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Sorting a tab delimited file
...t' -k3 -nr file.txt
Notice the dollar sign in front of the single-quoted string. You can read about
it in the ANSI-C Quoting sections of the bash man page.
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Removing path and extension from filename in powershell
I have a series of strings which are full paths to files. I'd like to save just the filename, without the file extension and the leading path. So from this:
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How do I strip non alphanumeric characters from a string and keep spaces?
... result you'd want or expect. From the docs "Performs the substitutions of String#gsub in place, returning str, or nil if no substitutions were performed. If no block and no replacement is given, an enumerator is returned instead."
– dft
Jan 20 '16 at 6:45
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How to get the current date/time in Java [duplicate]
...at YYYY.MM.DD-HH.MM.SS (very frequent case) then here's the way to do it:
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(Calendar.getInstance().getTime());
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How to elegantly deal with timezones
...ly update itself. The only thing that they stored were the datetime format string for the locale of the user.
I'm not saying it was the best approach, but it was a different one that I had not seen before. Maybe you'll glean some interesting ideas from it.
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Use cases for NoSQL [closed]
...mically add/remove filters using php data structures and avoiding tedious
string concatenation to build up our queries. With this approach adding/removing filters dinamycally is as easy as adding / removing
elements from an array
Another great benefit comes from the fact that a solution like this ...
How to keep environment variables when using sudo
...le by a feature of the bash builtin printf. The %q produces a shell quoted string. Unlike the parameter expansion in bash 4.4, this works in bash versions < 4.0
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How to print (using cout) a number in binary form?
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Thanks Jerry, I discovered to_string minutes later. FYI, casting doesn't work, the bitset variable is an object of some really arcane-looking bitset3ul (?!) class. Best to let the abstractions do the work!
– nirvanaswap
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How to line-break from css, without using ?
... return. This is CSS, not HTML, so it shall be closer to what you want: no extra markup.
In a blockquote, the example below displays both the title and the source link and separate the two with a carriage return ("\a"):
blockquote[title][cite]:after {
content:attr(title)"\a"attr(cite)
}
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Is there a performance difference between i++ and ++i in C++?
...n the following:
00401000 push 0Ah
00401002 push offset string "Value: %d\n" (402104h)
00401007 call dword ptr [__imp__printf (4020A0h)]
So while it's certainly the case that the postfix version could be slower, it may well be that the optimizer will be good enough to ...