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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
I have been googling for about 90 minutes now and still don't have an answer to this. Where do I set default_url_options ? I've already set it for config.action_mailer.default_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an ...
How to make rounded percentages add up to 100%
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@VarunVohra sorry i didn't notice this until now, yes it looks like your algorithm is the same :) not sure why my post is the accepted answer, the obfuscated code was just for the lolz...
– yonilevy
Mar 31 '14 at 10:40
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What is Node.js? [closed]
...vent loops with first class function objects and closures. People already know how to use it this way having used it in the browser to respond to user initiated events.
A lot of people already know JavaScript, even people who do not claim to be programmers. It is arguably the most popular programmin...
Google Play app description formatting
I've made an Android application that is available on Google Play. Now I want to add some more formatting to my app description (eg. indent, links, lists..). But I cannot find any website where possible formatting is listed. Google Help pages cannot help me either on this subject. There exists a lot...
Which @NotNull Java annotation should I use?
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package javax.annotation;
@TypeQualifierNickname
@Nonnull(when = When.UNKNOWN)
@Retention(RUNTIME)
public @interface Nullable {}
package org.checkerframework.checker.nullness.qual;
@Retention(RUNTIME)
@Target({TYPE_USE, TYPE_PARAMETER})
@SubtypeOf({})
@ImplicitFor(
literals = {LiteralKind....
How do I limit task tags to current project in Eclipse?
... the option you want is Filters... And for the newer Eclipse the option is now Configure Contents. At the top of the Configure Contents dialog is a scope selection with options you want, I think.. If not check preferences and search for tasks, or scope. It should be in there somewhere.
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PHP Sort Array By SubArray Value
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Now also as closure:-- usort($array, function($a,$b){ return $b["optionNumber"] - $a["optionNumber"]; });
– Joeri
Dec 3 '14 at 20:34
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bash/fish command to print absolute path to a file
...will still give you a valid path given some relative path. If you want to know about file existence use another tool like e.g. test.
– Benjamin Bannier
Feb 27 '13 at 17:47
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Should Github be used as a CDN for javascript libraries? [closed]
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I hope you know CachedCommons.com is just serving from github.com
– ocodo
Dec 27 '12 at 6:00
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How well is Unicode supported in C++11?
...le to focus on an encoding that was superseded over 20 years ago, I don't know‡. It's not like support for more encodings is bad or anything, but UCS-2 shows up too often here.
I would say that char16_t is obviously meant for storing UTF-16 code units. However, this is one part of the s...