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How do I test for an empty JavaScript object?
...er an AJAX request, sometimes my application may return an empty object, like:
57 Answers
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Getting Django admin url for an object
...he admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a>
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Regular Expression to get a string between parentheses in Javascript
...ins the value between the parentheses
console.log(matches[1]);
Breakdown:
\( : match an opening parentheses
( : begin capturing group
[^)]+: match one or more non ) characters
) : end capturing group
\) : match closing parentheses
Here is a visual explanation on RegExplained
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Merge two (or more) lists into one, in C# .NET
...e is special-cased for ICollection<T> for efficiency.)
I wouldn't take this approach unless you really have to though.
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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
include MyHelper
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bundle install fails with SSL certificate verification error
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Update
Now that I've karma wh..err mined enough from this answer everyone should know that this should have been fixed.
re: via Ownatik again bundle install fails with SSL certificate verification error
gem update --system
My answer is still ...
How to update Identity Column in SQL Server?
...entity column.
SQL Server does not allow to update the identity column unlike what you can do with other columns with an update statement.
Although there are some alternatives to achieve a similar kind of requirement.
When Identity column value needs to be updated for new records
Use DBCC CHECKID...
Batch equivalent of Bash backticks
When working with Bash, I can put the output of one command into another command like so:
5 Answers
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How do you convert a time.struct_time object into a datetime object?
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Use time.mktime() to convert the 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(...
Excel VBA App stops spontaneously with message “Code execution has been halted”
... a 2nd solution.
Press "Debug" button in the popup.
Press Ctrl+Pause|Break twice.
Hit the play button to continue.
Save the file after completion.
Hope this helps someone.
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