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How to fix Git error: object file is empty?
...Continue deleting the empty files. You can also cd into the .git directory and run find . -type f -empty -delete -print to remove all empty files. Eventually git started telling me it was actually doing something with the object directories:
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git ...
What is the most efficient Java Collections library? [closed]
... lot of functionality over the normal collections in the JDK.
Personally (and I'm biased) I love Guava (including the former Google Java Collections project). It makes various tasks (including collections) a lot easier, in a way which is at least reasonably efficient. Given that collection operatio...
Why are empty catch blocks a bad idea? [closed]
...catch is a bad idea because you are silently swallowing an error condition and then continuing execution. Occasionally this may be the right thing to do, but often it's a sign that a developer saw an exception, didn't know what to do about it, and so used an empty catch to silence the problem.
I...
Why is using the JavaScript eval function a bad idea?
The eval function is a powerful and easy way to dynamically generate code, so what are the caveats?
26 Answers
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How to check whether a Storage item is set?
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Note removed. Thanks @TimothyZorn and Alnitak
– Christian C. Salvadó
Mar 7 '17 at 22:30
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show 2 m...
How can a Java program get its own process ID?
...ctory.getRuntimeMXBean().getName() looks like the best (closest) solution, and typically includes the PID. It's short, and probably works in every implementation in wide use.
On linux+windows it returns a value like 12345@hostname (12345 being the process id). Beware though that according to the doc...
Private pages for a private Github repo
Couldn't find anything in the github documentation and also here on SO. But I was wondering if there could be a http://foo.github.com for a private repository named foo which is accessible only one had access to the foo repository itself.
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How do I extract a sub-hash from a hash?
...:d=>:D}
h1 = Hash[h1.to_a - h2.to_a] # => {:a=>:A, :c=>:C}
And if you want to patch that into the Hash class:
class Hash
def extract_subhash(*extract)
h2 = self.select{|key, value| extract.include?(key) }
self.delete_if {|key, value| extract.include?(key) }
h2
end
en...
Get the current user, within an ApiController action, without passing the userID as a parameter
...ction always returns null. The user is auth'd, I'm passing a bearer token, and the ApiController has the [Authorize] header
– Joshua Ohana
Feb 22 '15 at 13:52
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Why is super.super.method(); not allowed in Java?
I read this question and thought that would easily be solved (not that it isn't solvable without) if one could write:
22...