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pandas: filter rows of DataFrame with operator chaining
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398
I'm not entirely sure what you want, and your last line of code does not help either, but anyway...
Difference between wait and sleep
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368
wait waits for a process to finish; sleep sleeps for a certain amount of seconds.
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C++ : why bool is 8 bits long?
In C++, I'm wondering why the bool type is 8 bits long (on my system), where only one bit is enough to hold the boolean value ?
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How to drop into REPL (Read, Eval, Print, Loop) from Python code
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answered Sep 8 '09 at 20:34
AlexAlex
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How to convert byte array to string and vice versa?
... a String using:
byte[] bytes = {...}
String str = new String(bytes, "UTF-8"); // for UTF-8 encoding
There are a bunch of encodings you can use, look at the Charset class in the Sun javadocs.
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Change UICollectionViewCell size on different device orientations
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followbenfollowben
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Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
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edited Sep 14 '17 at 8:49
A. Chiesa
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answered...
CSS background-image - What is the correct usage?
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Pang
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answered May 12 '09 at 8:36
Alex Rozanski...
Moving decimal places over in a double
...ut.println(new BigDecimal(x));
prints:
0.100000000000000005551115123125782702118158340454101562
12.339999999999999857891452847979962825775146484375
In short, rounding is unavoidable for sensible answers in floating point whether you are doing this explicitly or not.
Note: x / 100 and x * 0.0...
Difference between Key, Primary Key, Unique Key and Index in MySQL
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