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Rails - How to use a Helper Inside a Controller
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Note: This was written and accepted back in the Rails 2 days; nowadays grosser's answer is the way to go.
Option 1: Probably the simplest way is to include your helper module in your controller:
class MyController < ApplicationController
inc...
How to update Identity Column in SQL Server?
I have SQL Server database and I want to change the identity column because it started
with a big number 10010 and it's related with another table, now I have 200 records and I want to fix this issue before the records increases.
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Unable to read data from the transport connection : An existing connection was forcibly closed by th
I have a server app and sometimes, when the client tries to connect, I get the following error:
21 Answers
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How to strip all whitespace from string
...egex is cached, so it's not as slow as you'd imagine. Compiling it beforehand helps some, but would only matter in practice if you call this many times:
$ python -m timeit -s 'import re; e = re.compile(r"\s+")' 'e.sub("", " \t foo \n bar ")'
100000 loops, best of 3: 7.76 usec per loop
Even thoug...
What's “requestCode” used for on PendingIntent?
...ded even in case the alarms' intents are very different (one for service A and one for service B , for example ) ? Also, how come the documentation doesn't say anything about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode?
– android...
new keyword in method signature
...e.
So the 'new' keyword is needed to allow you to 'override' non-virtual and static methods.
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Remove all spaces from a string in SQL Server
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Reference taken from this blog:
First, Create sample table and data:
CREATE TABLE tbl_RemoveExtraSpaces
(
Rno INT
,Name VARCHAR(100)
)
GO
INSERT INTO tbl_RemoveExtraSpaces VALUES (1,'I am Anvesh Patel')
INSERT INTO tbl_RemoveExtraSpaces VALUES (2,'Database Rese...
How to get cumulative sum
... Col1,
SUM(Col1) OVER(ORDER BY RowId ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS Col2
FROM tablehh
ORDER BY RowId
or
SELECT
GroupID,
RowID,
Col1,
SUM(Col1) OVER(PARTITION BY GroupID ORDER BY RowId ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS Col2
FROM tabl...
How to debug PDO database queries?
...could just echo the final SQL query string, try it myself on the database, and tweak it until I fixed the error, then put that back into the code.
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AngularJS - Any way for $http.post to send request parameters instead of JSON?
...ld code that is making an AJAX POST request through jQuery's post method and looks something like this:
13 Answers
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