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MyISAM versus InnoDB [closed]
...30% reads ). This ratio would also include updates which I consider to be one read and one write. The reads can be dirty (e.g. I don't need 100% accurate information at the time of read).
The task in question will be doing over 1 million database transactions an hour.
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Copy file(s) from one project to another using post build event…VS2010
I have a solution with 3 projects in it. I need to copy a view from one project to another. I'm able to copy the created DLL via post build events like so:
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Find and kill a process in one line using bash and regex
...p '[s]leep' which doesn't have sleep in it.
When I was shown this (by someone here on SO), I immediately started using it because
it's one less process than adding | grep -v grep; and
it's elegant and sneaky, a rare combination :-)
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SQL - Update multiple records in one query
... Yee, that's fine but what when I wolud like to update 16 records in one query? I sholud use JOIN x 16 ?
– user3022527
Nov 27 '13 at 23:39
20
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What are inline namespaces for?
... later
} // namespace std
Depending on the value of __cplusplus, either one or the other vector implementation is chosen. If your codebase was written in pre-C++98 times, and you find that the C++98 version of vector is causing trouble for you when you upgrade your compiler, "all" you have to do ...
Why would one omit the close tag?
... may remain unprocessed and the user may still seem unbilled. This is also one of the reasons why needless redirection is evil and if redirection is to be used, it must be used with caution.
You may get "Page loading canceled" type of errors in Internet Explorer, even in the most recent versions. Th...
Generate random numbers uniformly over an entire range
... and generation over a range
With C++11 multiple other options have risen. One of which fits your requirements, for generating a random number in a range, pretty nicely: std::uniform_int_distribution. Here's an example:
const int range_from = 0;
const int range_to = 10;
std::random_device ...
How to get the primary IP address of the local machine on Linux and OS X? [closed]
...f sed from a FreeBSD release of a few years ago. Not sure precisely which one, as OSX has adoped FreeBSD source code a few times over the years. I believe the use of -E was intended to be comparable to grep's -E option. No idea why GNU folks opted for -r instead.
– ghoti
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When to use .First and when to use .FirstOrDefault with LINQ?
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I would use First() when I know or expect the sequence to have at least one element. In other words, when it is an exceptional occurrence that the sequence is empty.
Use FirstOrDefault() when you know that you will need to check whether there was an element or not. In other words, when it is leg...
What's the point of OOP?
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@melaos: the summary is in the middle. OOP is one tool in the toolkit, not the only one, and there is no substitute for training, experience, and judgement.
– Mike Dunlavey
Dec 31 '08 at 14:37
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