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Checking whether a variable is an integer or not [duplicate]

...t use type. It is almost never the right answer in Python, since it blocks all the flexibility of polymorphism. For instance, if you subclass int, your new class should register as an int, which type will not do: class Spam(int): pass x = Spam(0) type(x) == int # False isinstance(x, int) # True Thi...
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CAP theorem - Availability and Partition Tolerance

...een X and Y, so they can't sync updates. At this point you can either: A) Allow the nodes to get out of sync (giving up consistency), or B) Consider the cluster to be "down" (giving up availability) All the combinations available are: CA - data is consistent between all nodes - as long as all n...
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best way to add license section to iOS settings bundle

... I think I've now managed to solve all the problems I was running into. It seems to be best to use group element titles to hold the licenses (this is what Apple do in the iWork apps). There is however a limit on the length of these (and I've not yet discover...
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How to get image size (height & width) using JavaScript?

... You can programmatically get the image and check the dimensions using Javascript... const img = new Image(); img.onload = function() { alert(this.width + 'x' + this.height); } img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif'; ...
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Will Try / Finally (without the Catch) bubble the exception?

I am almost positive that the answer is YES. If I use a Try Finally block but do not use a Catch block then any exceptions WILL bubble. Correct? ...
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Css height in percent not working [duplicate]

... You need to set a 100% height on all your parent elements, in this case your body and html. This fiddle shows it working. html, body { height: 100%; width: 100%; margin: 0; } div { height: 100%; width: 100%; background: #F52887; } <html><body...
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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?

...d have worked as well as these two numbers? Not every number would be equally "good". So, no. Seeding Strategies There are differences in the default-seeding schema between different versions and implementation of the JRE. public Random() { this(System.currentTimeMillis()); } public Ra...
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How to create Windows EventLog source from command line?

... whilst this worked and created a new source all my events all had "The description for Event ID 0 from source myApp cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted" so I had to edit t...
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data.frame rows to a list

...ts in your list are atomic vectors, not list as the OP requested. It is usually not a problem until your xy.df contains mixed types... – Calimo Feb 28 '14 at 14:40 2 ...
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Preferred way of loading resources in Java

...ings that getResource/getResourceAsStream() will get from the class it is called on... The class loader The starting location So if you do this.getClass().getResource("foo.txt"); it will attempt to load foo.txt from the same package as the "this" class and with the class loader of the "this"...