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Best way to iterate through a Perl array
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#2 is good when you do queues (e.g. breadth-first searches): my @todo = $root; while (@todo) { my $node = shift; ...; push @todo, ...; ...; }
– ikegami
Feb 2 '15 at 14:40
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Performance optimization strategies of last resort [closed]
...he original workload.
More diagnosis reveals that it is spending time in queue-management. In-lining these reduces the time to 7 seconds.
Now a big time-taker is the diagnostic printing I had been doing. Flush that - 4 seconds.
Now the biggest time-takers are calls to malloc and free. Recycle obje...
Is it possible to await an event instead of another async method?
...t just push the Wait onto a thread pool thread. SemaphoreSlim has a proper queue of Tasks that are used to implement WaitAsync.
– Stephen Cleary
Oct 12 '12 at 20:29
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MySQL error 2006: mysql server has gone away
I'm running a server at my office to process some files and report the results to a remote MySQL server.
28 Answers
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CSS - Expand float child DIV height to parent's height
...you can set a large amount for padding-bottom. for example
padding-bottom: 5000px
then margin-bottom: -5000px
and then all child divs will be the height of the parent.
Of course this wont work if you are trying to put content in the parent div (outside of other divs that is)
.parent{
bor...
Java: Check if enum contains a given string?
...on exceptions being thrown to find actual exceptional cases that are being retried. (or at least makes it very annoying to do so). Use exceptions for exceptional cases.
– Nickolay Kondratyev
Jan 29 '16 at 0:08
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find filenames NOT ending in specific extensions on Unix?
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find /data1/batch/source/export -type f -not -name "*.dll" -not -name "*.exe"
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Automatically remove Subversion unversioned files
...^| findstr /r "^\?"`) do svn delete --force "%i %j"
If you use this in a batch file you need to double the %:
for /f "usebackq tokens=2*" %%i in (`svn status ^| findstr /r "^\?"`) do svn delete --force "%%i %%j"
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Why is there no Tree class in .NET?
... library in .NET has some excellent data structures for collections (List, Queue, Stack, Dictionary), but oddly enough it does not contain any data structures for binary trees. This is a terribly useful structure for certain algorithms, such as those that take advantage of different traversal paths....
How do I create a SQL table under a different schema?
...dated to note SQL Server 11.03 requiring this be the only statement in the batch.
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