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How to check if a string contains a substring in Bash
...independent (Bash only!)
For testing strings without care of case, simply convert each string to lower case:
stringContain() {
local _lc=${2,,}
[ -z "$1" ] || { [ -z "${_lc##*${1,,}*}" ] && [ -n "$2" ] ;} ;}
Check:
stringContain 'o "M3' 'echo "my string"' && echo yes || ...
How to create a GUID/UUID in Python
...t; x = uuid.UUID('{00010203-0405-0607-0809-0a0b0c0d0e0f}')
>>> # convert a UUID to a string of hex digits in standard form
>>> str(x)
'00010203-0405-0607-0809-0a0b0c0d0e0f'
>>> # get the raw 16 bytes of the UUID
>>> x.bytes
'\x00\x01\x02\x03\x04\x05\x06\x07\x08\...
How to use subprocess popen Python
...s.popen is being replaced by subprocess.popen, I was wondering how would I convert
3 Answers
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How to remove items from a list while iterating?
...
list(somelist) will convert an iterable into a list. somelist[:] makes a copy of an object that supports slicing. So they don't necessarily do the same thing. In this case I want to make a copy of the somelistobject, so I use [:]
...
Check if a string is a date value
.../ You want to check again for !isNaN(parsedDate) here because Dates can be converted
// to numbers, but a failed Date parse will not.
if (isNaN(date) && !isNaN(parsedDate)) {
/* do your work */
}
share
...
Is there a difference between “throw” and “throw ex”?
... throw ex; // line 43
}
}
private static void DivByZero() {
int x = 0;
int y = 1 / x; // line 49
}
and here is the output:
Exception 1:
at UnitTester.Program.DivByZero() in <snip>\Dev\UnitTester\Program.cs:line 49
at UnitTester.Program.ThrowException1() in <snip&...
Printing all global variables/local variables?
How can I print all global variables/local variables? Is that possible in gdb?
3 Answers
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How to tell when UITableView has completed ReloadData?
...mpletion() }
}
}
...somewhere later...
tableView.reloadData {
print("done")
}
Objective-C:
[UIView animateWithDuration:0 animations:^{
[myTableView reloadData];
} completion:^(BOOL finished) {
//Do something after that...
}];
...
PostgreSQL function for last inserted ID
In PostgreSQL, how do I get the last id inserted into a table?
10 Answers
10
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RestSharp JSON Parameter Posting
...ct(new { A = "foo", B = "bar" }) too which takes the object properties and converts them into parameters
– John Sheehan
Jun 11 '11 at 3:33
63
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