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How do you compare structs for equality in C?
... there is no worry about structure garbage and this will allow you to earn time
– MOHAMED
Oct 3 '12 at 9:09
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LINQ to Entities does not recognize the method
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Most of time this the easiest solution but to not load all the object i usually make a anonymous select before the .ToList() with just what i need... xx.Select(x=> new { x.Id, x.DateTimeUpdate}).ToList().Select(x=> new { x.Id,...
What is ANSI format?
...page of whatever machine is being used”. The system codepage is also sometimes known as ‘mbcs’, since on East Asian systems that can be a multiple-byte-per-character encoding. Some code pages can even use top-bit-clear bytes as trailing bytes in a multibyte sequence, so it's not even strict co...
Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
...example. Another example would be a class that computes a value the first time it is requested, and caches the result.
Since c++11 mutable can be used on a lambda to denote that things captured by value are modifiable (they aren't by default):
int x = 0;
auto f1 = [=]() mutable {x = 42;}; // OK...
Find index of last occurrence of a substring in a string
I want to find the position (or index) of the last occurrence of a certain substring in given input string str .
9 Answers...
Create the perfect JPA entity [closed]
I've been working with JPA (implementation Hibernate) for some time now and each time I need to create entities I find myself struggling with issues as AccessType, immutable properties, equals/hashCode, ... .
So I decided to try and find out the general best practice for each issue and write this ...
How do I enable EF migrations for multiple contexts to separate databases?
... get the -o|--outputDir option to work. It kept on giving Microsoft.Dnx.Runtime.Common.Commandline.CommandParsingException: Unrecognized command or argument
However it looks like the first time an migration is added it is added into the Migrations folder, and a subsequent migration for another cont...
Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?
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That said, there are times when macros are handy, like having to perform the same action in multiple files.
– Duane
Jun 4 '14 at 16:22
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How to get the position of a character in Python?
How can I get the position of a character inside a string in python?
9 Answers
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How to convert image to byte array
... This does not seem to be repeatable, or at least after a couple times of converting, strange GDI+ errors start to occur. The ImageConverter solution found below seems to avoid these errors.
– Dave Cousineau
Apr 21 '17 at 22:43
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