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How to get the second column from command output?
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answered Apr 21 '13 at 22:57
cataycatay
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Lambda function in list comprehensions
Why is the output of the following two list comprehensions different, even though f and the lambda function are the same?
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How to save an image locally using Python whose URL address I already know?
I know the URL of an image on Internet.
13 Answers
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LINQ: Select an object and change some properties without creating a new object
...s of a LINQ query result object without creating a new object and manually setting every property. Is this possible?
11 An...
What does cmd /C mean? [closed]
...utput of internal commands to a pipe or file to be
Unicode
/T:fg Sets the foreground/background colors (see COLOR /? for more info)
/E:ON Enable command extensions (see below)
/E:OFF Disable command extensions (see below)
/F:ON Enable file and directory name completion characters (see...
Functional programming vs Object Oriented programming [closed]
...ware evolution:
Object-oriented languages are good when you have a fixed set of operations on things, and as your code evolves, you primarily add new things. This can be accomplished by adding new classes which implement existing methods, and the existing classes are left alone.
Functional langua...
Reusable library to get human readable version of file size?
... you remove TiB from the list and add an else clause to your for loop that sets unit = "TiB".
– Russell Davis
Jul 16 at 21:30
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Python's many ways of string formatting — are the older ones (going to be) deprecated?
Python has at least six ways of formatting a string:
5 Answers
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Reason for Column is invalid in the select list because it is not contained in either an aggregate f
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Your query will work in MYSQL if you set to disable ONLY_FULL_GROUP_BY server mode (and by default It is). But in this case, you are using different RDBMS. So to make your query work, add all non-aggregated columns to your GROUP BY clause, eg
SELECT col1, col2,...
Why can I add named properties to an array as if it were an object?
...erything in javascript is an object, so you can "abuse" an Array object by setting arbitrary properties on it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, use an Object.
Here's a more concrete example why non-numeric keys don't "fit" an ...