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How persistent is localStorage?
....org/en/DOM/Storage
In DOM Storage it is not possible to specify an expiration period for any of your data. All expiration rules are left up to the user. In the case of Mozilla, most of those rules are inherited from the Cookie-related expiration rules. Because of this you can probably expect most o...
Notification passes old Intent Extras
...LL, notificationIntent, 0);
intents are not created if you send the same params. They are reused.
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How can I verify a Google authentication API access token?
... the expiry time (exp) of the ID token has not passed.
If you passed a hd parameter in the request, verify that the ID token has a hd claim that matches your Google Apps hosted domain.
https://developers.google.com/identity/protocols/OpenIDConnect#validatinganidtoken link has code samples for val...
find vs find_by vs where
...
Model.find
1- Parameter: ID of the object to find.
2- If found: It returns the object (One object only).
3- If not found: raises an ActiveRecord::RecordNotFound exception.
Model.find_by
1- Parameter: key/value
Example:
User.find_by ...
ARC and bridged cast
...
I agree that the description is confusing. Since I just grasped them, I'll try to summarize:
(__bridge_transfer <NSType>) op or alternatively CFBridgingRelease(op) is used to consume a retain-count of a CFTypeRef while transferring it over to...
How do I display an alert dialog on Android?
...tructor that allows you to specify a specific theme resource as the second parameter if you desire to do so.
new AlertDialog.Builder(context)
.setTitle("Delete entry")
.setMessage("Are you sure you want to delete this entry?")
// Specifying a listener allows you to take an action befor...
How do you echo a 4-digit Unicode character in Bash?
... I wouldn't call the above example quick (with 11 commands and their params)... Also it only handles 3 byte UTF-8 chars` (UTF-8 chars can be 1, 2, or 3 bytes)... This is a bit shorter and works for 1-3++++ bytes: printf "\\\x%s" $(printf '☠'|xxd -p -c1 -u) .... xxd is shipped as part of the...
Propagate all arguments in a bash shell script
... very simple script that calls another script, and I need to propagate the parameters from my current script to the script I am executing.
...
How to do ssh with a timeout in a script?
...
http://man7.org/linux/man-pages/man1/timeout.1.html
or you can use the param of ssh:
ssh -o ConnectTimeout=3 user@ip
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Pip freeze vs. pip list
...the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be installed.
You can read more in "Virtualenv and pip Basics",
and the official "Requirements File Format" doc...