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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
I'm new to ASP MVC and utilizing the Intro to ASP MVC 4 Beta tutorial http://www.asp.net/mvc/tutorials/mvc-4/getting-started-with-aspnet-mvc4/intro-to-aspnet-mvc-4
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Best way to test if a row exists in a MySQL table
...ou could also try EXISTS:
SELECT EXISTS(SELECT * FROM table1 WHERE ...)
and per the documentation, you can SELECT anything.
Traditionally, an EXISTS subquery starts with SELECT *, but it could
begin with SELECT 5 or SELECT column1 or anything at all. MySQL
ignores the SELECT list in such ...
C++ Object Instantiation
I'm a C programmer trying to understand C++. Many tutorials demonstrate object instantiation using a snippet such as:
9 An...
How to delete items from a dictionary while iterating over it?
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EDIT:
This answer will not work for Python3 and will give a RuntimeError.
RuntimeError: dictionary changed size during iteration.
This happens because mydict.keys() returns an iterator not a list.
As pointed out in comments simply convert mydict.keys() to a list ...
While loop to test if a file exists in bash
... using a Bash (or related) shell by typing 'echo $SHELL'. I think that CSH and TCSH use a slightly different semantic for this loop.
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What's the status of multicore programming in Haskell?
...at's the status of multicore programming in Haskell? What projects, tools, and libraries are available now? What experience reports have there been?
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What's wrong with using == to compare floats in Java?
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@P.T Can he multiply epsilon with one numbers and change function to if(Math.abs(sectionID - currentSectionID) < epsilon*sectionID to tackle that issue?
– enthusiasticgeek
Nov 6 '14 at 23:11
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In where shall I use isset() and !empty()
...TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form.
17 Answers
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Reusing output from last command in Bash
Is the output of a Bash command stored in any register? E.g. something similar to $? capturing the output instead of the exit status.
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How do you run your own code alongside Tkinter's event loop?
My little brother is just getting into programming, and for his Science Fair project, he's doing a simulation of a flock of birds in the sky. He's gotten most of his code written, and it works nicely, but the birds need to move every moment .
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