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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...ly disposing it when you're done with the work at hand. In the case of ASP.NET, a unit of work is typically the HTTP request being handled.
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Best way to add comments in erb
...oes not work <html> <body> <form method="POST" action="www.some-url.com"> <input id="data" name="data" value="<%=# "String" %>"> <input type="submit" value="Send"> </form> </body> </html> throws an error
– E...
CSS @font-face not working with Firefox, but working with Chrome and IE
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I've had this problem too. I found the answer here: http://www.dynamicdrive.com/forums/showthread.php?t=63628
This is an example of the solution that works on firefox, you need to add this line to your font face css:
src: local(font name), url("font_name.ttf");
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Is it possible to dynamically compile and execute C# code fragments?
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The best solution in C#/all static .NET languages is to use the CodeDOM for such things. (As a note, its other main purpose is for dynamically constructing bits of code, or even whole classes.)
Here's a nice short example take from LukeH's blog, which uses som...
Sass negative variable value?
...ollowing example:
margin: 0 -#{$pad} 20px -#{$pad};
An example: https://www.sassmeister.com/gist/c9c0208ada0eb1fdd63ae47830917293
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How to compare dates in datetime fields in Postgresql?
...the user enters timestamps then you don't need the ::date + 1 part
http://www.postgresql.org/docs/9.2/static/rangetypes.html
http://www.postgresql.org/docs/9.2/static/functions-range.html
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What does “pending” mean for request in Chrome Developer Window?
What does " Pending " mean under the status column in the " Network " tab of Google Chrome Developer window?
11 Answers
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Is using Random and OrderBy a good shuffle algorithm?
...er.
In that answer, the array is shuffled, then returned using yield. The net result is that the array is kept in memory for the duration of foreach, as well as objects necessary for iteration, and yet the cost is all at the beginning - the yield is basically an empty loop.
This algorithm is used ...
Changing iframe src with Javascript
...ick on link bellow to change iframe content:</p>
<a href="http://www.bing.com" target="search_iframe">Bing</a> -
<a href="http://en.wikipedia.org" target="search_iframe">Wikipedia</a> -
<a href="http://google.com" target="search_iframe">Google</a> (not al...
'float' vs. 'double' precision
... is why the precision is more than doubled.
1: Section 5.2.4.2.2 ( http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf )
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