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Unix command to find lines common in two files
...re I once found a unix command which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
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What components are MVC in JSF MVC framework?
In JSF MVC framework who is Model, View, and Controller?
4 Answers
4
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How can I check if multiplying two numbers in Java will cause an overflow?
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Java 8 has Math.multiplyExact, Math.addExact etc. for ints and long. These throw an unchecked ArithmeticException on overflow.
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PHP: Return all dates between two dates in an array [duplicate]
...')
);
Which should get you an array with DateTime objects.
To iterate
foreach ($period as $key => $value) {
//$value->format('Y-m-d')
}
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Is it possible to figure out the parameter type and return type of a lambda?
... the answer in that question, is to use the decltype of the lambda's operator().
template <typename T>
struct function_traits
: public function_traits<decltype(&T::operator())>
{};
// For generic types, directly use the result of the signature of its 'operator()'
template <t...
How to pass json POST data to Web API method as an object?
...lication defines post method to save customer.
Customer is passed in json format in POST request body.
Customer parameter in post method contains null values for properties.
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
This error message is being presented, any suggestions?
21 Answers
21
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What is the difference between save and insert in Mongo DB?
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Save Vs Insert :
In your given examples, the behavior is essentially the same.
save behaves differently if it is passed with an "_id" parameter.
For save, If the document contains _id, it will upsert querying the collection on the _id field, If not, it will insert.
If a docu...
Source code highlighting in LaTeX
... source code in LaTeX. The package listings seems to be the best choice for most use-cases and for me it was, until now.
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MemoryCache does not obey memory limits in configuration
I’m working with the .NET 4.0 MemoryCache class in an application and trying to limit the maximum cache size, but in my tests it does not appear that the cache is actually obeying the limits.
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