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BigDecimal equals() versus compareTo()
...e (thus 2.0 is not equal to 2.00 when compared by this method).
In other words: equals() checks if the BigDecimal objects are exactly the same in every aspect. compareTo() "only" compares their numeric value.
As to why equals() behaves this way, this has been answered in this SO question.
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Prevent line-break of span element
...t line-breaks on space characters, you can use   entities between words:
No line break
instead of
<span style="white-space:nowrap">No line break</span>
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Why is quicksort better than mergesort?
...e on the other two both terms are different for each comparison. In other words, Quicksort does half as many reads as the other two algorithms. On modern CPUs performance is heavily dominated by access times, so in the end Quicksort ends up being a great first choice.
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Embed SVG in SVG?
...lock it by adding this attribute:
sodipodi:insensitive="true"
In other words:
<use xlink:href="OTHERFILE.svg#layer1" sodipodi:insensitive="true" y="0" x="0" />
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What's the _ underscore representative of in Swift References?
...twice, because "action" is already a part of the function's name. In other words, they don't want you to write sprite.runAction(action:moveGroundSpritesForever). The purpose of external parameter names was to make your code "read like a sentence"; using action twice would defeat the purpose of that....
Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
...ing a typedef the other order via "using" though, it becomes clearer which word the asterisk belongs with in a typedef, since the first one works, and the second is uncompilable nonsense. (a) using CatPointer = Cat*; (b) using *CatPointer = Cat;
– Dwayne Robinson
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How to remove leading and trailing whitespace in a MySQL field?
... "hello world". While the replace variant dangerously removes the space as word separator: SELECT CONCAT('"', REPLACE(" hello world ", ' ', '')) AS `replaced value` FROM DUAL gives the unwanted output "helloworld"
– Piemol
Feb 6 at 12:59
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how do I insert a column at a specific column index in pandas?
... a 1
1 0 b 2
2 0 c 1
3 0 d 2
However, if you have words in your columns names instead of letters. It should include two brackets around your column names.
import pandas as pd
df = pd.DataFrame({'Upper':['a','b','c','d'], 'Lower':[1,2,1,2]})
df['Net'] = 0
df['Mid'] = 2
df['...
How to find the installed pandas version
...das as pd
pd.__version__
**Its double underscore before and after the word "version".
Output:
'0.14.1'
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Difference between Service, Async Task & Thread?
...t them, I won't repeat them, instead I will try to give answer with my own words, hope they will help you.
Service is like an Activity but has no user interface. Probably if you want to fetch the weather for example you won't create a blank activity for it, for this you will use a Service.
A Threa...