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ALTER TABLE, set null in not null column, PostgreSQL 9.1
...son ALTER COLUMN phone DROP NOT NULL;
More details in the manual: http://www.postgresql.org/docs/9.1/static/sql-altertable.html
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How can you customize the numbers in an ordered list?
...
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> new document </title>
<style type="text/css">
<!--
ol {
counter-reset: item;
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Escape a string for a sed replace pattern
...ows you to use other characters instead of / as separator:
sed 's#"http://www\.fubar\.com"#URL_FUBAR#g'
The double quotes are not a problem.
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Update R using RStudio
... the update.packages(function).
So, in order to install R,
go to http://www.r-project.org,
click on 'CRAN',
then choose the CRAN site that you like. I like Kansas: http://rweb.quant.ku.edu/cran/.
click on 'Download R for XXX' [where XXX is your operating system]
follow the installation procedur...
How to install Hibernate Tools in Eclipse?
...the hibernate plugin (Zip or URL for auto update) in the below URL.
http://www.jboss.org/tools/download
Do not install everything though. You just need:
The entire All JBoss Tools 3.2.0 section
Hibernate Tools (HT) from Application Development
HT from Data Services
JBoss Maven Hibernate Configura...
How to force a SQL Server 2008 database to go Offline
...use WITH NO_WAIT to not hang and not kill existing connections. See http://www.blackwasp.co.uk/SQLOffline.aspx for details
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Setting HttpContext.Current.Session in a unit test
...urns("test");
request.Setup(req => req.Url).Returns(new Uri("http://www.google.com"));
request.Setup(req => req.RequestContext).Returns(requestContext.Object);
requestContext.Setup(x => x.RouteData).Returns(new RouteData());
request.SetupGet(req => req.Headers).Returns(ne...
Undo a Git commit after push using reverse patch?
...
Sounds like you want to use git-revert.
https://www.kernel.org/pub/software/scm/git/docs/git-revert.html
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using jquery $.ajax to call a PHP function
...to our function request handler is absolutely required
'path': 'http://www.YourDomain.com/jqueryphp/request_handler.php',
// Synchronous requests are required for method chaining functionality
'async': false,
// List any user defined functions in the manner prescribed here
...
How to encode a URL in Swift [duplicate]
...n 5.2, URL-encoded form data, of the W3C HTML spec says that application/x-www-form-urlencoded requests should also replace space characters with + characters (and includes the asterisk in the characters that should not be escaped). And, unfortunately, URLComponents won't properly percent escape thi...