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Merge / convert multiple PDF files into one PDF
...er to provide out.pdf, or else it will overwrite the last file in your command, sigh.
– mlissner
Oct 19 '13 at 22:20
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How do I update pip itself from inside my virtual environment?
...ng to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version.
16 ...
Assign null to a SqlParameter
...operator that explains the problem
Either the type of first_expression and second_expression must be the same, or an implicit conversion must exist from one type to the other.
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Difference between \b and \B in regex
I am reading a book on regular expression and I came across this example for \b :
9 Answers
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Converting a JS object to an array using jQuery
...ous, the keys don't need to be sequential (i.e. in this example they are 1 and 2 - but they could just as well be a string key or non sequential number
– Simon_Weaver
May 31 '16 at 2:41
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In Rails, how do you render JSON using a view?
Suppose you're in your users controller and you want to get a json response for a show request, it'd be nice if you could create a file in your views/users/ dir, named show.json and after your users#show action is completed, it renders the file.
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How can I pass an argument to a PowerShell script?
...ould it be something like -step '15' or -step "15"
– Andrew Gray
Nov 2 '15 at 0:04
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How can I check if a file exists in Perl?
...supported by the file system).
-p
File is a named pipe (FIFO), or Filehandle is a pipe.
-S
File is a socket.
-b
File is a block special file.
-c
File is a character special file.
-t
Filehandle is opened to a tty.
-u
File has setuid bit set.
-g
File has setgid bit set.
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How do I get the full url of the page I am on in C#
...t:80
Request.Url.LocalPath : /virtual_dir/webapp/page.aspx
Request.Url.PathAndQuery : /virtual_dir/webapp/page.aspx?q=qvalue
Request.Url.Port : 80
Request.Url.Query : ?q=qvalue
Request.Url.Scheme : http
Request.Url.Segments : /
virtual_dir/
webapp/
page.aspx
Hopefully you will fi...
How do I get the current username in Windows PowerShell?
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A quick and dirty alternative would be $env:username to retrieve the user name from the corresponding environment variable.
– guillermooo
Jan 21 '10 at 0:25
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