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Why does the expression 0 < 0 == 0 return False in Python?
...es check if 0 < 0 which obviously returns False onto the python stack.
Now notice line 11: JUMP_IF_FALSE_OR_POP 23
This means that if 0 < 0 returns False perform a jump to line 23.
Now, 0 < 0 is False, so the jump is taken, which leaves the stack with a False which is the return value for...
The maximum value for an int type in Go
...1111 which gives us the maximum value for the unsigned integer (all ones). Now when you are talking about signed integer then first (the most significant) bit is used to store sign therefore to the signed int maximum value - we need to shift all bits to the right which gives us ^uint(0) >> 1 =...
Why are trailing commas allowed in a list?
... items.
l1 = [
1,
2,
3,
4,
5
]
# Now you want to rearrange
l1 = [
1,
2,
3,
5
4,
]
# Now you have an error
But if you allow trailing commas, and use them, you can easily rearrange the lines without introducing an er...
How do I get NuGet to install/update all the packages in the packages.config?
...
This is the nuke option if you just need it to work RIGHT NOW.
– Chris
Nov 8 '13 at 17:53
11
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WPF Blurry fonts issue- Solutions
...e on the WPF Text Blog explaining the changes. Most prominently, there are now (at least) three different kinds of text rendering:
<grumble>That should be enough rope for every designer.</grumble>
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What are the “standard unambiguous date” formats for string-to-date conversion in R?
...here a better solution than needing to specify the format?
Yes, there is now (ie in late 2016), thanks to anytime::anydate from the anytime package.
See the following for some examples from above:
R> anydate(c("01 Jan 2000", "01/01/2000", "2015/10/10"))
[1] "2000-01-01" "2000-01-01" "2015-10...
How can I add a table of contents to a Jupyter / JupyterLab notebook?
...
Just to update this: there is now an nbextensions extension, which bundles a whole lot of extensions together and allows you to manage them via jupyter itself. I think it's now the easiest way to get ToC2. And it provides other relevant extensions such as...
How do I parallelize a simple Python loop?
...order given: [0, 4, 16, 36, 64, 100, 144, 196, 256, 324]
Multithreading
Now change ProcessPoolExecutor to ThreadPoolExecutor, and run the module again:
$ python3 -m futuretest
original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
total time to execute 19 = sum([0, 2, 3, 5, 2, 0, 0,...
How to import and use different packages of the same name in Go language?
...
import (
"text/template"
htemplate "html/template" // this is now imported as htemplate
)
Read more about it in the spec.
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python: Change the scripts working directory to the script's own directory
... into whatever directory your Python script is located, even if you don't know what directory that will be when you're writing your script. To do this, you can use the os.path functions:
import os
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)
This takes th...