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How to implement the --verbose or -v option into a script?
...unction (or if you're willing to use print as a function in 2.x using from __future__ import print_function) it's even simpler:
verboseprint = print if verbose else lambda *a, **k: None
This way, the function is defined as a do-nothing if verbose mode is off (using a lambda), instead of constantl...
Difference between left join and right join in SQL Server [duplicate]
... two table with following records:
Table A
id firstname lastname
___________________________
1 Ram Thapa
2 sam Koirala
3 abc xyz
6 sruthy abc
Table B
id2 place
_____________
1 Nepal
2 USA
3 Lumbini
5 Kathmandu
Inne...
How do you determine the size of a file in C?
... %s: %s\n",
filename, strerror(errno));
return -1;
}
On 32-bit systems you should compile this with the option -D_FILE_OFFSET_BITS=64, otherwise off_t will only hold values up to 2 GB. See the "Using LFS" section of Large File Support in Linux for details.
...
Match whitespace but not newlines
...usr/bin/env perl
use strict;
use warnings;
use 5.005; # for qr//
my $ws_not_crlf = qr/[^\S\r\n]/;
for (' ', '\f', '\t', '\r', '\n') {
my $qq = qq["$_"];
printf "%-4s => %s\n", $qq,
(eval $qq) =~ $ws_not_crlf ? "match" : "no match";
}
Output:
" " => match
"\f" => match
"\t" ...
What is a singleton in C#?
...Prevent outside instantiation
}
private static readonly Singleton _singleton = new Singleton();
public static Singleton GetSingleton()
{
return _singleton;
}
}
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Converting any string into camel case
...st cases).
– Jules
Oct 19 '17 at 23:32
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Difference between single and double quotes in Bash
...one who doesn't know what "interpolate" means: en.wikipedia.org/wiki/String_interpolation
– Kolob Canyon
May 10 '18 at 17:57
1
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...
32
NSValue (the superclass of NSNumber) will wrap anything you give it. If you want to wrap an instance of 'struct foo' called 'bar', you'd do...
How to Remove ReadOnly Attribute on File Using PowerShell?
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edited May 23 '17 at 12:32
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answered May 21 '09 at 14:22
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Collections.emptyList() vs. new instance
... |
edited Jul 8 at 13:32
shareef
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