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How do I change bash history completion to complete what's already on the line?
...h-backward
"\e[B": history-search-forward
or equivalently,
# ~/.bashrc
if [[ $- == *i* ]]
then
bind '"\e[A": history-search-backward'
bind '"\e[B": history-search-forward'
fi
(the if statement checks for interactive mode)
Normally, Up and Down are bound to the Readline functions previ...
Floating point vs integer calculations on modern hardware
... processor to processor (even within the same family such as x86) because different processors have different "pipeline" lengths. Also, some operations are generally very simple (such as addition) and have an accelerated route through the processor, and others (such as division) take much, much lon...
When to encode space to plus (+) or %20?
...application/x-www-form-urlencoded'. This is used for posting form data.
Now, the HTML 2.0 Specification (RFC1866) explicitly said, in section 8.2.2, that the Query part of a GET request's URL string should be encoded as 'application/x-www-form-urlencoded'. This, in theory, suggests that it's le...
Django: accessing session variables from within a template?
If I set a session variable in Django, like:
9 Answers
9
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Change values while iterating
...that range copies the values from the slice you're iterating over.
The specification about range says:
Range expression 1st value 2nd value (if 2nd variable is present)
array or slice a [n]E, *[n]E, or []E index i int a[i] E
So, range us...
Rails.env vs RAILS_ENV
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ENV['RAILS_ENV'] is now deprecated.
You should use Rails.env which is clearly much nicer.
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What is an xs:NCName type and when should it be used?
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NCName is non-colonized name e.g. "name". Compared to QName which is qualified name e.g. "ns:name". If your names are not supposed to be qualified by different namespaces, then they are NCNames.
xs:string puts no restrictions on your names at all, but xs:NCName basically disallows ":" to appear i...
Generate MD5 hash string with T-SQL
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None of the other answers worked for me. Note that SQL Server will give different results if you pass in a hard-coded string versus feed it from a column in your result set. Below is the magic that worked for me to give a perfect match between SQL Server and MySql
select LOWER(CONVERT(VARCHAR(32)...
Regular expression for first and last name
... A-Z does not need to be included in the original example because the i modifier after the expression means ignore case.
– mhanney
Jul 21 '15 at 16:18
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read.csv warning 'EOF within quoted string' prevents complete reading of file
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Thanks, that's an easy fix. Now what do you think about getting fread working in this situation? I prefer that because it's a lot faster than read.csv. But fread doesn't seem to take a quote argument..
– Ben
Jul 1 ...