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Why does += behave unexpectedly on lists?
...gt;> a1 = a2 = [1, 2]
>>> b1 = b2 = [1, 2]
>>> a1 += [3] # Uses __iadd__, modifies a1 in-place
>>> b1 = b1 + [3] # Uses __add__, creates new list, assigns it to b1
>>> a2
[1, 2, 3] # a1 and a2 are still the same list
>>> b2
[...
What is the purpose and use of **kwargs?
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13 Answers
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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
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edited May 22 '16 at 3:55
Jonathan Leffler
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Get names of all files from a folder with Ruby
I want to get all file names from a folder using Ruby.
19 Answers
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Append to a file in Go
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answered Oct 13 '12 at 19:00
Sridhar RatnakumarSridhar Ratnakumar
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What are Scala context and view bounds?
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Julian A.
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answered Dec 17 '10 at 1:43
Daniel C. SobralD...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
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363
The difference here is that in the setTextSize(int size) method, the unit type by default is "...
Batch file to copy files from one folder to another folder
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edited Jun 3 '14 at 20:04
answered Jun 12 '09 at 12:57
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Gson: How to exclude specific fields from Serialization without annotations
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634
Any fields you don't want serialized in general you should use the "transient" modifier, and th...
Does reading an entire file leave the file handle open?
...rmination.
-- https://devblogs.microsoft.com/oldnewthing/20100809-00/?p=13203
In particular:
Objects are never explicitly destroyed; however, when they become unreachable they may be garbage-collected. An implementation is allowed to postpone garbage collection or omit it altogether — it is...