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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
I've installed and have been using the Anaconda Python distribution, and I have started using the Anaconda (Conda) environment. I can use the standard conda install... command to put packages from the distribution into my environments, but to use anything outside (i.e. Flask-WTF, flask-sqlalchem...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
I have taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated...
How does numpy.histogram() work?
...ere are 3 bins, for values ranging from 0 to 1 (excl 1.), 1 to 2 (excl. 2) and 2 to 3 (incl. 3), respectively. The way Numpy defines these bins if by giving a list of delimiters ([0, 1, 2, 3]) in this example, although it also returns the bins in the results, since it can choose them automatically f...
Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
...er programming languages where it's useful to know if something went wrong and what went wrong.
Exit code is
0 when execution went fine;
1, -1, whatever != 0 when some error occurred, you can use different values for different kind of errors.
If I'm correct exit codes used to be just positive n...
jQuery: Difference between position() and offset()
What is the difference between position() and offset() ? I tried to do the following in a click event:
3 Answers
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Sample random rows in dataframe
...propriate function that would return a specified number of rows picked up randomly without replacement from a data frame in R language? Can anyone help me out?
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What is the significance of load factor in HashMap?
HashMap has two important properties: size and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it.
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Creating temporary files in bash
...many shell scripts take the name of the program with
the pid as a suffix and use that as a temporary file name. This kind
of naming scheme is predictable and the race condition it creates is
easy for an attacker to win. A safer, though still inferior, approach
is to make a temporary directo...
CSS Progress Circle [closed]
...
I created a tutorial on how to do exactly that with CSS3 and the LESS JavaScript library.
You can find the blogpost here: https://medium.com/secoya-tech/a917b80c43f9
Here is a jsFiddle of the final result. The percentage is set via the data-progress attribute. Changes are animated...
JavaScript + Unicode regexes
...egex. See Unicode-aware regular expressions in ES6.
Until ES 6 is finished and widely adopted among browser vendors you're still on your own, though. Update: There is now a transpiler named regexpu that translates ES6 Unicode regular expressions into equivalent ES5. It can be used as part of your bu...