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How to empty a Heroku database
...e, if you are using SHARED_DATABASE_URL:
$ heroku pg:reset DATABASE_URL
Now to recreate the database with nothing in it:
$ heroku run rake db:migrate
To populate the database with your seed data:
$ heroku run rake db:seed
---OR---
You can combine the last two (migrate & seed) into on...
JavaScript: How to find out if the user browser is Chrome?
...heck if browser is Google Chrome, try this:
// please note,
// that IE11 now returns undefined again for window.chrome
// and new Opera 30 outputs true for window.chrome
// but needs to check if window.opr is not undefined
// and new IE Edge outputs to true now for window.chrome
// and if not iOS ...
Xcode/Simulator: How to run older iOS version?
...
To anyone else who finds this older question, you can now download all old versions.
Xcode -> Preferences -> Components (Click on Simulators tab).
Install all the versions you want/need.
To show all installed simulators:
Target -> In dropdown "deployment target" cho...
My docker container has no internet
I had it working allright but now it stopped. I tried the following commands with no avail:
22 Answers
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When do items in HTML5 local storage expire?
...parse(localStorage.getItem("key")),
dateString = object.timestamp,
now = new Date().getTime().toString();
compareTime(dateString, now); //to implement
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How to set up a PostgreSQL database in Django
...
@RedRory Thanks, They're fine now ;)
– Alireza Savand
Dec 4 '13 at 23:38
1
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How can I pad an int with leading zeros when using cout
...th of the field to be printed, and that's it.
If you are interested in knowing how the to format output streams in general, I wrote an answer for another question, hope it is useful:
Formatting C++ Console Output.
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How do I change the root directory of an apache server? [closed]
Does anyone know how to change the document root of the Apache server? I basically want localhost to come from /users/spencer/projects directory instead of /var/www .
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How do I turn a python datetime into a string, with readable format date?
...t;from datetime import datetime
>>>"{:%B %d, %Y}".format(datetime.now())
The formatting characters used here are the same as those used by strftime. Don't miss the leading : in the format specifier.
Using format() instead of strftime() in most cases can make the code more readable, easi...
How to undo “git commit --amend” done instead of “git commit”
...happens on top of a different commit from where the current branch head is now.
# Move the current head so that it's pointing at the old commit
# Leave the index intact for redoing the commit.
# HEAD@{1} gives you "the commit that HEAD pointed at before
# it was moved to where it currently point...