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What's the need of array with zero elements?
...xample_large_s
{
u32 first; // align to CL
u32 data;
....
u64 *second; // align to second CL after the first one
....
};
In code you can declare them using GCC extensions like:
__attribute__((aligned(CACHE_LINE_BYTES)))
But you still want to make sure this is enforced in ru...
How to turn on (literally) ALL of GCC's warnings?
...int i) { return i+1; } ?
I think -Weffc++ is too noisy to be useful, it's based on the outdated first edition of Effective C++ and warns about constructs which are perfectly valid C++ (and for which the guidelines changed in later editions of the book.) I don't want to be warned that I haven't init...
How to delete a word and go into insert mode in Vim?
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How to open a file using the open with statement
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Is there an XSLT name-of element?
...uld do it before adding to an RDB, and an xml document is just another database.
– Patanjali
Feb 14 '18 at 3:56
...
Global access to Rake DSL methods is deprecated
...ed out, I ran
bundle update rake
and was finally able to create my database files. I was using rake db:create, but it should work for rake db:migrate as well.
I hope it helps.
share
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improve ...
How to create the most compact mapping n → isprime(n) up to a limit N?
...eally want speed and the range is limited, I implement a pseudo-prime test based on Fermat's little theorem. If I really want more speed (i.e. avoid O(sqrt(N)) algorithm altogether), I precompute the false positives (see Carmichael numbers) and do a binary search. This is by far the fastest test I'v...
How to split one string into multiple strings separated by at least one space in bash shell?
...
@mob what should i do if i want to split the string based on some specific string? example ".xlsx" separator .
– user9518134
Aug 14 '18 at 6:23
...
Intermittent log4net RollingFileAppender locked file issue
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What values should I use for CFBundleVersion and CFBundleShortVersionString?
...to 64 bits.
This has implications for those of us who use CFBundleVersion based on date and time.
I was setting the first field to YYYYMMDD. This is always greater than the max allowed versions and it was leading to unpredictable results, to say the least, when Launch Services was deciding which ...