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What's the difference between Ruby's dup and clone methods?
...e this again: the "singleton class", which is a well-defined term in Ruby, includes not only the singleton methods, but also any constants defined on the singleton class. Consider: o = Object.new; class << o; A=5; end; puts ( class << o.clone; A; end ); puts ( class << o.dup; A; en...
Bootstrap with jQuery Validation Plugin
...dation of controls. Hope this helps and thanks for the suggestions.
After including the validation plugin add the following call:
$.validator.setDefaults({
errorElement: "span",
errorClass: "help-block",
highlight: function (element, errorClass, validClass) {
// Only validation...
Alter column, add default constraint
...
create PROCEDURE [dbo].[ColumnDefaultUpdate]
(
-- Table name, including schema, e.g. '[dbo].[TableName]'
@TABLE_NAME VARCHAR(100),
-- Column name, e.g. 'ColumnName'.
@COLUMN_NAME VARCHAR(100),
-- New default, e.g. '''MyDefault''' or 'getdate()'
-...
Using semicolon (;) vs plus (+) with exec in find
...would try to avoid reaching the limit on the number of arguments. And that includes Solaris' (10 at least). Where it may fail is if you do something like find ... -exec ksh -c 'cmd "$@" "$@"' sh {} + or find ... -exec ksh -c 'files="$*" cmd "$@"' sh {} +, but find can't really be blamed for that. No...
Set operations (union, intersection) on Swift array?
...tandard library calls, but you may want to look at the ExSwift library. It includes a bunch of new functions on Arrays including difference, intersection and union.
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How can I add remote repositories in Mercurial?
...ote1
If someone would like to build a Powershell equivalent, I'd like to include that as well. Other potentials improvements include error checking on the parameters and factoring out the call to $(hg root).
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How can I nullify css property?
...hese two other CSS-wide keywords, it can be applied to
any CSS property, including the CSS shorthand all. This keyword resets
the property to its inherited value if it inherits from its parent or
to its initial value if not. In other words, it behaves like the
inherit keyword in the first ca...
What is the largest TCP/IP network port number allowable for IPv4?
...rt to listen on".
So any limitation on using a port in the 0-65535 range, including 0, ephemeral reservation range etc, is implementation (i.e. OS/driver) specific, however all, including 0, are valid ports in the RFC 793.
...
How to format a UTC date as a `YYYY-MM-DD hh:mm:ss` string using NodeJS?
...javascript date library for parsing, manipulating, and formatting dates" - Includes internationalization, calculations and relative date formats - Update 2017-03-29: Not quite so light-weight any more but still the most comprehensive solution, especially if you need timezone support.
date-fns [added...
read.csv warning 'EOF within quoted string' prevents complete reading of file
...I was trying to read in data from a text file (separated with commas) that included a few Spanish characters and it took me forever to figure it out.
I knew I needed to use UTF-8 encoding, set the header arg to TRUE, and that I need to set the sep arguemnt to ",", but then I still got hang ups. Afte...