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WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance

I'm working to set up Panda on an Amazon EC2 instance. I set up my account and tools last night and had no problem using SSH to interact with my own personal instance, but right now I'm not being allowed permission into Panda's EC2 instance. Getting Started with Panda ...
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Express next function, what is it really for?

...cumentation it says that next('route') can be used to jump to that route and skip all routes in between, but sometimes next is called without arguments. Anybody knows of a good tutorial etc that describes the next function? ...
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Difference Between Select and SelectMany

I've been searching the difference between Select and SelectMany but I haven't been able to find a suitable answer. I need to learn the difference when using LINQ To SQL but all I've found are standard array examples. ...
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C# - Selectively suppress custom Obsolete warnings

...on - introduce a new build configuration that doesn't have them as errors, and only run the unit tests there. Or (ugly) use reflection... – Jon Skeet Aug 14 '19 at 10:30 ...
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Why can't I define a default constructor for a struct in .NET?

...t have a constructor with no parameters. According to this post this is mandated by the CLI specification. What happens is that for every value-type a default constructor is created (by the compiler?) which initialized all members to zero (or null ). ...
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How to create an array of 20 random bytes?

How can I create an array of 20 random bytes in Java? 6 Answers 6 ...
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Programmatically open new pages on Tabs

... Firefox tip, now I have updated my TargetKiller addon to remove "_newtab" and "newtab". :P – thenonhacker Jan 9 '09 at 9:38 1 ...
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Is recursion a feature in and of itself?

... To answer your specific question: No, from the standpoint of learning a language, recursion isn't a feature. If your professor really docked you marks for using a "feature" he hadn't taught yet, that was wrong. Reading between the lines, one possibility is that by using r...
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How to define two fields “unique” as couple

...ax_length=50) class Meta: unique_together = ('field1', 'field2',) And in your case: class Volume(models.Model): id = models.AutoField(primary_key=True) journal_id = models.ForeignKey(Journals, db_column='jid', null=True, verbose_name = "Journal") volume_number = models.CharField('Vol...
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How does the @property decorator work in Python?

I would like to understand how the built-in function property works. What confuses me is that property can also be used as a decorator, but it only takes arguments when used as a built-in function and not when used as a decorator. ...