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How to sum all the values in a dictionary?
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I don't know if you love python, if you love python 3, or if really are referring to a python 2
– Lucas Vazquez
Sep 23 '19 at 20:19
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ImportError in importing from sklearn: cannot import name check_build
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Check if there is a file called "sklearn" in the same folder. Try running from a different folder. Solved it for me (my fault). Find file with <ls | grep -i "sklearn">
– Punnerud
Mar 3 '...
How to output only captured groups with sed?
... is to tell sed to exclude what you don't want to be output as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printi...
What is PAGEIOLATCH_SH wait type in SQL Server?
...g tables. It almost never happens in queries that use indexes efficiently.
If your query is like this:
Select * from <table> where <col1> = <value> order by <PrimaryKey>
, check that you have a composite index on (col1, col_primary_key).
If you don't have one, then you'll ne...
Bootstrap: align input with button
...t;
<button class="btn">button</button>
</div>
The Differences
The difference between these two classes is that .input-append will place the button up against the input element (so they look like they are attached), where .form-horizontal will place a space between them.
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Use grep --exclude/--include syntax to not grep through certain files
...g it, such as --include="*.{cpp,h}", would work just as well). Otherwise, if you had any files in the current working directory that matched the pattern, the command line would expand to something like grep pattern -r --include=foo.cpp --include=bar.h rootdir, which would only search files named fo...
Strip whitespace from jsp output
...utput? Is there a switch I can flip on my web.xml? Is there a Tomcat specific setting?
9 Answers
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What is the bit size of long on 64-bit Windows?
... Aspen group; only systems with a long heritage of 64-bit operation use a different scheme). All modern 64-bit Unix systems use LP64. MacOS X and Linux are both modern 64-bit systems.
Microsoft uses a different scheme for transitioning to 64-bit: LLP64 ('long long, pointers are 64-bit'). This has...
How to get a substring of text?
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If you have your text in your_text variable, you can use:
your_text[0..29]
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how to convert array values from string to int?
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but if you have string 'test', you got: array([0]=> 0 )
– Dmitry Dubovitsky
Oct 9 '13 at 13:39
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