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Best way to alphanumeric check in JavaScript
...amp;& // upper alpha (A-Z)
!(code > 96 && code < 123)) { // lower alpha (a-z)
return false;
}
}
return true;
};
Of course, there may be other considerations, such as readability. A one-line regular expression is definitely prettier to look at. But if you're ...
php $_POST array empty upon form submission
...g didn't have a name attribute, and only in IE.
– jkt123
Jul 25 '17 at 18:13
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Getting MAC Address
I need a cross platform method of determining the MAC address of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing ...
How to list the size of each file and directory and sort by descending size in Bash?
... sort -h only works on GNU's version / Linux, no luck with BSD / OS X.
– djule5
Sep 4 '15 at 20:14
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How to stop/terminate a python script from running?
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Is it possible to resume the script after stopping it?
– Gathide
Sep 7 '18 at 12:09
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Importing files from different folder
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Note: This answer was intended for a very specific question. For most programmers coming here from a search engine, this is not the answer you are looking for. Typically you would structure your files into packages (see other answers) instead of modifying the search path.
By default, you c...
How to 'grep' a continuous stream?
Is that possible to use grep on a continuous stream?
12 Answers
12
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Filter dataframe rows if value in column is in a set list of values [duplicate]
...e,
str.contains('pandas', case=False)
would match PANDAS, PanDAs, paNdAs123, and so on.
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What can be the reasons of connection refused errors?
...
There could be many reasons, but the most common are:
The port is not open on the destination machine.
The port is open on the destination machine, but its backlog of pending connections is full.
A firewall between the client and server is blocking access (also...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...le names like unix and assumed that programmers would simply avoid using those names for their own purposes.
The 1989 ANSI C standard introduced rules restricting what symbols an implementation could legally predefine. A macro predefined by the compiler could only have a name starting with two unde...