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How do I assert equality on two classes without an equals method?
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edited Jun 19 '19 at 14:11
answered Apr 22 '15 at 9:37
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How do you set EditText to only accept numeric values in Android?
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How to Delete using INNER JOIN with SQL Server?
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16 Answers
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
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Remove NA values from a vector
..., etc.)
Setting na.rm=TRUE does just what you're asking for:
d <- c(1, 100, NA, 10)
max(d, na.rm=TRUE)
If you do want to remove all of the NAs, use this idiom instead:
d <- d[!is.na(d)]
A final note: Other functions (e.g. table(), lm(), and sort()) have NA-related arguments that use d...
Generating a UUID in Postgres for Insert statement?
...t load it into your database to use it.
For modern PostgreSQL versions (9.1 and newer) that's easy:
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
but for 9.0 and below you must instead run the SQL script to load the extension. See the documentation for contrib modules in 8.4.
For Pg 9.1 and newe...
Why can't a 'continue' statement be inside a 'finally' block?
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An explicit value for the identity column in table can only be specified when a column list is used
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JQuery string contains check [duplicate]
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You can use javascript's indexOf function.
var str1 = "ABCDEFGHIJKLMNOP";
var str2 = "DEFG";
if(str1.indexOf(str2) != -1){
console.log(str2 + " found");
}
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How can I add comments in MySQL?
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edited Jun 30 '19 at 23:37
Peter Mortensen
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