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What is the difference between lower bound and tight bound?

... Big O is the upper bound, while Omega is the lower bound. Theta requires both Big O and Omega, so that's why it's referred to as a tight bound (it must be both the upper and lower bound). For example, an algorithm taking Omega(n log n) takes at least n log ...
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How to pause / sleep thread or process in Android?

I want to make a pause between two lines of code, Let me explain a bit: 12 Answers 12...
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Chrome desktop notification example [closed]

How does one use Chrome desktop notifications ? I'd like that use that in my own code. 8 Answers ...
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How can I add a table of contents to a Jupyter / JupyterLab notebook?

The documentation at http://ipython.org/ipython-doc/stable/interactive/notebook.html says 10 Answers ...
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How to run SQL script in MySQL?

...mysql> you have to declare the SQL file as source. mysql> source \home\user\Desktop\test.sql; share | improve this answer | follow | ...
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How do I parallelize a simple Python loop?

...wer, is it possible to have a more comprehensive example? What are the arguments of calc_stuff? – Eduardo Pignatelli Apr 11 '18 at 15:28 4 ...
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How to clear the canvas for redrawing

After experimenting with composite operations and drawing images on the canvas I'm now trying to remove images and compositing. How do I do this? ...
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What is the difference between dict.items() and dict.iteritems() in Python2?

...st of tuples and returned that. That could potentially take a lot of extra memory. Then, generators were introduced to the language in general, and that method was reimplemented as an iterator-generator method named iteritems(). The original remains for backwards compatibility. One of Python 3...
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Stop and Start a service via batch or cmd file?

...at or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)? ...
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Input placeholders for Internet Explorer

HTML5 introduced the placeholder attribute on input elements, which allows to display a greyed-out default text. 17 Ans...