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How do lexical closures work?
...and the closures all refer to the same i.
Here is the best solution I can come up with - create a function creater and invoke that instead. This will force different environments for each of the functions created, with a different i in each one.
flist = []
for i in xrange(3):
def funcC(j):
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What data type to use for money in Java? [closed]
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How to amend a commit without changing commit message (reusing the previous one)?
Is there a way to amend a commit without vi (or your $EDITOR ) popping up with the option to modify your commit message, but simply reusing the previous message?
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How to create a HashMap with two keys (Key-Pair, Value)?
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@pete Joshua Bloch, in Effective Java ch 3. s 9., recommends, "1. Store some constant nonzero value, say, 17, in an int variable called result ...", which works out better collision-wise if it's a prime. See also: stackoverflow.com/questions/3613102/…
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What's the best practice for putting multiple projects in a git repository? [closed]
...multiple independent branches, called orphan branches. Orphan branches are completely separate from each other; they do not share histories.
git checkout --orphan BRANCHNAME
This creates a new branch, unrelated to your current branch. Each project should be in its own orphaned branch.
Now for wh...
How to detect orientation change?
...Load in my first view it worked perfectly. Just for information if anyone comes across the same issue.
– FractalDoctor
Nov 14 '14 at 10:46
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How to close a Java Swing application from the code
...ed a error (and solving it with System.exit is a very bad idea).
The most common culprits are java.util.Timer and a custom Thread you've created. Both should be set to daemon or must be explicitly killed.
If you want to check for all active frames, you can use Frame.getFrames(). If all Windows/Fra...
How can I override the OnBeforeUnload dialog and replace it with my own?
...eed to warn users about unsaved changes before they leave a page (a pretty common problem).
11 Answers
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How do I use Assert to verify that an exception has been thrown?
... the job done and is a built-in feature for c# programmers, but I do not recommend using it since it is not flexible enough. Consider what happens if the exception type is thrown by your test setup code: test passes, but didn't actually do what you expected. Or what if you want to test the state o...