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@RequestParam vs @PathVariable

What is the difference between @RequestParam and @PathVariable while handling special characters? 7 Answers ...
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What does -1 mean in numpy reshape?

... (-1,3) but not (-1, -1)). It simply means that it is an unknown dimension and we want numpy to figure it out. And numpy will figure this by looking at the 'length of the array and remaining dimensions' and making sure it satisfies the above mentioned criteria Now see the example. z = np.array([[...
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namedtuple and default values for optional keyword arguments

... I subclassed namedtuple and overrode the __new__ method: from collections import namedtuple class Node(namedtuple('Node', ['value', 'left', 'right'])): __slots__ = () def __new__(cls, value, left=None, right=None): return super(Nod...
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Rails respond_with: how does it work?

I've been reading here and there about how cool the respond_with method is in Rails 3. But I can't even find a reference to it in either the Rails APIs or by searching the source. Can anyone either explain to me how it works (what options you can use, etc) or point me to the place it's actually im...
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How to avoid passing parameters everywhere in play2?

.... In Java I suggest using the Http.Context.args map to store useful values and retrieve them from the templates without having to explicitly pass as templates parameters. Using implicit parameters Place the menus parameter at the end of your main.scala.html template parameters and mark it as “im...
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Meaning of Choreographer messages in Logcat [duplicate]

I installed the latest versions of SDK (API 16) and got the latest ADT. I'm now seeing these messages in the logcat, that I'm quite sure, I haven't seen before. Does anyone have an idea about this? ...
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Android Location Providers - GPS or Network Provider?

... There are 3 location providers in Android. They are: gps –> (GPS, AGPS): Name of the GPS location provider. This provider determines location using satellites. Depending on conditions, this provider may take a while to return a location fi...
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What is the difference between git clone and checkout?

What is the difference between git clone and git checkout ? 5 Answers 5 ...
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Eclipse returns error message “Java was started but returned exit code = 1”

...ine): /!\ make sure, that the -vm option occurs before the -vmargs command. Everything after -vmargs is passed directly to the JVM. -vm c:/wherever/java/jdk1.6.0_21/jre/bin/server/jvm.dll -vmargs... ...to your eclipse.ini file, pointing to the JDK you want to use, and check that the req...
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multiprocessing.Pool: When to use apply, apply_async or map?

...ot seen clear examples with use-cases for Pool.apply , Pool.apply_async and Pool.map . I am mainly using Pool.map ; what are the advantages of others? ...