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Is it possible to set a number to NaN or infinity?
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279
Cast from string using float():
>>> float('NaN')
nan
>>> float('Inf')
inf
&...
How do I sort an array of hashes by a value in the hash?
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216
Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! ...
Java, How do I get current index/key in “for each” loop [duplicate]
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answered Aug 7 '10 at 18:24
Michael MrozekMichael Mrozek
141k2424 gold badges151151 silver badges159159 bronze badges
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Spring @Transactional - isolation, propagation
...d option.
Example of when a dirty read can occur:
thread 1 thread 2
| |
write(x) |
| |
| read(x)
| |
rollback |
v v
value (x) is now dirty (incorrect)
So a sane default (if such can be cla...
Detect application heap size in Android
...lls you how many total bytes of heap your app is allowed to use.
For item 2 above: getMemoryClass()
which can be invoked as follows:
ActivityManager am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
int memoryClass = am.getMemoryClass();
Log.v("onCreate", "memoryClass:" + Integer.toStrin...
Something better than .NET Reflector? [closed]
...p. It's in early stages of development and they just made a release on the 24th of February. That in itself works pretty good for me. From their website:
ILSpy is the open-source .NET assembly
browser and decompiler.
Development started after Red Gate
announced that the free version of
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Using MemoryStore in production
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29
MemoryStore is just for (rapid) development mode, because if your app restarts (process dies) y...
Python: Is it bad form to raise exceptions within __init__?
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162
Raising exceptions within __init__() is absolutely fine. There's no other good way to indicate a...