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In STL maps, is it better to use map::insert than []?
...rt operation gives a strong guarantee, means it doesn't have side effects (https://en.wikipedia.org/wiki/Exception_safety). insert is either completely done or it leaves the map in unmodified state.
http://www.cplusplus.com/reference/map/map/insert/:
If a single element is to be inserted, there...
How to exclude property from Json Serialization
... suffer.
I've published the code here in case anyone wants to add anything
https://github.com/jitbit/JsonIgnoreProps
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Ruby arrays: %w vs %W
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How to check if a string is a valid hex color representation?
..."border", "1px solid "+color);
return ($div.css("border-color")!="")
}
https://gist.github.com/dustinpoissant/22ce25c9e536bb2c5a2a363601ba261c
Note: This requires jQuery
This works for ALL color types not just hex values. It also does not append unnecessary elements to the DOM tree.
...
Removing whitespace between HTML elements when using line breaks
...em:
.image-wrapper {
display: flex;
}
More information about flexbox:
https://css-tricks.com/snippets/css/a-guide-to-flexbox/
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jQuery validate: How to add a rule for regular expression validation?
..., 'Please enter a valid US or Canadian postal code.');
good article here https://web.archive.org/web/20130609222116/http://www.randallmorey.com/blog/2008/mar/16/extending-jquery-form-validation-plugin/
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Best way to create unique token in Rails?
...re are some pretty slick ways of doing this demonstrated in this article:
https://web.archive.org/web/20121026000606/http://blog.logeek.fr/2009/7/2/creating-small-unique-tokens-in-ruby
My favorite listed is this:
rand(36**8).to_s(36)
=> "uur0cj2h"
...
How to use UTF-8 in resource properties with ResourceBundle
...
This problem has finally been fixed in Java 9:
https://docs.oracle.com/javase/9/intl/internationalization-enhancements-jdk-9
Default encoding for properties files is now UTF-8.
Most existing properties files should not be affected: UTF-8 and
ISO-8859-1 have the sam...
Is it possible to create static classes in PHP (like in C#)?
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How to get all enum values in Java?
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