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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...s in the array, despite h[1] still giving us a value? Here’s a hint:
h[42] #=> ["a", "b"]
The array returned by each [] call is just the default value, which we’ve been mutating all this time so now contains our new values. Since << doesn’t assign to the hash (there can never be a...
GCC -g vs -g3 GDB Flag: What is the Difference?
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Attach IntelliJ IDEA debugger to a running Java process
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edited Jun 24 '16 at 15:31
answered Jun 11 '15 at 23:27
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What is the difference between Numpy's array() and asarray() functions?
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Since other questions are being redirected to this one which ask about asanyarray or other arra...
NameError: name 'reduce' is not defined in Python
I'm using Python 3.2. Tried this:
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Google Maps V3: How to disable “street view”?
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How do I validate a date string format in python?
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>>> import datetime
>>> def validate(date_text):
try:
datetime.d...
How do I force detach Screen from another SSH session?
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As Jose answered, screen -d -r should do the trick. This is a combination of two commands, as ...
How to access a preexisting collection with Mongoose?
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Mongoose added the ability to specify the collection name under the schema, or as the third ar...
When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
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Example 1
The result of some operation is an array of objects:
[{value: 2}, {value: 4}, {value: 6}]
and you want to compute the minimum and maximum of the values. Lets assume we use two done callbacks:
deferred.then(function(result) {
// result = [{value: 2}, {value: 4}, {value: 6}]
var...