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Redefining NULL
I'm writing C code for a system where address 0x0000 is valid and contains port I/O. Therefore, any possible bugs that access a NULL pointer will remain undetected and at the same time cause dangerous behaviour.
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What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i
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Asked the same question to one of Rails-Core's members:
https://twitter.com/luislavena/status/108998968859566080
And the answer:
https://twitter.com/tenderlove/status/108999110136303617
ya, it's fine. Need to clean it up, but nothing is being hurt.
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What are the differences between delegates and events?
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An Event declaration adds a layer of abstraction and protection on the delegate instance. This protection prevents clients of the delegate from resetting the delegate and its invocation list and only allows adding or removing targets from the invocation list.
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how to log in to mysql and query the database from linux terminal
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1.- How do I get mysql prompt in linux terminal?
mysql -u root -p
At the Enter password: prompt, well, enter root's password :)
You can find further reference by typing mysql --help or at the online manual.
2. How I stop the mysql server from ...
Section vs Article HTML5
I have a page made up of various "sections" like videos, a newsfeed etc.. I am a bit confused how to represent these with HTML5. Currently I have them as HTML5 <section> s, but on further inspection it looks they the more correct tag would be <article> . Could anyone shed some light on...
How can I get the list of a columns in a table for a SQLite database?
...eve). I am looking for code that does this with a SQL query. Extra bonus points for metadata related to the columns (e.g. length, data type, etc...)
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How to insert element as a first child?
...";
$("#parent-div").prepend(html);
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div id="parent-div">
<div>Hello World</div>
</div>
<input type="button" value="add" class="add" />...
How do you make div elements display inline?
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edited Jan 20 '18 at 23:21
Community♦
11...
How to format numbers as currency string?
...ecimal separator (we MUST use a decimal separator)
/*
according to [https://stackoverflow.com/questions/411352/how-best-to-determine-if-an-argument-is-not-sent-to-the-javascript-function]
the fastest way to check for not defined parameter is to use typeof value === 'undefined'
rather t...
Entity Framework code first unique column
...ap());
// ...
}
Update 2
for EntityFrameworkCore see also this topic: https://github.com/aspnet/EntityFrameworkCore/issues/1698
Update 3
for EF6.2 see: https://github.com/aspnet/EntityFramework6/issues/274
Update 4
ASP.NET Core Mvc 2.2 with EF Core:
[DatabaseGenerated(DatabaseGeneratedO...