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How do I use floating-point division in bash?
I am trying to divide two image widths in a Bash script, but bash gives me 0 as the result:
18 Answers
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How do you run a single query through mysql from the command line?
I'm looking to be able to run a single query on a remote server in a scripted task.
5 Answers
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How to detect if a stored procedure already exists
I have to write a deployment script which will work if a stored procedure exists or does not exist. i.e. if it exists, then I need to alter it, otherwise create it.
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Array or List in Java. Which is faster?
I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ?
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Ubuntu rails install fails on zlib
...ls which all seem to work fine, but when I try and use gem install or gem update on anything, I get an error that looks like this:
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With arrays, why is it the case that a[5] == 5[a]?
As Joel points out in Stack Overflow podcast #34 , in C Programming Language (aka: K & R), there is mention of this property of arrays in C: a[5] == 5[a]
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Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Smarty中date_format日期格式化详解在php的smarty模板中date_format是对由php提供过来的时间秒进行转换成日期了，那么date_format函数到底怎么用有什么格式，我们一起来看看。...在php的smarty模板中date_format是对由php提供过来的时间秒进行...
Converting an integer to a hexadecimal string in Ruby
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edited Jun 11 at 20:33
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Setting individual axis limits with facet_wrap and scales = “free” in ggplot2
I'm creating a facetted plot to view predicted vs. actual values side by side with a plot of predicted value vs. residuals. I'll be using shiny to help explore the results of modeling efforts using different training parameters. I train the model with 85% of the data, test on the remaining 15%, a...
Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit
...k for me. This way you don't need to use install_name_tool every time you update your mysql
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
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