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rails - Devise - Handling - devise_error_messages
...::Error
It also appears to be defined in a higher scope (probably coming from the controller), so it can be accessed in a variety of places.
Anywhere in your Helper
module DeviseHelper
def devise_error_messages1!
resource.errors.full_messages.map { |msg| content_tag(:li, msg) }.join
end
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How do I use the lines of a file as arguments of a command?
...in the 'Command Substitution' section.
Alterately, have your command read from stdin, so: mycommand < file.txt
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How to ISO 8601 format a Date with Timezone Offset in JavaScript?
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The sign indicates the offset of the local time from GMT
– Steven Moseley
Jul 2 '13 at 0:50
1
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DateTime to javascript date
From another answer on Stackoverflow is a conversion from Javascript date to .net DateTime:
10 Answers
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How do you convert a time.struct_time object into a datetime object?
... time tuple (in localtime) into seconds since the Epoch, then use datetime.fromtimestamp() to get the datetime object.
from datetime import datetime
from time import mktime
dt = datetime.fromtimestamp(mktime(struct))
shar...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
... table view it will query and which applicable FRC to pull the information from. The FRC delegate methods must also figure out which tableView to update.
It is surprising how much of this is boilerplate code.
Relevant bits of the header file:
@interface BlahViewController : UITableViewController...
Getting the closest string match
...y, but "phrases" which contain 'additional information' (longer) but aside from that still mostly share the same characters suffer a reduced penalty. I used the Value Words function as is, and then my final SearchVal heuristic was defined as =MIN(D2,E2)*0.8+MAX(D2,E2)*0.2 - a weighted average. Which...
Sort a text file by line length including spaces
... " -f2-
In both cases, we have solved your stated problem by moving away from awk for your final cut.
Lines of matching length - what to do in the case of a tie:
The question did not specify whether or not further sorting was wanted for lines of matching length. I've assumed that this is unwant...
How to establish a connection pool in JDBC?
...d too much problems with DBCP under heavy load. Using C3P0 is dead simple. From the documentation:
ComboPooledDataSource cpds = new ComboPooledDataSource();
cpds.setDriverClass( "org.postgresql.Driver" ); //loads the jdbc driver
cpds.setJdbcUrl( "jdbc:postgresql://localhost/testdb" );
cpds.setUser(...
Function for Factorial in Python
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Existing solution
The shortest and probably the fastest solution is:
from math import factorial
print factorial(1000)
Building your own
You can also build your own solution. Generally you have two approaches. The one that suits me best is:
from itertools import imap
def factorial(x):
r...