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Why doesn't Java allow generic subclasses of Throwable?
... an object is of a particular type, you shouldn't be casting it. The whole idea of a cast is that you have more knowledge than the compiler, and are making that knowledge explicitly part of the code.
– kdgregory
Feb 1 '09 at 22:02
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How do I remove the passphrase for the SSH key without having to create a new key?
... logged out your root user cannot use it. Removing the passphrase is a bad idea because anyone with the file can use it.
ssh-keygen -K
Add this to ~/.ssh/config
UseKeychain yes
share
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improve...
Build an iOS app without owning a mac? [closed]
... works just fine if VirtualBox thinks it's High Sierra).
It's also a good idea (though not required) to move the VMDK file you extracted in step 4 to the folder listed under "Machine Folder" (in the screenshot above that would be C:\Users\myname\VirtualBox VMs).
Select the amount of memory that yo...
What's the difference between streams and datagrams in network programming?
...emember where I read it so unfortunately I can't credit the author for the idea, but I've also added a lot of my own knowledge to the core analogy anyway. So here goes:
A stream socket is like a phone call -- one side places the call, the other answers, you say hello to each other (SYN/ACK in TCP)...
Is there a CSS selector by class prefix?
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Good idea about separating it into its own class, but it is possible with CSS selectors. See my answer.
– BoltClock♦
Dec 21 '11 at 10:43
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Python function overloading
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+1 because this is a great idea (and probably what the OP should go with) --- I had never seen a multimethod implementation in Python.
– Escualo
Feb 27 '14 at 5:56
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Given an RGB value, how do I create a tint (or shade)?
...ement, but:
you can only shade or tint your color relatively
you have no idea if your color is already tinted or shaded
HSV or HSB is kind of complex because you need to play with two parameters to get what you want (Saturation & Value / Brightness)
HSL is the best from my point of view:
su...
How to implement if-else statement in XSLT?
...se statement in XSLT but my code just doesn't parse. Does anyone have any ideas?
5 Answers
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What exactly is Type Coercion in Javascript?
...t intro to type systems which I think will help you understand the general idea of type coercion.
The type system of a language defines rules that tell us what types of data exist in that language and how they can be combined using different operators. For example, one such rule might specify that...
How to create a generic array in Java?
...Radiodef - It's debatable whether banning generic array creation is a good idea. regardless, the language does leave a backdoor - vararg requires generic array creation. It is as good as if the language have permitted new E[]. The problem you showed in your example is a general erasure problem, not ...