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CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
When building a class in CoffeeScript, should all the instance method be defined using the => ("fat arrow") operator and all the static methods being defined using the -> operator?
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The order of elements in Dictionary
...when enumerating them:
foreach (KeyValuePair<string, string> kvp in _Dictionary.OrderBy(k => k.Value)) {
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}
In framework 2.0 you would first have to put the items in a list in order to sort them:
List<KeyValuePair<string, string>> items = new List<KeyValuePair<str...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
...p of Statements with Time complexity as given in the question, here is a small list -
O(1) time
Accessing Array Index (int a = ARR[5];)
Inserting a node in Linked List
Pushing and Poping on Stack
Insertion and Removal from Queue
Finding out the parent or left/right child of a node in a tree store...
How can I read a whole file into a string variable
I have lots of small files, I don't want to read them line by line.
5 Answers
5
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How to export query result to csv in Oracle SQL Developer?
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@topr Use method 1, then select all, copy and paste into a text editor and save as csv. You might even be able to paste directly into Excel, but I'm not sure about that.
– Travis
Jan 3 '14 at 20:08
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Use different Python version with virtualenv
... system currently running with python 2.5.4. I got virtualenv properly installed, everything is working fine. Is there a possibility that I can use a virtualenv with a different version of Python?
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How does Google's Page Speed lossless image compression work?
... image can be losslessly compressed, and provide a link to download this smaller image.
9 Answers
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Pretty Printing a pandas dataframe
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I've just found a great tool for that need, it is called tabulate.
It prints tabular data and works with DataFrame.
from tabulate import tabulate
import pandas as pd
df = pd.DataFrame({'col_two' : [0.0001, 1e-005 , 1e-006, 1e-007],
'column_3' : ['ABCD', ...
How to call a JavaScript function from PHP?
How to call a JavaScript function from PHP?
10 Answers
10
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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There is no difference at all.
Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition.
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