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The request was aborted: Could not create SSL/TLS secure channel

...12; // Use SecurityProtocolType.Ssl3 if needed for compatibility reasons And now, it works perfectly. ADDENDUM As mentioned by Robin French; if you are getting this problem while configuring PayPal, please note that they won't support SSL3 starting by December, 3rd 2018. You'll need to use TLS...
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What does 'low in coupling and high in cohesion' mean

I have problems understanding the statement low in coupling and high in cohesion . I have googled and read a lot about this, but still finding it hard to understand. ...
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How to “test” NoneType in python?

...ariable has None in it or not. Quoting from is docs, The operators is and is not test for object identity: x is y is true if and only if x and y are the same object. x is not y yields the inverse truth value. Since there can be only one instance of None, is would be the preferred way to check...
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Your branch is ahead of 'origin/master' by 3 commits

... You get that message because you made changes in your local master and you didn't push them to remote. You have several ways to "solve" it and it normally depends on how your workflow looks like: In a good workflow your remote copy of master should be the good one while your local copy of ...
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How can I take more control in ASP.NET?

...ls. It's easier to work with for your purposes. Just use regular HTML tags and put runat="server" and give them an ID. Then you can access them programmatically and code without a ViewState. The only downside is that you won't have access to many of the "helpful" ASP.NET server controls like GridV...
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How to remove unwanted space between rows and columns in table?

How do I remove the extra space between the rows and columns in the table. 14 Answers ...
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When to use in vs ref vs out

...use the parameter keyword out instead of ref . While I (I think) understand the difference between the ref and out keywords (that has been asked before ) and the best explanation seems to be that ref == in and out , what are some (hypothetical or code) examples where I should always use...
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How do SQL EXISTS statements work?

I'm trying to learn SQL and am having a hard time understanding EXISTS statements. I came across this quote about "exists" and don't understand something: ...
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Determine version of Entity Framework I am using?

I believe there are two versions 1 and 2? And version 2 is referred to as Entity Framework 4.0? 10 Answers ...
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xUnit.net: Global setup + teardown?

...y to create one. Just create a base test class that implements IDisposable and do your initialization in the constructor and your teardown in the IDisposable.Dispose method. This would look like this: public abstract class TestsBase : IDisposable { protected TestsBase() { // Do "glo...