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How to check if a table exists in a given schema
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answered Jun 6 '14 at 19:58
Erwin BrandstetterErwin Brandstetter
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how to get the current working directory's absolute path from irb
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521
Dir.pwd seems to do the trick.
http://ruby-doc.org/core/Dir.html#method-c-pwd
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How can I use Python to get the system hostname?
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11 Answers
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Is there a predefined enumeration for Month in the .NET library?
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11 Answers
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Finding quaternion representing the rotation from one vector to another
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117
Quaternion q;
vector a = crossproduct(v1, v2);
q.xyz = a;
q.w = sqrt((v1.Length ^ 2) * (v2.Len...
How to Create Multiple Where Clause Query Using Laravel Eloquent?
... more granular wheres passed as an array:
$query->where([
['column_1', '=', 'value_1'],
['column_2', '<>', 'value_2'],
[COLUMN, OPERATOR, VALUE],
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])
Personally I haven't found use-case for this over just multiple where calls, but fact is you can use it.
Since June 20...
Don't understand why UnboundLocalError occurs (closure) [duplicate]
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169
Python doesn't have variable declarations, so it has to figure out the scope of variables itse...
Rolling or sliding window iterator?
...hon iteration can be considered a special case, where the window length is 1. I'm currently using the following code. Does anyone have a more Pythonic, less verbose, or more efficient method for doing this?
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