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How to import a module given its name as string?
...e importlib.import_module for Python 2 and and Python 3.
You can use exec if you want to as well.
Or using __import__ you can import a list of modules by doing this:
>>> moduleNames = ['sys', 'os', 're', 'unittest']
>>> moduleNames
['sys', 'os', 're', 'unittest']
>>> m...
Render a variable as HTML in EJS
...ld ejs (v0.5.x, 0.8.5, v1.0.0) is available here https://github.com/tj/ejs
Now with ejs you can do even more. You can use:
Escaped output with <%= %> (escape function configurable)
Unescaped raw output with <%- %>
Newline-trim mode ('newline slurping') with -%> ending tag
Whitespace-...
Commenting in a Bash script inside a multiline command
...f `#Another chance for a comment` \
xyz, etc.
And for pipelines specifically, there is a clean solution with no overhead:
echo abc | # Normal comment OK here
tr a-z A-Z | # Another normal comment OK here
sort | # The pipelines are automatically continued
uniq ...
How do I check which version of NumPy I'm using?
... is actually very nice as it allows you to check the version of numpy even if you have two different versions running on two different versions of python. py -2 -c "import numpy; print(numpy.version.version)" py -3 -c "import numpy; print(numpy.version.version)"
– JSWilson
...
Count character occurrences in a string in C++
.... For some reason std::count returns type iterator_traits<InputIt>::difference_type, which for most standard containers is std::ptrdiff_t, not std::size_t.
– Daniel Stevens
Apr 15 at 7:48
...
how to change any data type into a string in python
...
str is meant to produce a string representation of the object's data. If you're writing your own class and you want str to work for you, add:
def __str__(self):
return "Some descriptive string"
print str(myObj) will call myObj.__str__().
repr is a similar method, which generally produce...
Kill detached screen session [closed]
...screens directory will not have the 26727.pts-0.devxxx file in it anymore. Now to make sure just type this:
screen -ls
and you should get:
No Sockets found in /tmp/uscreens/S-xxx.
share
...
Node.js - getting current filename
...
for a script named script.js, you'll get script.js. If you want to have the name only without extension, as we are speaking here of a js script you can use var scriptName = path.basename(__filename, '.js'); or var scriptName = path.basename(__filename, path.extname(__filename)...
Remove an item from array using UnderscoreJS
...ould only iterate over array once instead of potentially twice like here.
If you want to modify the array in-place, you have to use .splice. This is also shown in the other question and undescore doesn't seem to provide any useful function for that.
...
Convert base-2 binary number string to int
...n='11111111')
>>> b.uint
255
Note that the unsigned integer is different from the signed integer:
>>> b.int
-1
The bitstring module isn't a requirement, but it has lots of performant methods for turning input into and from bits into other forms, as well as manipulating them.
...