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Rotating and spacing axis labels in ggplot2
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1159
Change the last line to
q + theme(axis.text.x = element_text(angle = 90, vjust = 0.5, hjust=1...
How to set a default value for a datetime column to record creation time in a migration?
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This is supported now in Rails 5.
Here is a sample migration:
class CreatePosts < ActiveRecord::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.timestamps
en...
Calculating distance between two points, using latitude longitude?
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Neeme Praks
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answered May 28 '13 at 14:30
David GeorgeDavid G...
Convert a number range to another range, maintaining ratio
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562
NewValue = (((OldValue - OldMin) * (NewMax - NewMin)) / (OldMax - OldMin)) + NewMin
Or a lit...
How to convert an int to string in C?
... integer value to a string.
Here is an example:
int num = 321;
char snum[5];
// convert 123 to string [buf]
itoa(num, snum, 10);
// print our string
printf("%s\n", snum);
If you want to output your structure into a file there is no need to convert any value beforehand. You can just use the p...
Server is already running in Rails
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answered Feb 25 '13 at 17:34
rainkinzrainkinz
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Find text string using jQuery?
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answered May 29 '09 at 15:34
Tony MillerTony Miller
8,71122 gold badges2424 silver badges4646 bronze badges
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How to automatically reload a page after a given period of inactivity
...2
ArtArt
5,57333 gold badges2727 silver badges3232 bronze badges
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How do I POST JSON data with cURL?
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4532
You need to set your content-type to application/json. But -d sends the Content-Type applicati...