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What columns generally make good indexes?
...ata type that can be given some meaningful order, ie sorted (integer, date etc).
It does not matter if the data in a column is generally increasing. If you create an index on the column, the index will create it's own data structure that will simply reference the actual items in your table without...
Difference between string and char[] types in C++
...to deal with advanced concepts like having COW strings, and non-COW for MT etc, you will need std::string.
If you are worried about copies, as long as you use references, and const references wherever you can, you will not have any overhead due to copies, and it's the same thing as you would be doi...
The shortest possible output from git log containing author and date
...he output is to something other than the tty (which is useful for grepping etc.)
git log -g now contains the reflog selector.
Save 2 parens on refnames and put them at the end (to preserve column alignment)
Truncate relative dates if they are too long (e.g. 3 years, 4..)
Truncate commiter names (mig...
GNU Makefile rule generating a few targets from a single source file
...put of input.in. A few $(widcard...) s, $(filter...) s, $(filter-out...) s etc., should do the trick. Ugh.
– bobbogo
Jan 12 '11 at 20:38
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How do I match any character across multiple lines in a regular expression?
...g. Please let us know what you are using, eg Perl, PHP, CF, C#, sed, awk, etc.
– Ben Doom
Oct 1 '08 at 18:57
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Can I incorporate both SignalR and a RESTful API?
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This implementation is very similar (a bit more polished, includes tests etc.) to what Brad Wilson showed at NDC Oslo - http://vimeo.com/43603472
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What is the minimum length of a valid international phone number?
...ating an international phone number by having different checks like length etc, you can use the Google's libphonenumber library. It can validate a phone number in E164 format directly. It will take into account everything and you don't even need to give the country if the number is in valid E164 for...
Docker - a way to give access to a host USB or serial device?
...Alternatively, assuming your USB device is available with drivers working, etc. on the host in /dev/bus/usb, you can mount this in the container using privileged mode and the volumes option. For example:
docker run -t -i --privileged -v /dev/bus/usb:/dev/bus/usb ubuntu bash
Note that as the name ...
How do I hide javascript code in a webpage?
...ded whitespace is removed, so it can't be read without further processing, etc...
Dynamically include the .js file by programmatically adding script tags (like Google Analytics does). This will make it even more difficult to get to the source code from the View Source command as there will be no ea...
Difference between jQuery’s .hide() and setting CSS to display: none
...viously takes more time to run as it checks for callback functions, speed, etc...
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