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Get current directory name (without full path) in a Bash script
... # to assign to a variable
printf '%s\n' "${PWD##*/}" # to print to stdout
# ...more robust than echo for unusual names
# (consider a directory named -e or -n)
printf '%q\n' "${PWD##*/}" # to print to stdout, quoted for use as shell input...
RegEx to parse or validate Base64 data
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The simplest solution would be to strip out all whitespace (which is ignored as per the RFC) before validation.
– Ben Blank
Jan 24 '09 at 1:35
2
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Why is System.Web.Mvc not listed in Add References?
...stem.Web.Mvc in the "assemblies" tab, but after a bit of searching I found out that I need to look into "assemblies\extensions" tab rather than the default "assemblies\framework" tab.
share
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improv...
How to customize an end time for a YouTube video?
I'm trying to figure out how I can specify a custom end time for an embedded YouTube video. I know that I can customize the start time by adding &start=30 , but I haven't seen anything relating to the end time.
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What is “assert” in JavaScript?
... they're called) are used only in "testing" or "debug" builds and stripped out of production code.
Suppose you had a function that was supposed to always accept a string. You'd want to know if someone called that function with something that wasn't a string. So you might do:
assert(typeof argument...
Excel “External table is not in the expected format.”
...m. The xlsx file is on a share on our network. How can I read the file without having to open it first?
Thanks
23 Answers
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How to normalize a NumPy array to within a certain range?
...divisions
Since we are using basic numpy methods here, I think this is about as efficient a solution in numpy as can be.
In-place operations do not change the dtype of the container array. Since the desired normalized values are floats, the audio and image arrays need to have floating-point poi...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...e over. Then you have everything in memory, and the results come spilling out.
From my reading of the docs, iterator() does nothing more than bypass QuerySet's internal caching mechanisms. I think it might make sense for it to a do a one-by-one thing, but that would conversely require ten-million...
.Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return
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Turns out that it only does this when the content length of the response is zero; it adds a textual description of the HTTP status code - 400 is just "Bad Request" but some of the others are more descriptive.
–...
When is null or undefined used in JavaScript? [duplicate]
... of these answers are vague and complicated, I find the best way to figure out these things for sure is to just open up the console and test it yourself.
var x;
x == null // true
x == undefined // true
x === null // false
x === undefined // true
var y = null;
y ==...