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How much size “Null” value takes in SQL Server
I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying :
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Pad a number with leading zeros in JavaScript [duplicate]
In JavaScript, I need to have padding.
9 Answers
9
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Matplotlib 2 Subplots, 1 Colorbar
I've spent entirely too long researching how to get two subplots to share the same y-axis with a single colorbar shared between the two in Matplotlib.
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Java: int array initializes with nonzero elements
According to the JLS, an int array should be filled by zeros just after initialization. However, I am faced with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
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Int division: Why is the result of 1/3 == 0?
I was writing this code:
16 Answers
16
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Pretty printing XML with javascript
I have a string that represents a non indented XML that I would like to pretty-print. For example:
18 Answers
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
Recently I've found MessagePack , an alternative binary serialization format to Google's Protocol Buffers and JSON which also outperforms both.
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Get loop count inside a Python FOR loop
In a Python for loop that iterates over a list we can write:
5 Answers
5
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Change one value based on another value in pandas
I'm trying to reprogram my Stata code into Python for speed improvements, and I was pointed in the direction of PANDAS. I am, however, having a hard time wrapping my head around how to process the data.
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Select by partial string from a pandas DataFrame
I have a DataFrame with 4 columns of which 2 contain string values. I was wondering if there was a way to select rows based on a partial string match against a particular column?
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