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How to convert a string or integer to binary in Ruby?
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@bta- I'm encoding all these characters into binary so I can use them in a genetic algorithm. I really like the idea of a lookup table for the encode/decode since the set is limited to 0..9 and +-*/
– mcmaloney
Feb ...
Replace first occurrence of pattern in a string [duplicate]
...ar at the end, the regex impl might be better as it supports streaming the char array, but for small strings, this seems a lot more efficient...
– Jaap
Aug 6 '13 at 13:57
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JQuery - find a radio button by value
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Try this:
$(":radio[value=foobar]")
This will select all radio buttons with the attribute value="foobar".
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Use gulp to select and move directories and their files
... },
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true,enableSnippets:true
});
}
});
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What GRANT USAGE ON SCHEMA exactly do?
...a schema doesn't grant rights on the tables within.
If you have rights to SELECT from a table, but not the right to see it in the schema that contains it then you can't access the table.
The rights tests are done in order:
Do you have `USAGE` on the schema?
No: Reject access.
Yes: Do...
Why do we have to specify FromBody and FromUri?
...When a parameter has [FromBody], Web API uses the Content-Type header
to select a formatter. In this example, the content type is
"application/json" and the request body is a raw JSON string (not a
JSON object). At most one parameter is allowed to read from the
message body.
This shoul...
How to split data into training/testing sets using sample function
...101) # Set Seed so that same sample can be reproduced in future also
# Now Selecting 75% of data as sample from total 'n' rows of the data
sample <- sample.int(n = nrow(data), size = floor(.75*nrow(data)), replace = F)
train <- data[sample, ]
test <- data[-sample, ]
By using caTools pa...
Using JQuery to check if no radio button in a group has been checked
... answer worked for me reliably to check whether a radio button group had a selected value. Best answer in the thread.
– Andy Cook
Apr 29 '13 at 19:21
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How to map a composite key with JPA and Hibernate?
... way you write queries (making them more or less verbose):
with IdClass
select t.levelStation from Time t
with EmbeddedId
select t.timePK.levelStation from Time t
References
JPA 1.0 specification
Section 2.1.4 "Primary Keys and Entity Identity"
Section 9.1.14 "EmbeddedId Annotation"
Sect...
How do I get a distinct, ordered list of names from a DataTable using LINQ?
...tainable, you can also split it up into multiple LINQ statements.
First, select your data into a new list, let's call it x1, do a projection if desired
Next, create a distinct list, from x1 into x2, using whatever distinction you require
Finally, create an ordered list, from x2 into x3, sorting by...