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How do I search within an array of hashes by hash values in ruby?
...@fathers.select {|father| father["age"] > 35 }
# => [ { "age" => 40, "father" => "Bob" },
# { "age" => 50, "father" => "Batman" } ]
Per the documentation, it "returns an array containing all elements of [the enumerable, in this case @fathers] for which block is not false."
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How do I reset a sequence in Oracle?
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Here is a good procedure for resetting any sequence to 0 from Oracle guru Tom Kyte. Great discussion on the pros and cons in the links below too.
tkyte@TKYTE901.US.ORACLE.COM>
create or replace
procedure reset_seq( p_seq_name in varchar2 )
is
l_val number;
begin
exe...
how to check the dtype of a column in python pandas
...o floats? Thanks.
– Ryan Chase
May 20 '16 at 17:15
@RyanChase The OP in this question never said he was converting to ...
Run a single Maven plugin execution?
... parameter, e.g., org.apache.maven.plugins:maven-remote-resources-plugin:1.0:process@executionId.
So, as long as you give your execution an id:
mvn sql:execute@specific-execution-id
uses the execution configured in your pom.
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Check whether a string contains a substring
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edited Dec 15 '15 at 9:40
answered Sep 2 '11 at 12:21
Eug...
Pythonic way of checking if a condition holds for any element of a list
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any():
if any(t < 0 for t in x):
# do something
Also, if you're going to use "True in ...", make it a generator expression so it doesn't take O(n) memory:
if True in (t < 0 for t in x):
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Available text color classes in Bootstrap
...neTed Delezene
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2
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How to convert a negative number to positive?
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edited Oct 5 '10 at 23:28
answered Oct 4 '10 at 10:26
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Appending to an existing string
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answered Mar 1 '10 at 15:44
sepp2ksepp2k
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Java 8 stream reverse order
...ect[] temp = input.toArray();
return (Stream<T>) IntStream.range(0, temp.length)
.mapToObj(i -> temp[temp.length - i - 1]);
}
Another technique uses collectors to accumulate the items into a reversed list. This does lots of insertions at the front of Ar...