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What is the colon operator in Ruby?
...e
So, comparing a string to a string using equal? fails because they're different objects, even if they are equal content. == compares the content, and the equivalent checks with symbols are much faster.
user system total real
string 0.370000 0.000000 0....
Is there a 'box-shadow-color' property?
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No:
http://www.w3.org/TR/css3-background/#the-box-shadow
You can verify this in Chrome and Firefox by checking the list of computed styles. Other properties that have shorthand methods (like border-radius) have their variations defined in the spec.
As with most missing "long-hand" CSS prope...
indexOf method in an object array?
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It's not supported by IE8 but, if that's not a problem, this is the best solution.
– Antonio Laguna
Nov 22 '13 at 11:56
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How to create composite primary key in SQL Server 2008
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What is the diference between using Primary Key and CONSTRAINT like in the example by @matthew-abbott ?
– mateuscb
Oct 6 '11 at 19:57
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What's the simplest way to test whether a number is a power of 2 in C++?
... 0 is best. However, note that it will incorrectly return true for n=0, so if that is possible, you will want to check for it explicitly.
http://www.graphics.stanford.edu/~seander/bithacks.html has a large collection of clever bit-twiddling algorithms, including this one.
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Set cURL to use local virtual hosts
... url = "curl.haxx.se/docs/manpage.html"
-O
referer = "http://nowhereatall.com/"
# --- End of example file ---
This option can be used multiple times to load multiple config files.
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find filenames NOT ending in specific extensions on Unix?
...the grep command:
find . | grep -v '(dll|exe)$'
The -v flag on grep specifically means "find things that don't match this expression."
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iPhone viewWillAppear not firing
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If you use a navigation controller and set its delegate, then the view{Will,Did}{Appear,Disappear} methods are not invoked.
You need to use the navigation controller delegate methods instead:
navigationController:willShowVi...
Handling very large numbers in Python
... example of a huge integer value, fib(4000000).
But still it does not (for now) supports an arbitrarily large float !!
If you need one big, large, float then check up on the decimal Module. There are examples of use on these foruns: OverflowError: (34, 'Result too large')
Another reference: http://d...