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Observer Design Pattern vs “Listeners”
It seems to me that the Observer design pattern as described in GOF is really the same thing as Listeners found in various toolkits. Is there a difference between the concepts, or are Listeners and Observers really the same thing.
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How to add an integer to each element in a list?
If I have list=[1,2,3] and I want to add 1 to each element to get the output [2,3,4] ,
how would I do that?
11 Answers...
Proper usage of Java -D command-line parameters
When passing a -D parameter in Java, what is the proper way of writing the command-line and then accessing it from code?
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Jump into interface implementation in Eclipse IDE
... over a method will take you to its declaration? Well I have a method that is part of an interface; clicking F3 over this naturally takes me to the declaring interface.
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Build Error - missing required architecture i386 in file
I'm getting this error when building my iPhone application:
16 Answers
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How to handle a lost KeyStore password in Android?
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See this link
It's unfortunate, but when you lose your keystore, or the password to your keystore, your application is orphaned. The only thing you can do is resubmit your app to the market under a new key.
ALWAYS backup up your ...
Is there any git hook for pull?
...pare gettext *.mo message files) on my project everytime I run git pull . Is there any suitable git hook, which I could use for this purpose please?
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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
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Wall-clock time is the time that a clock on the wall (or a stopwatch in hand) would measure as having elapsed between the start of the process and 'now'.
The user-cpu time and system-cpu time are pretty much as you said - the amount of time...
MySQL error 1449: The user specified as a definer does not exist
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This commonly occurs when exporting views/triggers/procedures from one database or server to another as the user that created that object no longer exists.
You have two options:
1. Change the DEFINER
This is possibly easiest...
Docker: adding a file from a parent directory
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answered Dec 15 '15 at 21:54
BoedyBoedy
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