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Recommended SQL database design for tags or tagging [closed]
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This is known as the “Toxi” solution, you can find additional information about it here : howto.philippkeller.com/2005/04/24/Tags-Database-schemas
– The Pixel Developer
Jun 28 '09 at 12:41
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How to write trycatch in R
...lly = {
message('All done, quitting.')
}
)
}
Now, running three cases:
A valid case
log_calculator(10)
# 2.30258509299405
# Successfully executed the log(x) call.
# All done, quitting.
A "warning" case
log_calculator(-10)
# Caught an warning!
# <simpleWarning in...
What Computer Science concepts should I know? [closed]
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Take a look at this blog post by Steve Yegge (formerly of Amazon, now at Google):
The Five Essential Phone Screen Questions
It goes into some detail about the the five most important concepts that developers should be required to know:
Basic programming (including recursion, file I/O,...
How to get the sizes of the tables of a MySQL database?
...better that a kilobyte be defined on the decimal system. The IEC standard now calls the base 2 kilobyte (1024 bytes) a kibibyte (KiB). At any rate, MySQL doesn't know, so if you want IEC decimal kilobytes, divide by 1000.
– russellpierce
Sep 17 '15 at 11:38
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Inheriting constructors
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@Mikhail: Both clang and g++ should now support inheriting constructors: clang.llvm.org/cxx_status.html gcc.gnu.org/projects/cxx0x.html Recommend upvoting this one as the correct answer.
– Jan Korous
May 5 '13 at 11:...
Splitting String with delimiter
...swering the question for readers in the future, not just the person asking now. Please edit your answer to add explanations and give an indication of what limitations and assumptions apply.
– Brian
Apr 24 at 13:34
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Java equivalent of unsigned long long?
... 64 bit unsigned integer, via unsigned long long int , or via uint64_t . Now, in Java longs are 64 bits, I know. However, they are signed.
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How to revert Master branch to upstream
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(I'm assuming that the changes that you now want to ignore are at your origin remote, you're on your master branch, and you want to revert to the contents of the upstream remote)
Firstly, reset your working copy to the upstream master:
git remote update
# the dou...
Can you nest html forms?
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I ran into a similar problem, and I know that is not an answer to the question, but it can be of help to someone with this kind of problem:
if there is need to put the elements of two or more forms in a given sequence, the HTML5 <input> form attribute can ...
Does using final for variables in Java improve garbage collection?
... // Doesn't work.
There may be some small optimisation based around the knowledge that the JVM will never have to modify the reference (such as not having check to see if it has changed) but it would be so minor as to not worry about.
Final should be thought of as useful meta-data to the develope...