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With arrays, why is it the case that a[5] == 5[a]?

... then a[0] is at 0x1230, a[1] is at 0x1234, a[2] at 0x1238...a[5] at x1244 etc. If we just add 5 to 0x1230, we get 0x1235, which is wrong. – James Curran Dec 19 '08 at 17:21 39 ...
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URL Encode a string in jQuery for an AJAX request

...s with plus signs may work, but if you have other characters (with umlauts etc), you are going to be in heap of trouble. – Uku Loskit Jul 1 '11 at 7:06 1 ...
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Rails: FATAL - Peer authentication failed for user (PG::Error)

... x86_64-unk.... # so version is 9.1 Now Open postgres user vim /etc/postgresql/9.1/main/pg_hba.conf 9.1 is version return form upper command and replace local all postgres peer to local all postgres ...
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Change MySQL default character set to UTF-8 in my.cnf?

...ve that directive and you should be good. Then your configuration file ('/etc/my.cnf' for example) should look like that: [mysqld] collation-server = utf8_unicode_ci init-connect='SET NAMES utf8' character-set-server = utf8 Restart MySQL. For making sure, your MySQL is UTF-8, run the following qu...
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git: Apply changes introduced by commit in one repo to another repo

...om commits you want with git format-patch Optionally, copy patches (0001-* etc.) to your repository Use git am --3way to apply patches share | improve this answer | follow ...
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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:

...mailer, it needs a default email to send out notices such as confirmations etc... You should check the logs on the heroku server heroku logs run that from the console and it will tell you the exact error. When you push to heroku you need to configure the environment.rb file with the heroku subdo...
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Why does CSS not support negative padding?

...rgins defined in different units or are affected by a different font-size, etc. The example below should, ideally have aligned and evenly spaced grey boxes but, sadly they aren't. body { font-family: sans-serif; margin: 2rem; } body > * { margin: 2rem 0 0; } body > :first-ch...
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Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?

...he first version of Java was the 1, then 1.1 - 1.2 - 1.3 - 1.4 - 1.5 - 1.6 etc and usually each version is named by version so JRE 6 means Java jre 1.6, anyway there is the update version, for example 1.6 update 45, which is named java jre 6u45. From what I know, they preferred to use the number 6 ...
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What does (angle brackets) mean in Java?

...ng you want, it doesn't really matter. Moreover, Integer, String, Boolean etc are wrapper classes of Java which help in checking of types during compilation. For example, in the above code, obj is of type String, so you can't add any other type to it (try obj.add(1), it will cast an error). Similar...
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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin

...e requests for visible cells, caching to avoid redundant network requests, etc.). I'm unclear what else you expected in response to the question of "how do I stop the flickering images in my table view". – Rob Sep 7 '16 at 20:09 ...