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Manually raising (throwing) an exception in Python
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4. raise exception (args) from original_exception
1. raise exception vs. 2. raise exception (args)
If you use raise exception (args) to raise an exception then the args will be printed when you print the exception object - as shown in the example below.
#raise exception (args)
try...
deciding among subprocess, multiprocessing, and thread in Python?
...tency and switching overhead of thread switching (with shared core memory) vs. process/context switching. On Linux this is almost the empty set (Linux process switch times are extremely close to its thread-switches).
threading suffers from two major disadvantages in Python.
One, of course, is imple...
Design patterns or best practices for shell scripts [closed]
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Why getopt vs getopts? getopts is more portable and works in any POSIX shell. Especially since the question is shell best practices instead of specifically bash best practices, I would support POSIX compliance to support multiple shells...
Should I return a Collection or a Stream?
...idea of a naming convention making it obvious that you're getting a stream vs a collection — though I also often expect IDE completion on "get" to tell me what I can get.
– Joshua Goldberg
Feb 1 '16 at 15:59
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How to write a large buffer into a binary file in C++, fast?
...with the same 512 MB buffer the OP is using and I get 20 MB/s with streams vs. 90 MB/s with FILE*.
– Mysticial
Jul 19 '12 at 16:05
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Is JavaScript guaranteed to be single-threaded?
...mply appending an event to the event pump to be processed at a later point vs. doing it now.
– chubbsondubs
Dec 28 '10 at 15:12
34
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Does PHP have threading?
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answered Jan 27 '13 at 15:20
Joe WatkinsJoe Watkins
16.1k44 gold badges3737 silver badges5656 bronze badges
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Context switches much slower in new linux kernels
...RIVATE, 1) = 0
0.000028 futex(0x601b00, FUTEX_WAKE_PRIVATE, 1) = 1
0.000027 futex(0x601b00, FUTEX_WAKE_PRIVATE, 1) = 1
0.000018 futex(0x7fff82f0ec3c, FUTEX_WAKE_PRIVATE, 1) = 0
nanosleep
0.000027 nanosleep({1, 0}, {1, 0}) = 0
0.000019 nanosleep({1, 0}, {1, 0}) = 0
0.000019 nanosleep({1, 0}, {1...
Adding a Method to an Existing Object Instance
... @MartijnPieters any advantages of using the descriptor protocol vs creating a MethodType aside of maybe being a little more readable.
– EndermanAPM
May 10 '17 at 7:57
19...
How to do a FULL OUTER JOIN in MySQL?
... I will use their full names below to reinforce the concept of outer joins vs inner joins.
Left Outer Join
A left outer join, like this:
SELECT *
FROM `t1`
LEFT OUTER JOIN `t2` ON `t1`.`id` = `t2`.`id`;
...would get us all the records from the left table regardless of whether or not they have a...