
fi
Note that I've used -A rat...
How to measure elapsed time in Python?
What I want is to start counting time somewhere in my code and then get the passed time, to measure the time it took to execute few function. I think I'm using the timeit module wrong, but the docs are just confusing for me.
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Append integer to beginning of list in Python [duplicate]
I have an integer and a list. I would like to make a new list of them beginning with the variable and ending with the list.
Writing a + list I get errors. The compiler handles a as integer, thus I cannot use append, or extend either.
How would you do this?
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Utilizing the GPU with c# [closed]
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[Edit OCT 2017 as even this answer gets quite old]
Most of these answers are quite old, so I thought I'd give an updated summary of where I think each project is:
GPU.Net (TidePowerd) - I tried this 6 months ago or so, and did get it working thou...