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Getting time elapsed in Objective-C
... a link with much more information here: https://stackoverflow.com/a/23378064/588476
In light of that information, maybe it is safer to use Apple's function CACurrentMediaTime!
I also benchmarked the mach_timebase_info call and it takes approximately 19ns on my iPhone 6, so I removed the (not thre...
How to normalize a NumPy array to within a certain range?
...eed to convert them using astype. For example,
image = image.astype('float64')
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Why does this code using random strings print “hello world”?
...structed with a specific seed parameter (in this case -229985452 or -147909649), it follows the random number generation algorithm beginning with that seed value.
Every Random constructed with the same seed will generate the same pattern of numbers every time.
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ERROR 2006 (HY000): MySQL server has gone away
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max_allowed_packet=64M
Adding this line into my.cnf file solves my problem.
This is useful when the columns have large values, which cause the issues, you can find the explanation here.
On Windows this file is located at: "C:\ProgramData...
C++ performance vs. Java/C#
...and whatnot.
– Voo
Sep 17 '11 at 22:46
4
See shootout.alioth.debian.org/u32/… for examples of t...
What are the lesser known but useful data structures?
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87
votes
Zippers - derivatives of data structures that modify the structure to have a...
Unresolved external symbol in object files
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I had an error where my project was compiled as x64 project. and I've used a Library that was compiled as x86.
I've recompiled the library as x64 and it solved it.
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Generate class from database table
... WHEN 'bigint' THEN CASE C.IS_NULLABLE
WHEN 'YES' THEN 'Int64?'
ELSE 'Int64'
END
WHEN 'binary' THEN 'Byte[]'
WHEN 'bit' THEN CASE C.IS_NULLABLE
WHEN 'YES' THEN 'bool?'
ELSE 'bool'
END
WHEN 'char' THEN 'st...
WCF timeout exception detailed investigation
...nnection. I saved the payload (525k) to disk. I verified that there were 87 other invocations with similar sized payloads. I did see a few TCP retransmissions, but saw some in other calls as well (that did not fail). Starting to wonder about my networking hardware + cables.
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PostgreSQL error 'Could not connect to server: No such file or directory'
...this issue?
– Evolve
Feb 8 '13 at 3:46
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