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biggest integer that can be stored in a double
...be stored, with 52 bits explicitly stored in the mantissa, and then the exponent in effect giving you another one.
253 obviously can be stored, since it's a small power of 2.
Or another way of looking at it: once the bias has been taken off the exponent, and ignoring the sign bit as irrelevant to...
What is token-based authentication?
...resource
for a time period - to the remote
site.
In other words: add one level of indirection for authentication -- instead of having to authenticate with username and password for each protected resource, the user authenticates that way once (within a session of limited duration), obtains a t...
How to run Node.js as a background process and never die?
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Please, to anyone reading this: running a node.js server inside a screen or tmux session is an AMATEUR solution! Don't do that, unless for quick tests. To keep a process running you need to daemonize it! Use proper tools for it, like forev...
How to create a dialog with “yes” and “no” options?
... You can emulate a dialog in HTML (though it won't block like the built-in one). jQuery Dialog is a good example of implementing this kind of thing.
– s4y
Apr 19 '13 at 17:00
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Swing vs JavaFx for desktop applications [closed]
... being equal, probably JavaFX - the API is much more consistent across components. However, this depends much more on how the code is written rather than what library is used to write it.
And what will be faster to build from scratch?
Highly dependent on what you're building. Swing has more co...
How to use pip with Python 3.x alongside Python 2.x
...hings for Python 2-7 with pip-2.7. The pip command will end up pointing to one of these, but I'm not sure which, so you will have to check.
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Best way to store date/time in mongodb
...hen read it back, your application probably converts it to your local timezone, making it seem like the time has changed. But the time is still the same, it's only interpreted from a different timezone perspective. For example 12:50:42Z and 13:50:42+01:00 represent the same moment in time.
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Dynamically replace the contents of a C# method?
...tion is: What's going on in debug mode? And is it possible to replace only one instruction? For example if I want to replace conditional jump on unconditional one? AFAIK you are replacing compiled method, so it's not easy to determine which condition we should replace...
– Alex...
CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
...d, so I want this to refer to the class as well. I can only choose between one assignment for this, so what is the best way to be able to use both variables?
– Andrew Mao
Sep 24 '12 at 18:26
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Convert string to symbol-able in ruby
...g anything is to be able to do and undo an operation. .to_sym can convert one direction (from string to symbol), and .to_s can convert (from symbol to string). and if you are dealing with an array consider .map(&:to_sym) or .map(&to_s) to convert all elements.
– jaso...