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How to determine a Python variable's type?
...ariable_name? and will return a whole list of information about the object including the type and the doc string for the type.
e.g.
In [9]: var = 123
In [10]: var?
Type: int
Base Class: <type 'int'>
String Form: 123
Namespace: Interactive
Docstring:
int(x[, base]) -> intege...
How to cherry pick a range of commits and merge into another branch?
...he command will silently fail.
If you want to pick the range B through D (including B) that would be B^..D (instead of B..D).
See "Git create branch from range of previous commits?" as an illustration.
As Jubobs mentions in the comments:
This assumes that B is not a root commit; you'll get an "unk...
How to chain scope queries with OR instead of AND?
...(last_name: name.split(' ').last) }
scope :parent_last_name, ->(name) { includes(:parents).where(last_name: name) }
Then you can find all Persons with first or last name or whose parent with last name
Person.first_or_last_name('John Smith').or.parent_last_name('Smith')
Not the best example f...
How do I escape the wildcard/asterisk character in bash?
...hat it prints.
Note the difference between the first example - "*" is not included in the characters that will be removed by Quote Removal.
I hope this makes sense. In the end the conclusion in the same - just use quotes. I just thought I'd explain why escaping, which logically should work if on...
Why is there no Constant feature in Java?
... of the keyword occurred to allow for an extension of the Java language to include C++-style const methods and pointer to const type. The enhancement request ticket in the Java Community Process for implementing const correctness in Java was closed in 2005, implying that const correctness will proba...
Fixed size queue which automatically dequeues old values upon new enques
I'm using ConcurrentQueue for a shared data structure which purpose is holding the last N objects passed to it (kind of history).
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Python's many ways of string formatting — are the older ones (going to be) deprecated?
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PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
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