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Order Bars in ggplot2 bar graph
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The key with ordering is to set the levels of the factor in the order you want. An ordered factor is not required; the extra information in an ordered factor isn't necessary and if these data are being used in any statistical model, the w...
How can we match a^n b^n with Java regex?
...our definition of "good". For example the recursive solution is around one order of magnitude faster than the other one (codepad.viper-7.com/CWgy7c). And it is far easier to understand. The recursive solution is pretty much the direct transformation of the grammar into a regex (actually you could ju...
How to get the browser viewport dimensions?
... others) you must have the <!DOCTYPE html> at the top of the page in order for the code to work.
– Tzury Bar Yochay
May 9 '13 at 7:44
6
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Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
...oadClass("..."); on a Class type to attempt to load a Torque peer class in order to run a static initializer block which maps the peer to a database table. The static block was not executed on this call. However, upon calling Class.forName("..."); for the peer class the static block was executed. +1...
What do Clustered and Non clustered index actually mean?
...h a clustered index the rows are stored physically on the disk in the same order as the index. Therefore, there can be only one clustered index.
With a non clustered index there is a second list that has pointers to the physical rows. You can have many non clustered indices, although each new index...
How to determine if a number is a prime with regex?
...to find some non empty sub-sequence that can be repeated at least twice in order to form the sequence. If such a subsequence exists, it means that its length divides N, hence N is not prime.
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Select top 10 records for each category
...ield1,Field2, Rank()
over (Partition BY Section
ORDER BY RankCriteria DESC ) AS Rank
FROM table
) rs WHERE Rank <= 10
If your RankCriteria has ties then you may return more than 10 rows and Matt's solution may be better for you.
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ASP.NET MVC 3 - Partial vs Display Template vs Editor Template
...en using EditorFor and DropDownListFor to render fields and drop downs. In order to get the ids and names unique we had to render the fields with a prefix depending on the parent partial view that was rendering it:
<div id="div-@(idPrefix)2" class="toHide-@(idPrefix)" style="display:none">...
Using Git with an existing Xcode project
... process, mostly pieced together from the other answers on this page/site. Order is very important here
Open terminal and cd into the directory containing the .xcodeproj file
git init
In finder enter the newly created .git folder (in the same directory as the .xcodeproj file). Find info/exclude, o...
Rails 3: Get Random Record
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Thing.first(:order => "RANDOM()") # For MySQL :order => "RAND()", - thanx, @DanSingerman
# Rails 3
Thing.order("RANDOM()").first
or
Thing.first(:offset => rand(Thing.count))
# Rails 3
Thing.offset(rand(Thing.count)).first
Ac...