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Why are elementwise additions much faster in separate loops than in a combined loop?
Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop.
10 Answers
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Calculate text width with JavaScript
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DomiDomi
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CSV in Python adding an extra carriage return, on Windows
...=csv.QUOTE_NONE, quotechar='', lineterminator='\n')
writer.writerow(['A1' , 'B1', 'C1'])
writer.writerow(['A2' , 'B2', 'C2'])
writer.writerow(['A3' , 'B3', 'C3'])
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How to convert Linux cron jobs to “the Amazon way”?
...sage.
From: http://aws.amazon.com/sqs/faqs/#How_many_times_will_I_receive_each_message
Q: How many times will I receive each message?
Amazon SQS is engineered to provide “at least once” delivery of all messages in its queues. Although most of the time each message will be delivered to ...
How to get certain commit from GitHub project
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When I do git checkout 441b034635240bc873700473af3e98533e94a0b5, this gives an error: fatal: reference is not a tree: 441b034635240bc873700473af3e98533e94a0b5
– ttb
Mar 13 at 17:35
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What is the apply function in Scala?
...ered Aug 17 '17 at 19:38
sdinesh94sdinesh94
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What are Aggregates and PODs and how/why are they special?
...at these are aggregates. So, let's start with them.
Type array_name[n] = {a1, a2, …, am};
if(m == n)
the ith element of the array is initialized with ai
else if(m < n)
the first m elements of the array are initialized with a1, a2, …, am and the other n - m elements are, if possible, va...
Spring @Transactional - isolation, propagation
...h multiple transaction
Scenario 1. If T1 transaction reads data from table A1 that was written by another concurrent transaction T2. If on the way T2 is rollback, the data obtained by T1 is invalid one. E.g. a=2 is original data. If T1 read a=1 that was written by T2. If T2 rollback then a=1 will be...
Multiple modals overlay
... answered Jul 23 '14 at 15:31
A1rPunA1rPun
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Designing function f(f(n)) == -n
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@a1kmm: Sorry, -2³² above should have been -2³¹. Anyway, the case where f(0)≠0 (and so f(0)=-2³¹) is actually the easier case, as we showed these two are disconnected from the rest. The other case we need to consider i...