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What is the difference between Θ(n) and O(n)?

...e of the algorithm as n gets larger is at most proportional to g(n). Normally, even when people talk about O(g(n)) they actually mean Θ(g(n)) but technically, there is a difference. More technically: O(n) represents upper bound. Θ(n) means tight bound. Ω(n) represents lower bound. ...
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Facebook share link without JavaScript

...ove it (the onclick part) ... and it will still work. But I can see how it all not 100% clear ... I'll edit it. – King'ori Maina Feb 26 '14 at 16:03 2 ...
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How to check if activity is in foreground or in visible background?

... class. Good choices are your own implementation of the Application or a Service (there are also a few variations of this solution if you'd like to check activity visibility from the service). Example Implement custom Application class (note the isActivityVisible() static method): publi...
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How do I find which program is using port 80 in Windows? [duplicate]

... Then you either need to watch through list carefully or install some additional software. technet.microsoft.com/en-us/sysinternals/bb897437.aspx for example. – n0rd Dec 25 '09 at 8:14 ...
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Django set default form values

...ch is explained here You have two options either populate the value when calling form constructor: form = JournalForm(initial={'tank': 123}) or set the value in the form definition: tank = forms.IntegerField(widget=forms.HiddenInput(), initial=123) ...
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How to remove constraints from my MySQL table?

... Postgres, MSSQL, and Oracle all have alter table .. drop constraint. MySQL is the odd one out, it seems. – Jared Beck Mar 23 '15 at 23:48 ...
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Rename MySQL database [duplicate]

...atabase with the database name you wanted. The short, quick steps without all the above explanation are: mysqldump -u root -p original_database > original_database.sql mysql -u root -p -e "create database my_new_database" mysql -u root -p my_new_database < original_database.sql mysql -u roo...
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Installation Issue with matplotlib Python [duplicate]

I have issue after installing the matplotlib package unable to import matplotlib.pyplot as plt . Any suggestion will be greatly appreciate. ...
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What is the Python equivalent of static variables inside a function?

... there is only one instance of foo - this one function. all invocations access the same variable. – Claudiu Nov 10 '08 at 23:49 124 ...
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SQL Add foreign key to existing column

...sed an error trying to create the relationships to the other table. Thanks all. – ExceptionLimeCat Apr 30 '12 at 20:35 ...