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Are there constants in JavaScript?
...nly enjoys a smattering of browser support: http://kangax.github.io/compat-table/es6/. The syntax is:
const CONSTANT_NAME = 0;
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Selecting data frame rows based on partial string match in a column
...rent approach. I don't know if that's a reference to the %like% from "data.table", but if it is, you can definitely use it as follows.
Note that the object does not have to be a data.table (but also remember that subsetting approaches for data.frames and data.tables are not identical):
library(dat...
TSQL - Cast string to integer or return default value
...> 2147483647 RETURN NULL
RETURN @I
END
GO
-- Testing
DECLARE @Test TABLE(Value nvarchar(50)) -- Result
INSERT INTO @Test SELECT '1234' -- 1234
INSERT INTO @Test SELECT '1,234' -- 1234
INSERT INTO @Test SELECT '1234.0' -- 1234
INSERT INTO @Test SELECT '-1234' ...
How to export and import a .sql file from command line with options? [duplicate]
...an we set constraints like enable/disable foreign key check or export only table structure with mysqldump
– AZinkey
Feb 28 '15 at 2:48
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Tools for Generating Mock Data? [closed]
...t looks close to your requirements.
it can generate data for an existing table definition (or even anonymize production data)
it can generate larges data set (unlimited size)
it supports various input (CSV, Flat Files, DBUnit) and output format (CSV, Flat Files, DBUnit, XML, Excel, Scripts)
it can...
How to use count and group by at the same select statement
...atement.
Is there a way for this directly from sql?
For example, having a table with users I want to select the different towns and the total number of users
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UITableViewCell subview disappears when cell is selected
I'm implementing a color-chooser table view where the user can select amongst, say, 10 colors (depends on the product). The user can also select other options (like hard drive capacity, ...).
...
Output array to CSV in Ruby
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I pulled in a CSV file using CSV.table, did some manipulations, got rid of some columns, and now I want to spool the resulting Array of Hashes out again as CSV (really tab-delimited). How to? gist.github.com/4647196
– tamouse
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Using an ORM or plain SQL? [closed]
...ased on Java beans get/set methods. This is a TON of boilerplate for every table, for every column and ... here's the real anti-pattern: Just to expose every field as if it were public. In effect, having a get/set method on fields in an object/table/row is very close to violating every tenant of inf...
Can we omit parentheses when creating an object using the “new” operator?
...nt precedence. According to MDN the part of JavaScript operator precedence table we are interested in looks like:
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