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Entity Framework 4 Single() vs First() vs FirstOrDefault()
...of a time finding a comparison of the different ways to query for a single item, and when to use each.
6 Answers
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Can you explain the HttpURLConnection connection process?
...ervice. I know how to use HTTPURLConnection but I want to understand how it works. Basically, I want to know the following:
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Subclipse svn:ignore
.... There are some folders and files I would like to add to svn:ignore, but it's grayed out. Is there an easy way to get subclipse to ignore files and directories?
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Different names of JSON property during serialization and deserialization
Is it possible: to have one field in class, but different names for it during serialization/deserialization in Jackson library?
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How to get an object's properties in JavaScript / jQuery?
In JavaScript / jQuery, if I alert some object, I get either [object] or [object Object]
7 Answers
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How to add semicolon after method call when inside parameter list in IntelliJ IDEA?
... have a statement such as this (where ^ denotes where my cursor currently sits):
3 Answers
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Test if a variable is set in bash when using “set -o nounset”
The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option?
6 A...
move_uploaded_file gives “failed to open stream: Permission denied” error
I keep getting this error when trying to configure the upload directory with Apache 2.2 and PHP 5.3 on CentOS.
13 Answers
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Illegal string offset Warning PHP
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Please try this way.... I have tested this code.... It works....
$memcachedConfig = array("host" => "127.0.0.1","port" => "11211");
print_r($memcachedConfig['host']);
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
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The explanation comes from Agner Fog in Optimizing software in C++ and it reduces to how data is accessed and stored in the cache.
For terms and detailed info, see the wiki entry on caching, I'm gonna narrow it down here.
A cache is organized in sets and lines. At a time, only one set is used,...