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API Versioning for Rails Routes
... skin a cat.
I've updated the answer since to use namespaces and to use 301 redirects -- rather than the default of 302. Thanks to pixeltrix and Bo Jeanes for the prompting on those things.
You might want to wear a really strong helmet because this is going to blow your mind.
The Rails 3 routi...
Run cron job only if it isn't already running
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What is the right way to check for a null string in Objective-C?
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edited Nov 5 '14 at 3:14
answered Jun 10 '09 at 7:45
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IntelliJ Split Window Navigation
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102
Ctrl+Tab and Ctrl+Shift+Tab for Window | Goto Next Splitter and Goto Previous Splitter. Howeve...
FixedThreadPool vs CachedThreadPool: the lesser of two evils
I have a program that spawns threads (~5-150) which perform a bunch of tasks. Originally, I used a FixedThreadPool because this similar question suggested they were better suited for longer lived tasks and with my very limited knowledge of multithreading, I considered the average life of the thr...
iPhone Simulator suddenly started running very slow
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Can I get a patch-compatible output from git-diff?
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If you want to use patch you need to remove the a/ b/ prefixes that git uses by default. You c...
Bash: Strip trailing linebreak from output
...ect everything except the last byte. This should be quite quick:
head -c -1 log.txt
Also, for completeness, you can quickly check where your newline (or other special) characters are in your file using 'cat' and the 'show-all' flag. The dollar sign character will indicate the end of each line:
c...
SQL UPDATE all values in a field with appended string CONCAT not working
...; select * from t;
+------+-------+
| id | data |
+------+-------+
| 1 | max |
| 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnin...
How do I show multiple recaptchas on a single page?
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