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Pipe output and capture exit status in Bash
I want to execute a long running command in Bash, and both capture its exit status, and tee its output.
15 Answers
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
.... One hackish option seems to be to parse the string using time.strptime and passing the first six elements of the tuple into the datetime constructor, like:
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Clone Object without reference javascript [duplicate]
I have a big object with much data. And i want to clone this in other variable. When i set some param of the instance B has the same result in the original object:
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What are the basic rules and idioms for operator overloading?
... operators are merely syntactic sugar, their actual work could be done by (and often is forwarded to) plain functions. But it is important that you get this boiler-plate code right. If you fail, either your operator’s code won’t compile or your users’ code won’t compile or your users’ code...
How do you find the row count for all your tables in Postgres
...g number to monitor.
The third way is to note that the system ANALYZE command, which is executed by the autovacuum process regularly as of PostgreSQL 8.3 to update table statistics, also computes a row estimate. You can grab that one like this:
SELECT
nspname AS schemaname,relname,reltuples
FR...
Test if string is a guid without throwing exceptions?
...sid);
}
}
Bottom line: If you need to check if a string is a guid, and you care about performance, use COM Interop.
If you need to convert a guid in String representation to a Guid, use
new Guid(someString);
shar...
How to find out if a Python object is a string?
...a subclass of a string type:
isinstance(o, basestring)
because both str and unicode are subclasses of basestring.
To check if the type of o is exactly str:
type(o) is str
To check if o is an instance of str or any subclass of str:
isinstance(o, str)
The above also work for Unicode strings ...
How do you get a string to a character array in JavaScript?
...o make a array of a string? A string is already an array or am I wrong? "randomstring".length; //12 "randomstring"[2]; //"n"
– Luigi van der Pal
Dec 8 '16 at 11:19
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Length of an integer in Python
...f digits in the integer, you can always convert it to string like str(133) and find its length like len(str(123)).
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Drop rows with all zeros in pandas data frame
I can use pandas dropna() functionality to remove rows with some or all columns set as NA 's. Is there an equivalent function for dropping rows with all columns having value 0?
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