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Getting LaTeX into R Plots
... in the following R code: "$z\\frac{a}{b}$" -> "$\z\frac{a}{b}$\"
Also xtable exports tables to latex code
The code:
library(reshape2)
library(plyr)
library(ggplot2)
library(systemfit)
library(xtable)
require(graphics)
require(tikzDevice)
setwd("~/DataFolder/")
Lab5p9 <- read.csv (file="~/...
Background color not showing in print preview
I am trying to print a page. In that page I have given a table a background color.
When I view the print preview in chrome its not taking on the background color property...
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How to get min/max of two integers in Postgres/SQL?
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Have a look at GREATEST and LEAST.
UPDATE my_table
SET my_column = GREATEST(my_column - 10, 0);
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Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
... values in them, even though they start out blank. If you want to stay on stable releases, go ahead and try this out for your situation, but some scenarios may want to use @maxisam's solution until 1.2.0 is released.
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Filter by property
...(modelType, specify):
clause = "SELECT * from %s" % modelType._meta.db_table
if len(specify) > 0:
clause += " WHERE "
for field, eqvalue in specify.items():
clause += "%s = '%s' AND " % (field, eqvalue)
clause = clause [:-5] # remove last AND
pri...
How to list all users in a Linux group?
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Unfortunately, there is no good, portable way to do this that I know of. If you attempt to parse /etc/group, as others are suggesting, you will miss users who have that group as their primary group and anyone who has been added to that group via a mechanism ot...
How to create NSIndexPath for TableView
I need delete row 1 of a table in a function I have defined. In order to use deleteRowAtIndexPath you must use an IndexPath with a section and row defined. How can I create an indexpath like this?
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Debug code-first Entity Framework migration codes
...nd time the migration will not run. This is because the __MigrationHistory table has been updated to say you have migrated to the latest version. To re-test the migration open the package manager console and downgrade to the previous migration:
Update-Database –TargetMigration: ThePreviousMigrati...
Kill a postgresql session/connection
...e(config)
case config['adapter']
when /mysql/
ActiveRecord::Base.establish_connection(config)
ActiveRecord::Base.connection.drop_database config['database']
when /sqlite/
require 'pathname'
path = Pathname.new(config['database'])
file = path.absolute? ? path.to_s : File.joi...
MySQL: Order by field size/length
Here is a table structure (e.g. test):
3 Answers
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