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Difference between os.getenv and os.environ.get
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One difference observed (Python27):
os.environ raises an exception if the environmental variable does not exist.
os.getenv does not raise an exception, but returns None
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Constant Amortized Time
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792
Amortised time explained in simple terms:
If you do an operation say a million times, you don't...
Natural Sort Order in C#
....Unicode)]
private static extern int StrCmpLogicalW(string psz1, string psz2);
Michael Kaplan has some examples of how this function works here, and the changes that were made for Vista to make it work more intuitively. The plus side of this function is that it will have the same behaviour as the ...
Formatting Phone Numbers in PHP
...SMS app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database .
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How to install python3 version of package via pip on Ubuntu?
I have both python2.7 and python3.2 installed in Ubuntu 12.04 .
The symbolic link python links to python2.7 .
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Understanding MongoDB BSON Document size limit
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126
First off, this actually is being raised in the next version to 8MB or 16MB ... but I think to ...
How to debug template binding errors for KnockoutJS?
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12 Answers
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Generating a UUID in Postgres for Insert statement?
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edited Jan 27 '17 at 11:35
rightfold
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JPA eager fetch does not join
...d mapped entity/collection of all root entities retrieved in first query = 2 queries
JOIN => one query to fetch both root entities and all of their mapped entity/collection = 1 query
So SELECT and JOIN are two extremes and SUBSELECT falls in between. One can choose suitable strategy based on he...
JavaScript % (modulo) gives a negative result for negative numbers
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273
Number.prototype.mod = function(n) {
return ((this%n)+n)%n;
};
Taken from this article: ...