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How do I check if a string is valid JSON in Python?
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nothing wrong with it, just a noob mistake on my part. It appears I just cant call file.read() twice. But I can set a variable and use it. And thats what I did.
– Joey Blake
Apr 4 '11 at 15:23
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What's the difference between SoftReference and WeakReference in Java?
...mation" somewere, like cached
reflection information about a class, or a wrapper for an object, etc.
Anything that makes no sense to keep after the object it is associated
with is GC-ed. When the weak reference gets cleared, it gets enqueued in a
reference queue that your code polls somewhere, and i...
Fragment onCreateView and onActivityCreated called twice
I'm developing an app using Android 4.0 ICS and fragments.
5 Answers
5
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How to generate keyboard events in Python?
...__name__ == "__main__":
AltTab()
hexKeyCode is the virtual keyboard mapping as defined by the Windows API. The list of codes is available on MSDN: Virtual-Key Codes (Windows)
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List or IList [closed]
...n chasing hate mail as a result. +1 for all of us who hate it when a small app is loaded with interfaces and clicking on "find definition" takes us somewhere OTHER than the source of the problem... Can I borrow the phrase "Architecture Astronauts"? I can see it will come in handy.
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Understanding implicit in Scala
...: String)(implicit p: Prefixer) = p.prefix + s
// then probably in your application
implicit val myImplicitPrefixer = new Prefixer("***")
addPrefix("abc") // returns "***abc"
Implicit conversions
When the compiler finds an expression of the wrong type for the context, it will look for an impl...
Understanding Fragment's setRetainInstance(boolean)
...rwise) to be able to handle all scenarios: e.g. "home key, rotate, back to app" recreates my fragment with constructor call, losing all state variables. I have an AsyncTask as member variable, that's why I want to retain, now, if I want it to work I'm forced to stop the task, save state, and resume ...
Truly understanding the difference between procedural and functional
...comprehensible. Now, functional style:
function allOdd(words) {
return apply(and, map(compose(odd, length), words));
}
Working from the inside out, this definition does the following things:
compose(odd, length) combines the odd and length functions to produce a new function that determines ...
Boost Statechart vs. Meta State Machine
Apparently boost contains two separate libraries for state machines: Statechart and Meta State Machine (MSM). The taglines give very similar descriptions:
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What is the best way to deal with the NSDateFormatter locale “feechur”?
...SS of NSDateFormatter but does not init the NSDateFormatter object itself.
Apparently when this initialization is skipped, setLocale "bounces off", presumably because of some missing data structure in the object. Changing the init to self = [self init]; causes the NSDateFormatter initialization to ...