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Split data frame string column into multiple columns
... it returns nothing. What could be the problem. my type is something like "test...score"
– user3841581
Mar 14 '16 at 8:15
2
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How to output git log with the first line only?
...e after the first line. The command above usually works for me, but I just tested on a commit without empty second line. I got the same result as you: the whole message on one line.
Empty second line is a standard in git commit messages. The behaviour you see was probably implemented on purpose.
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Is it possible to disable the network in iOS Simulator?
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+1 : I've used Little Snitch for exactly this purpose, testing to make sure a Simulated app works if the network connection is broken.
– hotpaw2
Jan 26 '11 at 19:41
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Counting null and non-null values in a single query
...ct.
SELECT COUNT(A) NOT_NULL, COUNT(*) - COUNT(A) NULLS
FROM US
In some testing on my system, it costs a full table scan.
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How do I return early from a rake task?
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I used next approach suggested by Simone Carletti, since when testing rake task, abort, which in fact is just a wrapper for exit, is not the desired behavior.
Example:
task auto_invoice: :environment do
if Application.feature_disabled?(:auto_invoice)
$stderr.puts 'Feature is dis...
Command-line svn for Windows?
... I'll upvote this. All I needed was a simple command line client for testing, I didn't want to go through installing something like Tortoise just for that. SlikSvn did the trick.
– Michael Martinez
Jan 3 '19 at 16:24
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How to change bower's default components folder?
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run npm install -g bower-installer
Set up your bower.json
{
"name" : "test",
"version": "0.1",
"dependencies" : {
"jquery-ui" : "latest"
},
"install" : {
"path" : {
"css": "src/css",
"js": "src/js"
},
"sources" : {
"jquery-ui" : [
"components/jq...
SQL DROP TABLE foreign key constraint
...rked wonders in my case since I needed to get rid of an useless table (for testing purposes) while maintaining the rest of the tables that had FK to it intact.
– Mauricio Quintana
Jul 24 '13 at 18:07
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Cocoa Touch: How To Change UIView's Border Color And Thickness?
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Your extension does not work in latest version of Xcode as of today.
– Edgar Aroutiounian
May 9 '15 at 15:54
1
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Saving enum from select in Rails 4.1
...t;%= form.select :status, Contract.statuses.keys, {}%>
</div>
test from Console after adding a record:
2.3.0 :001 > Contract.last.status
Contract Load (0.2ms) SELECT "contracts".* FROM "contracts" ORDER BY "contracts"."id" DESC LIMIT ? [["LIMIT", 1]]
=> "active"
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