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How should I validate an e-mail address?
...chnique for validating an e-mail address (e.g. from a user input field) in Android? org.apache.commons.validator.routines.EmailValidator doesn't seem to be available. Are there any other libraries doing this which are included in Android already or would I have to use RegExp?
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Dump a NumPy array into a csv file
...there a way to dump a NumPy array into a CSV file? I have a 2D NumPy array and need to dump it in human-readable format.
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Meaning of Git checkout double dashes
...t is the meaning of the double dashes before the file name in this git command?
3 Answers
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Get element inside element by class and ID - JavaScript
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Might be good to edit this answer and change .innerHtml to .textContent for the security benefit of copy/paste coders.
– codescribblr
Sep 24 '18 at 18:00
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Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
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After you install redis, type from terminal:
redis-server
and you'll have redis running
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Does uninstalling a package with “pip” also remove the dependent packages?
...nocchio==0.3
As you can see those packages are dependencies from specloud and they're still there, but not the specloud package itself.
As mentioned below, You can install and use the pip-autoremove utility to remove a package plus unused dependencies.
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Change SQLite database mode to read-write
...atabase open at the same time (see the FAQ).
There is a plugin to compress and encrypt the database. It doesn't allow to modify the DB.
Lastly, another FAQ says: "Make sure that the directory containing the database file is also writable to the user executing the CGI script." I think this is because...
Error to run Android Studio
I have installed Android Studio and I followed all steps described here
17 Answers
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How to get 0-padded binary representation of an integer in java?
...umbers to format, you can convert your binary representation to BigInteger and then format that with leading zeros, but this is very costly at runtime, as in:
String.format("%016d", new BigInteger(Integer.toBinaryString(1)))
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NERDTree reload new files
...ened in NERDTree , the only way I can see the file added is if I quit vim and start it again .
4 Answers
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