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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
... One of the largest Git projects, the Linux kernel,
is beginning to need 12 characters out of the possible 40 to stay
unique.
7 digits is the Git default for a short SHA, so that's fine for most projects. The Kernel team have increased theirs several times, as mentioned, because the have sever...
I want to exception handle 'list index out of range.'
...
Handling the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
share
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How to get item's position in a list?
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12 Answers
12
Active
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...ion
User.select(:first,:email).group(:first,:email).having("count(*) > 1")
Also, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end:
User.select(:first,:email).group(:first,:email).having("count(*) > 1").size
and you'll get...
Proper way to catch exception from JSON.parse
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edited Dec 8 '16 at 20:32
Samuel Bolduc
13.6k55 gold badges3030 silver badges5353 bronze badges
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Python : List of dict, if exists increment a dict value, if not append a new dict
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210
That is a very strange way to organize things. If you stored in a dictionary, this is easy:
#...
How does the const constructor actually work?
...ningful sorting order.
This means that const expressions like const Foo(1, 1) can represent any usable form that is useful for comparison in virtual machine.
The VM only needs to take into account the value type and arguments in the order in which they occur in this const expression. And, of cou...
Algorithm to find Largest prime factor of a number
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134
Actually there are several more efficient ways to find factors of big numbers (for smaller one...
Idiomatic way to convert an InputStream to a String in Scala
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197
For Scala >= 2.11
scala.io.Source.fromInputStream(is).mkString
For Scala < 2.11:
sca...
Running two projects at once in Visual Studio
I created a solution in Visual C# 2010 Express that contains two projects: one is the client, the other is the server. I would like to debug both at the same time, but I can only seem to run one of the projects during debugging.
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