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Re-raise exception with a different type and message, preserving existing information
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Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising an exception, to cite an existing exception as the “cause”:
try:
frobnicate()
except KeyError as exc:
raise ValueError("Bad grape") from exc
The caught exception (exc, a KeyError) ...
How to implement an android:background that doesn't stretch?
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11 Answers
11
Active
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How to programmatically show next view in ViewPager?
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154
As blessenm answered viewpager.setCurrentItem(int index) is the way to go.
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How to enter command with password for git pull?
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167
This is not exactly what you asked for, but for http(s):
you can put the password in .netrc ...
Variable's scope in a switch case [duplicate]
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188
I'll repeat what others have said: the scope of the variables in each case clause corresponds ...
NSDictionary - Need to check whether dictionary contains key-value pair or not
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194
Just ask it for the objectForKey:@"b". If it returns nil, no object is set at that key.
if (...
Simple explanation of MapReduce?
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189
Going all the way down to the basics for Map and Reduce.
Map is a function which "transform...
what is the difference between ?:, ?! and ?= in regex?
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160
The difference between ?= and ?! is that the former requires the given expression to match and...
Why does make think the target is up to date?
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edited May 30 '12 at 6:43
answered Oct 14 '10 at 9:30
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Are C++ enums signed or unsigned?
... that it is = your min value (assuming you started at 0 and incremented by 1)?
9 Answers
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