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R data formats: RData, Rda, Rds etc
What are the main differences between .RData, .Rda and .Rds files?
2 Answers
2
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Target elements with multiple classes, within one rule
I have some HTML that would have elements with multiple classes, and I need to assign them within one rule, so that the same classes could be different within different containers. Say I have this in my CSS:
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What is eager loading?
...on't do any calculations until you access an element of the result matrix; and
Over-eager loading: this is where you try and anticipate what the user will ask for and preload it.
I hope that makes sense in the context you're seeing it.
Let me give you a "Webby" example.
Imagine a page with rollo...
Is $(document).ready necessary?
...odular code to use the document.ready event. Do you really want to go back and debug old code if you reuse it elsewhere?
off-topic:
As a side note: you should use jQuery(function($){...}); instead of $(document).ready(function(){...}); as it forces the alias to $.
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If vs. Switch Speed
...es a hash table to dispatch these. The hash table uses the strings as keys and delegates to the case codes as values.
This has asymptotic better runtime than lots of chained if tests and is actually faster even for relatively few strings.
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Function to return only alpha-numeric characters from string?
I'm looking for a php function that will take an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric.
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Which data type for latitude and longitude?
I am newbie to PostgreSQL and PostGIS. I want to store latitude and longitude values in PostgreSQL 9.1.1 database table. I will calculate distance between two points, find nearer points by using this location values.
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change html text from link with jquery
...ined text
contents of all matched elements. This
method works on both HTML and XML
documents. Cannot be used on input
elements. For input field text use the
val attribute.
For example:
Find the text in the first paragraph
(stripping out the html), then set the
html of the last paragraph to show it...
Difference Between Invoke and DynamicInvoke
What is the difference between Invoke and DynamicInvoke in delegates? Please give me some code example which explain difference between that two methods.
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Finding which process was killed by Linux OOM killer
...@jberryman: For some reason, syslog is in /var/log/syslog on some distros, and /var/log/messages on others. I think it's Debian for the former and Red Hat for the latter, BICBW.
– Tom Anderson
Mar 26 '13 at 11:34
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