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How to clear/remove observable bindings in Knockout.js?
... of the event handlers (see the answer here for more detail: stackoverflow.com/questions/15063794/…)
– Zac
Oct 22 '13 at 21:53
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Calculate size of Object in Java [duplicate]
...ow much memory (in bytes, hopefully) an object takes up for a project (I'm comparing sizes of data structures) and it seems like there is no method to do this in Java. Supposedly, C/C++ has sizeOf() method, but this is nonexistant in Java. I tried recording the free memory in the JVM with Runtime...
In Jinja2, how do you test if a variable is undefined?
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32
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Rollback to last git commit
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Caveat Emptor - Destructive commands ahead.
Mitigation - git reflog can save you if you need it.
1) UNDO local file changes and KEEP your last commit
git reset --hard
2) UNDO local file changes and REMOVE your last commit
git reset --hard HEAD^
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How to check if all elements of a list matches a condition?
...t answer here is to use all(), which is the builtin for this situation. We combine this with a generator expression to produce the result you want cleanly and efficiently. For example:
>>> items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
True
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Getting reference to the top-most view/window in iOS application
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111
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Parsing JSON with Unix tools
... tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can also do this with tools that are likely already installed o...
Are parallel calls to send/recv on the same socket valid?
...n the case of multiple sends, the second will likely block until the first completes. You probably won't notice this much, as a send completes once its put its data into the socket buffer.
If you're using SOCK_STREAM sockets, trying to do things a parallel is less likely to be useful as send/recv ...
Difference between class and type
...ype, and classes are a kind of a type.
More info here: http://docs.oracle.com/javase/specs/jls/se8/html/jls-4.html
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How to specify jackson to only use fields - preferably globally
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