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What's the use/meaning of the @ character in variable names in C#?

...with a '@' character in C#. In my C# project I was using a web service (I added a web reference to my project) that was written in Java. One of the interface objects defined in the WSDL had a member variable with the name "params". Obviously this is a reserved word in C# so you can't have a class w...
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How can I add a column that doesn't allow nulls in a Postgresql database?

I'm adding a new, "NOT NULL" column to my Postgresql database using the following query (sanitized for the Internet): 8 Ans...
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Is there a way to use shell_exec without waiting for the command to complete?

... How about adding. "> /dev/null 2>/dev/null &" shell_exec('php measurePerformance.php 47 844 email@yahoo.com > /dev/null 2>/dev/null &'); Note this also gets rid of the stdio and stderr. ...
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Wait for page load in Selenium

How do you make Selenium 2.0 wait for the page to load? 47 Answers 47 ...
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“405 method not allowed” in IIS7.5 for “PUT” method

I use WebClient type to upload *.cab files to my server. On the server side, I registered a HTTP handler for *.cab file with the PUT method as below: ...
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findViewByID returns null

First of all: yes, I read all the other threads on this topic. And not only those from this site... (you see, I'm a little frustrated) ...
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java.lang.IllegalStateException: The specified child already has a parent

... Salam El-Banna 2,94911 gold badge1616 silver badges2828 bronze badges answered Apr 4 '12 at 12:09 MedoMedo ...
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Bootstrap right Column on top on mobile view

... SchmalzySchmalzy 15.3k77 gold badges4040 silver badges4545 bronze badges 6 ...
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Is there a UIView resize event?

...sk with observing - Apple does not guarantee KVO works on UIKit classes. Read the discussion with Apple engineer here: When does an associated object get released? original answer: You can use key-value observing: [yourView addObserver:self forKeyPath:@"bounds" options:0 context:nil]; and imple...
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Selecting all text in HTML text input when clicked

... kbtz 11.2k66 gold badges4545 silver badges6868 bronze badges answered Nov 1 '10 at 8:32 Boris PavlovićBoris Pavlović ...