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Using Rails serialize to save hash to database
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The column type is wrong. You should use Text instead of String. Therefore, your migration should be:
def self.up
add_column :users, :multi_wrong, :text
end
Then Rails will properly convert it into YAML for you (and perform proper serialization). Strings fields are limited in size and wi...
Why do all browsers' user agents start with “Mozilla/”?
All popular browsers' user agent strings, even Internet Explorer's, start with Mozilla/ . Why is this the case?
6 Answers
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When should I use a trailing slash in my URL?
When should a trailing slash be used in a URL? For example - should my URL look like /about-us/ or like /about-us ?
8 An...
Redis: Show database size/size for keys
...d out which of the multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that give me more information when monitoring the redis server would be appr...
Disable JavaScript error in WebBrowser control
...ates to a sharepoint site.
My problem is that i am getting JavaScript error.
6 Answers
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LaTeX table positioning
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After doing some more googling I came across the float package which lets you prevent LaTeX from repositioning the tables.
In the preamble:
\usepackage{float}
\restylefloat{table}
Then for each table you can use the H placement option (e.g...
JUnit test with dynamic number of tests
...roject I have several JUnit tests that e.g. take every file from a directory and run a test on it. If I implement a testEveryFileInDirectory method in the TestCase this shows up as only one test that may fail or succeed. But I am interested in the results on each individual file. How can I wri...
How to create nonexistent subdirectories recursively using Bash?
...a quick backup script that will dump some databases into a nice/neat directory structure and I realized that I need to test to make sure that the directories exist before I create them. The code I have works, but it seems that there is a better way to do it. Any suggestions?
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What platforms have something other than 8-bit char?
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char is also 16 bit on the Texas Instruments C54x DSPs, which turned up for example in OMAP2. There are other DSPs out there with 16 and 32 bit char. I think I even heard about a 24-bit DSP, but I can't remember what, so maybe I imagined it.
Another consideration is that POSIX mandates CHAR_BIT =...
Running python script inside ipython
...on without indicating its path? I tried to set PYTHONPATH but it seems to work only for modules.
I would like to execute
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