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In C#, how to check if a TCP port is available?

...follow | edited Jan 7 '13 at 10:59 Soner Gönül 88.8k3030 gold badges176176 silver badges316316 bronze badges ...
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Best Practice: Initialize JUnit class fields in setUp() or at declaration?

Should I initialize class fields at declaration like this? 9 Answers 9 ...
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How do I clear all options in a dropdown box?

...follow | edited Feb 11 at 10:03 Tal Z 2,3561515 silver badges2626 bronze badges answered ...
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Is mathematics necessary for programming? [closed]

I happened to debate with a friend during college days whether advanced mathematics is necessary for any veteran programmer. He used to argue fiercely against that. He said that programmers need only basic mathematical knowledge from high school or fresh year college math, no more no less, and that ...
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Transferring ownership of an iPhone app on the app store

My team and I have an app which we're going to be submitting to the store pretty soon, but we know that we'll be selling the app to another company in the near future. Does anyone have any experience with moving an app's ownership to another account? ...
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

...gth of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a good reason (whether or not it applies today)? ...
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When should I mock?

... not sure I have a feeling about when/where to use mocking - especially as it would apply to this scenario here . 4 Answer...
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What is the >>>= operator in C?

...les and runs. What is this >>>= operator and the strange 1P1 literal? I have tested in Clang and GCC. There are no warnings and the output is "???" ...
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Checking if a variable is defined?

... Use the defined? keyword (documentation). It will return a String with the kind of the item, or nil if it doesn’t exist. >> a = 1 => 1 >> defined? a => "local-variable" >> defined? b => nil >> defined? nil => "nil" >> ...
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Disadvantages of Test Driven Development? [closed]

... Several downsides (and I'm not claiming there are no benefits - especially when writing the foundation of a project - it'd save a lot of time at the end): Big time investment. For the simple case you lose about 20% of the actual implementation, but for complicated cases you lose m...