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How do I iterate through each element in an n-dimensional matrix in MATLAB?
...ecover the indices for some reason, you still could using these two simple commands: I = cell(1, ndims(array)); [I{:}] = ind2sub(size(array),idx);.
– knedlsepp
Jan 4 '15 at 1:23
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...do some magic with rules, but it's likely going to be a lot messier. I'd recommend the wrap-in-function approach over that any day.
This works for single row, or few row, values. If you're dealing with large amounts of rows for example from a subquery, you're best of splitting it into two queries, ...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...s of objects and allocators).
In C++, resource management is particularly complicated due to the combination of exceptions and (C++ style) templates. For a peek under the hood, see GOTW8).
C++ guarantees that the destructor is called if and only if the constructor succeeded. Relying on that, R...
How to elegantly rename all keys in a hash in Ruby? [duplicate]
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ages = { 'Bruce' => 32, 'Clark' => 28 }
mappings = { 'Bruce' => 'Bruce Wayne', 'Clark' => 'Clark Kent' }
ages.transform_keys(&mappings.method(:[]))
#=> { 'Bruce Wayne' => 32, 'Clark Kent' => 28 }
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Method can be made static, but should it?
...FxCop or Code Analysis states:
"After [marking members as static], the compiler will emit non-virtual call sites to these members which will prevent a check at
runtime for each call that ensures the current object pointer is
non-null. This can result in a measurable performance gain for
pe...
Multiple HttpPost method in Web API controller
...routes in the WebApiConfig that way. Check out this link: docs.microsoft.com/en-us/aspnet/web-api/overview/…
– Rich
Oct 23 '17 at 14:59
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Hibernate: hbm2ddl.auto=update in production?
...h as disabling triggers that were installed for table being modified). For complex schemas the safest way is manual. Automatic with post-regression testing is distant second. All IMHO.
– Vladimir Dyuzhev
Oct 21 '08 at 14:06
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Difference between “git add -A” and “git add .”
The command git add [--all|-A] appears to be identical to git add . . Is this correct? If not, how do they differ?
11 An...
Android - Package Name convention
For the "Hello World" example in android.com , the package name is
"package com.example.helloandroid;"
6 Answers
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Why do people say there is modulo bias when using a random number generator?
...>= (RM - RM % N)) which is of little value for small values of N, but becomes of larger value for large values of N. As mentioned by Slipp D. Thompson, there is a solution which will work only when INT_MAX (IM) > RAND_MAX but breaks when they are equal. However, there is a simple solution for ...