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Code equivalent to the 'let' keyword in chained LINQ extension method calls

...peration; it piggy-backs off of Select. You can see this if you use "reflector" to pull apart an existing dll. it will be something like: var result = names .Select(animalName => new { nameLength = animalName.Length, animalName}) .Where(x=>x.nameLength > 3) .OrderB...
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How do I create an abstract base class in JavaScript?

Is it possible to simulate abstract base class in JavaScript? What is the most elegant way to do it? 16 Answers ...
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Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'

I'm trying to compile a python extension with cython in win 7 64-bit using mingw (64-bit). I'm working with Python 2.6 (Active Python 2.6.6) and with the adequate distutils.cfg file (setting mingw as the compiler) ...
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What is “pom” packaging in maven?

I was given a maven project to compile and get deployed on a tomcat server. I have never used maven before today, but I have been googling quite a bit. It seems like the top level pom.xml files in this project have the packaging type set as pom . ...
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index.php not loading by default

I have just installed CentOS, Apache and PHP. When I visit my site http://example.com/myapp/ , it says "forbidden". By default it's not loading the index.php file. ...
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LaTeX Optional Arguments

... Example from the guide: \newcommand{\example}[2][YYY]{Mandatory arg: #2; Optional arg: #1.} This defines \example to be a command with two arguments, referred to as #1 and #2 in the {<definition>}--nothing new so far. But by adding a second o...
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Date format Mapping to JSON Jackson

... What is the formatting I need to use to carry out conversion with Jackson? Is Date a good field type for this? Date is a fine field type for this. You can make the JSON parse-able pretty easily by using ObjectMapper.setDateFormat: DateFormat df = new S...
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Xcode 4 says “finished running ” on the targeted device — Nothing happens

...p neither installs nor runs on my device. All provisioning profiles are up to date. I've already tried deleting and re-installing them. ...
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How do you scroll up/down on the Linux console?

I recognize that Up / Down will give you the command history. But, how do you look at past output by scrolling up and down? ...
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Windows: How to specify multiline command on command prompt?

how do we extend a command to next line? 4 Answers 4 ...