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When I catch an exception, how do I get the type, file, and line number?
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edited Feb 20 '13 at 18:51
David Cain
13.4k1010 gold badges6161 silver badges6868 bronze badges
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How dangerous is it to compare floating point values?
...nt the actual result. An easy example where you can see this is adding x = 0x1fffffe and y = 1 as floats. Here, x has 24 bits of precision in the mantissa (ok) and y has just 1 bit, but when you add them, their bits are not in overlapping places, and the result would need 25 bits of precision. Inste...
Editing dictionary values in a foreach loop
... double percent = colStates[key] / TotalCount;
if (percent < 0.05)
{
OtherCount += colStates[key];
colStates[key] = 0;
}
}
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Creating a list of modifications
List<string> keysToNuke = new List<string>();
foreach(string key in colStates.Keys)
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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
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answered Mar 27 '11 at 4:01
Winston EwertWinston Ewert
39.1k1010 gold badges6262 silver badges7878 bronze badges
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How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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Types in MySQL: BigInt(20) vs Int(20)
...ous that they would allow for larger numbers; however, I can make an Int(20) or a BigInt(20) and that would make seem that it is not necessarily about size.
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Android gradle: buildtoolsVersion vs compileSdkVersion
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200
compileSdkVersion is the API version of Android that you compile against.
buildToolsVersion is...
Select by partial string from a pandas DataFrame
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Based on github issue #620, it looks like you'll soon be able to do the following:
df[df['A'].str.contains("hello")]
Update: vectorized string methods (i.e., Series.str) are available in pandas 0.8.1 and up.
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stash@{1} is ambiguous?
I'm trying to get info about my stash, but git is telling me that stash@{0} and stash@{1} are ambiguous. git stash list works fine, and .git/logs/refs/stash seems to have the appropriate content (not that I'm an expert on git internals).
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How do I read / convert an InputStream into a String in Java?
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edited May 21 '18 at 13:09
Marko Zajc
14811 silver badge1313 bronze badges
answered Nov 21 '08 at 16:5...