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Change the name of the :id parameter in Routing resources for Rails
... in or complaining about a missing [:slug] key if I pass the slug in. Any ideas how to fix?
– RonLugge
Nov 30 '14 at 4:46
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Spinlock versus Semaphore
...e "generally faster", or that they are only useful for "very short tasks" (ideally, no synchronization object should be held for longer than absolutely necessary, ever).
The one important difference is how the different approaches behave in presence of congestion.
A well-designed system normally ha...
Which is more efficient, a for-each loop, or an iterator?
...nt:all Whatever.java does not warn us about this empty loop body. IntelliJ IDEA does though. Admittedly I have configured IntelliJ to use Eclipse Compiler, but that may not be the reason why.
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YouTube iframe API: how do I control an iframe player that's already in the HTML?
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Any idea what event or command to send to the YT iframe to stop listening to the status?
– mkhatib
Feb 16 '16 at 19:54
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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
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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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