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Importing CSV with line breaks in Excel 2007
...ng what you have got already in your clipboard) --> automagically works now.
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Is it expensive to use try-catch blocks even if an exception is never thrown?
We know that it is expensive to catch exceptions. But, is it also expensive to use a try-catch block in Java even if an exception is never thrown?
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Naming returned columns in Pandas aggregate function? [duplicate]
... is done with tidyverse's summarize in R), but a work-around in pandas for now is to create the new columns with desired names via assign before doing the aggregation:
data.assign(
f=data['column1'],
mean=data['column2'],
std=data['column2']
).groupby('Country').agg(dict(f=sum, mean=np....
How to find the length of a string in R
... a string (number of characters in a string) without splitting it in R? I know how to find the length of a list but not of a string.
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The 'packages' element is not declared
...
Oh ok - now I get it.
You can ignore this one - the XML for this is just not correct - the packages-element is indeed not declared (there is no reference to a schema or whatever).
I think this is a known minor bug that won't do a thi...
Getting key with maximum value in dictionary?
...nswered Nov 6 '08 at 10:58
unbeknownunbeknown
253
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Maven: how to do parallel builds?
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Maven 3 (as of beta 1) now supports parallel builds as an experimental feature.
For example,
mvn -T 4 clean install # Builds with 4 threads
mvn -T 1C clean install # 1 thread per cpu core
mvn -T 1.5C clean install # 1.5 thread per cpu core
Full do...
Aggregate function in an SQL update query?
... been all day??? I have been banging my head over it for more than an hour now :)
– Ange1
Jan 7 '16 at 19:43
1
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Reference — What does this symbol mean in PHP?
This is a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
...6_SECURITY=no
use validationQuery property
use validationQuery="select now()" to make sure each query has responses
AutoReconnect
Add this code to your connection string:
&autoReconnect=true&failOverReadOnly=false&maxReconnects=10
Although non of these solutions worked for m...