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What is the most efficient/elegant way to parse a flat table into a tree?
...g with this data to display a tree, I created a tree_item_iterator utility function which, for each node, should give you sufficient information to generate whatever kind of display you want.
More info about MPTT:
Trees in SQL
Storing Hierarchical Data in a Database
Managing Hierarchical Data in ...
Why should I not include cpp files and instead use a header?
...o when you include all the source files in your project together, there is fundamentally no difference between what you've done, and just making one huge source file without any separation at all.
"Oh, that's no big deal. If it runs, it's fine," I hear you cry. And in a sense, you'd be correct. ...
REST API Best practices: Where to put parameters? [closed]
... I don't like the 2 approach. I would rather preffer /api/genres?songid=123 or /api/songs/{song-id}/genres
– Bart Calixto
Jan 10 '14 at 2:37
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Get last n lines of a file, similar to tail
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123
This may be quicker than yours. Makes no assumptions about line length. Backs through the fi...
How to Implement DOM Data Binding in JavaScript
...'d create a constructor that receives your element and some initial data.
function MyCtor(element, data) {
this.data = data;
this.element = element;
element.value = data;
element.addEventListener("change", this, false);
}
So here the constructor stores the element and data on prop...
Throwing the fattest people off of an overloaded airplane.
...0.3, 157.4, 138.9, 143.0, 145.1, 125.1, 138.5, 143.8, 146.8, 140.1, 136.9, 123.1, 140.2, 153.6, 138.6, 146.5, 143.6, 130.8, 155.7, 128.9, 143.8, 124.0, 134.0, 145.0, 136.0, 121.2, 133.4, 144.0, 126.3, 127.0, 148.3, 144.9, 128.1]
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What's the difference between ASCII and Unicode?
...SCII characters are printable characters of the alphabet such as abc, ABC, 123, ?&!, etc. The others are control characters such as carriage return, line feed, tab, etc.
See below the binary representation of a few characters in ASCII:
0100101 -> % (Percent Sign - 37)
1000001 -> A (Capital...
How can I pair socks from a pile efficiently?
...
The best answer, IMO. While it's fun and clever (and appropriate for SO) to reduce a day-to-day problem to a computer algorithm, it makes much more sense to use the resolution power of man's eye/brain for a set as small as ~60 socks.
– ...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
...s it ever advantageous to use goto in a language that supports loops and functions? If so, why?
25 Answers
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Select by partial string from a pandas DataFrame
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df[df['value'].astype(str).str.contains('1234.+')] for filtering out non-string-type columns.
– François Leblanc
Feb 13 '18 at 20:22
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