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How to get the original value of an attribute in Rails
...flow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
Will return the name value before your last save at database (works for save and create)
The...
Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
... to that page, click the button, visit another page, then hit back, you're now on 54.186.79.95/decoywebsite and there's no record of you being on 54.186.79.95/, if cache is disabled, your server will see the "../decoywebsite" request and send a decoy page. Unfortunately, you can't modify the entire ...
MySQL “WITH” clause
...l#recursive_queries
Informix 14.10 and later:
https://www.ibm.com/support/knowledgecenter/SSGU8G_14.1.0/com.ibm.sqls.doc/ids_sqs_with.htm
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Android activity life cycle - what are all these methods for?
...ties are considered active or running if they are in the foreground, also known as the top of the activity stack. This is considered the highest priority activity in the Android Activity stack, and as such will only be killed by the OS in extreme situations, such as if the activity tries to use more...
what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
... transitions.
But the Web has been catching up, and most browser vendors now provide
graphical hardware acceleration by means of particular CSS rules.
Using -webkit-transform: translate3d(0,0,0); will kick the GPU into action for the CSS transitions, making them smoother (higher FPS).
Note: t...
UI Terminology: Logon vs Login [closed]
... catch. Don't even get me started on "doing things everyday" ... which is now apparently correct enough to appear on TV, in signage, and everywhere else except in a dictionary.
– Adam Liss
Jan 2 '09 at 4:51
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Equivalent C++ to Python generator pattern
...y one stack-less and the other stack-full. It's tough nut to crack, so for now I am waiting. In the meantime though, stack-less coroutines are implementable near directly as Input Iterators (just, without the sugar).
– Matthieu M.
Jan 13 '15 at 19:11
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How to pass the values from one activity to previous activity
.... Shared Preferences
Suppose you want to store username. So there will be now two thing a Key Username, Value Value.
How to store
// Create object of SharedPreferences.
SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(this);
//now get Editor
SharedPreferences.Edito...
Has anyone ever got a remote JMX JConsole to work?
It seems that I've never got this to work in the past. Currently, I KNOW it doesn't work.
20 Answers
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When to use setAttribute vs .attribute= in JavaScript?
...o support old browsers, in addition to this information, you will need to know what is broken in the those browsers.
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