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POST data in JSON format
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answered Oct 23 '12 at 19:55
J. K.J. K.
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Asynctask vs Thread in android
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edited Mar 25 '19 at 20:48
ividito
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answered Aug 28 ...
Exit a Script On Error
...ho ERROR: Failed to sign $jar_file. Please recheck the variables 1>&2
exit 1 # terminate and indicate error
fi
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What does __FILE__ mean in Ruby?
...he file foo.rb, __FILE__ would be interpreted as "foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output...
DbArithmeticExpression arguments must have a numeric common type
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247
Arithmetic with DateTime is not supported in Entity Framework 6 and earlier. You have to use D...
Rails where condition using NOT NIL
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edited Nov 7 '18 at 23:38
answered Nov 23 '10 at 3:51
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Dynamically select data frame columns using $ and a character value
...s a reproducible example below:
# set seed for reproducibility
set.seed(123)
df <- data.frame( col1 = sample(5,10,repl=T) , col2 = sample(5,10,repl=T) , col3 = sample(5,10,repl=T) )
# We want to sort by 'col3' then by 'col1'
sort_list <- c("col3","col1")
# Use 'do.call' to call order. Se...
How can I wrap text to some length in Vim?
... typing gq. (textwidth can be abbreviated as tw, thus :set tw=30.)
Option 2 can be toggled by running :set wrap / :set nowrap. This will wrap lines which are too long for the window.
Both are independent.
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Python, Matplotlib, subplot: How to set the axis range?
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284
As found in http://www.mofeel.net/582-comp-soft-sys-matlab/54166.aspx
pylab.ylim([0,1000])
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Django import error - no module named django.conf.urls.defaults
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