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Detect if a NumPy array contains at least one non-numeric value?
... As an extra complication the input could be a single float or numpy.float64 or even something oddball like a zero-dimensional array.
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Bash empty array expansion with `set -u`
....4.
$ bash --version | head -n 1
GNU bash, version 4.4.19(1)-release (x86_64-pc-linux-gnu)
$ set -u
$ arr=()
$ echo "foo: '${arr[@]}'"
foo: ''
There is a conditional you can use inline to achieve what you want in older versions: Use ${arr[@]+"${arr[@]}"} instead of "${arr[@]}".
$ function a...
Fundamental difference between Hashing and Encryption algorithms
...change it to a new one and use that as feedback into itself (MD5 does this 64 times for each 512bit chunk of data). It then somehow combines the resultant states from all these iterations back together to form the resultant hash.
Now, if you wanted to decode the hash, you'd first need to figure ou...
How to get folder path from file path with CMD
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See also: ss64.com/nt/syntax-args.html - use %~dp1 for drive and path only.
– Andrew
Oct 28 '17 at 1:36
2
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How to activate an Anaconda environment
...his only adds the conda command to the path, but does not yet activate the base environment (which was previously called root). To do also that, add another line
conda activate base
after the first command. See all the details in Anaconda's blog post from December 2017. (I think that this page is...
How can I check if an ip is in a network in Python?
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Continuing on Rafal's comment, to get this to work on a 64-bit Python interpreter, replace the line in question with: return struct.unpack('<L',socket.inet_aton(ip))[0]
– nitwit
Jan 22 '12 at 9:24
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Visual Studio 2013 doesn't discover unit tests
...e up. Definitely run VS as administrator in that case.
If your solution is 64 bit, make sure that Test > Test Settings > Default Processor Architecture is set to x64. Sometimes it gets set to x86. Set it to x64, then rebuild.
Sometimes just restarting Visual Studio does the trick because the t...
Seeding the random number generator in Javascript
...ery different results even when two strings are similar. Here's an example based on MurmurHash3's mixing function:
function xmur3(str) {
for(var i = 0, h = 1779033703 ^ str.length; i < str.length; i++)
h = Math.imul(h ^ str.charCodeAt(i), 3432918353),
h = h << 13 | h &g...
JavaScript get window X/Y position for scroll
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Tests not running in Test Explorer
...k test project] -> properties -> Build -> Platform target - e.g. x64
[Main Menu] -> Test -> Test Settings -> Default Processor Architecture -> X64
I found that when these didn't match my test project would silently fail to run.
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