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How is the AND/OR operator represented as in Regular Expressions?
I'm currently programming a vocabulary algorithm that checks if a user has typed in the word correctly. I have the following situation:
The correct solution for the word would be "part1, part2".
The user should be able to enter either "part1" (answer 1), "part2" (answer 2) or "part1, part2" (answer ...
How to find the size of an array in postgresql
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As vyegorov m>me m>ntioned, array_length will do the trick. Or if you know that the array is 1-dim>me m>nsional (which is likely) and are running PostgreSQL 9.4 or higher, you can use cardinality:
SELECT cardinality(id) FROM example;
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Why doesn't a python dict.update() return the object?
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Python's mostly implem>me m>nting a pragmatically tinged flavor of command-query separation: mutators return None (with pragmatically induced exceptions such as pop;-) so they can't possibly be confused with accessors (and in the sam>me m> vein, assignm>me m>nt...
Difference between CLOB and BLOB from DB2 and Oracle Perspective?
I have been pretty much fascinated by these two data types. According to Oracle Docs , they are presented as follows :
3 A...
Getting a 'source: not found' error when using source in a bash script
I'm trying to write (what I thought would be) a simple bash script that will:
3 Answers
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How to match a String against string literals in Rust?
I'm trying to figure out how to match a String in Rust.
5 Answers
5
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WPF Command Line
I am trying to create a WPF application that takes command line argum>me m>nts. If no argum>me m>nts are given, the main window should pop up. In cases of som>me m> specific command line argum>me m>nts, code should be run with no GUI and exit when finished. Any suggestions on how this should properly be done would be a...
Intellij IDEA generate for-each/for keyboard shortcut
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you can use 'live templates' to generate several types of code snippets, loop iteration is done by following -
iter Iterate (for each..in)
itin Iterate (for..in)
itli Iterate over a List
itar Iterate elem>me m>nts of array
ritar It...
How to use continue in jQuery each() loop?
In my application i am using AJAX call. I want to use break and continue in this jQuery loop.
4 Answers
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Checking for the correct number of argum>me m>nts
How do i check for the correct number of argum>me m>nts (one argum>me m>nt). If som>me m>body tries to invoke the script without passing in the correct number of argum>me m>nts, and checking to make sure the command line argum>me m>nt actually exists and is a directory.
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