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What are Aggregates and PODs and how/why are they special?
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How to read:
This article is rather long. If you want to know about both aggregates and PODs (P...
Meaning of Open hashing and Closed hashing
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Remove a git commit which has not been pushed
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693
Actually, when you use git reset, you should refer to the commit that you are resetting to; so y...
jquery UI dialog: how to initialize without a title bar?
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Difference between json.js and json2.js
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Ruby on Rails Callback, what is difference between :before_save and :before_create?
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How do you create nested dict in Python?
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A nested dict is a dictionary within a dictionary. A very simple thing.
>>> d = {}
&...
What would cause an algorithm to have O(log n) complexity?
...o have that log2 16 = 4. Hmmm... what about 128?
128 / 2 = 64
64 / 2 = 32
32 / 2 = 16
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
This took seven steps, and log2 128 = 7. Is this a coincidence? Nope! There's a good reason for this. Suppose that we divide a number n by 2 i times. Then...
.prop('checked',false) or .removeAttr('checked')?
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jQuery 3
As of jQuery 3, removeAttr does not set the corresponding property to false anymore:
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Appending to an empty DataFrame in Pandas?
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