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creating a random number using MYSQL
I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query.
6 A...
What steps should I take to protect my Google Maps API Key?
...ther users.
So :
There is nothing you can do ; this is the way it works
And there is not much you should worry about, I'd say.
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How to use a servlet filter in Java to change an incoming servlet request url?
...raightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part of interest and compose the new path.
Use either ServletRequest#getRequestDispatcher() and then RequestDispatcher#forward() to forward the request/response to the new URL (server-side redirect, n...
How can I implode an array while skipping empty array items?
...k if you have 0 (or any other value that evaluates to false) in your array and you want to keep it. But then you can provide your own callback function.
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Find and replace string values in list
... Performing a comparison between this list comprehension method and the map method (posted by @Anthony Kong), this list method was roughly 2x faster. Also it allowed for inserting multiple replacements into the same call, e.g. resname = [name.replace('DA', 'ADE').replace('DC', 'CYT').repl...
How do I tell CPAN to install all dependencies?
... automatic first-time CPAN configuration:
perl -MCPAN -e 'my $c = "CPAN::HandleConfig"; $c->load(doit => 1, autoconfig => 1); $c->edit(prerequisites_policy => "follow"); $c->edit(build_requires_install_policy => "yes"); $c->commit'
Or combine it with local::lib module for ...
Should I use document.createDocumentFragment or document.createElement
I was reading about document fragments and DOM reflow and wondered how document.createDocumentFragment differed from document.createElement as it looks like neither of them exist in the DOM until I append them to a DOM element.
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How do I make a fully statically linked .exe with Visual Studio Express 2005?
My current preferred C++ environment is the free and largely excellent Microsoft Visual Studio 2005 Express edition. From time to time I have sent release .exe files to other people with pleasing results. However recently I made the disturbing discovery that the pleasing results were based on more l...
Inline code in org-mode
...enclose the text within = or ~ signs to have it typeset in monospaced font and export it verbatim (which means it is not processed for org-specific syntax):
This is =verbatim text= or ~code~.
You'll find all information about org-mode markup elements in the relevant section of the manual.
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Printing the last column of a line in a file
...ed. tail -f means wait for more input, but there are no more lines in file and so the pipe to grep is never closed.
If you omit -f from tail the output is shown immediately:
tail file | grep A1 | awk '{print $NF}'
@EdMorton is right of course. Awk can search for A1 as well, which shortens the ...