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Random data in Unit Tests?
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There's a compromise. Your coworker is actually onto something, but I think he's doing it wrong. I'm not sure that totally random testing is very useful, but it's certainly not invalid.
A program (or unit) specification is a hypothesis that there exists some program that meets i...
What is the most frequent concurrency issue you've encountered in Java? [closed]
...on. So, please leave one specific answer of a Java concurrency bug per comment and vote up if you see one you've encountered.
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How do I split a string with multiple separators in javascript?
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Pass in a regexp as the parameter:
js> "Hello awesome, world!".split(/[\s,]+/)
Hello,awesome,world!
Edited to add:
You can get the last element by selecting the length of the array minus 1:
>>> bits = "Hello awesome, world!".split(/[\s,...
Passing base64 encoded strings in URL
Is it safe to pass raw base64 encoded strings via GET parameters?
10 Answers
10
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Convert a list of data frames into one data frame
I have code that at one place ends up with a list of data frames which I really want to convert to a single big data frame.
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Rails 4: List of available datatypes
...ails 4 (ActiveRecord migration) datatypes:
:binary
:boolean
:date
:datetime
:decimal
:float
:integer
:bigint
:primary_key
:references
:string
:text
:time
:timestamp
Source: http://api.rubyonrails.org/classes/ActiveRecord/ConnectionAdapters/SchemaStatements.html#method-i-add_column
These are the ...
How do I measure request and response times at once using cURL?
...our purposes we’ll focus just on the timing details that are provided. Times below are in seconds.
Create a new file, curl-format.txt, and paste in:
time_namelookup: %{time_namelookup}s\n
time_connect: %{time_connect}s\n
time_appconnect: %{time_appconnect}s\n
time_pretransf...
Font size in CSS - % or em?
...ec, and completely avoids certain really annoying browser quirks when it comes to em-based line-heights
– Már Örlygsson
Oct 29 '08 at 3:39
17
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Procedure expects parameter which was not supplied
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What is the difference between tree depth and height?
...ht of its root node,or equivalently, the depth of its deepest node.
The diameter (or width) of a tree is the number of nodes on the longest path between any two leaf nodes. The tree below has a diameter of 6 nodes.
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