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How to delete selected text in the vi editor
I am using PuTTY and the vi editor. If I select five lines using my mouse and I want to delete those lines, how can I do that?
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Custom error pages on asp.net MVC3
... handle custom errors. I define an ErrorsController with actions handling different HTTP errors:
public class ErrorsController : Controller
{
public ActionResult General(Exception exception)
{
return Content("General failure", "text/plain");
}
public ActionResult Http404()
...
How to stop mongo DB in one command
...ncorrectly stopping MongoDB (such as data corruption) and talks about the different kill signals.
Additionally, if you have installed MongoDB using a package manager for Ubuntu or Debian then you can stop mongodb (currently mongod in ubuntu) as follows:
Upstart: sudo service mongod stop
S...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
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I think the least intrusive way of doing this is as follows:
Check if the user-agent is that of an iPhone/iPod Touch
Check for an appInstalled cookie
If the cookie exists and is set to true, set window.location to your-uri:// (or do the redirect server side)
If the cookie doesn't exist, open...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
... your "Vagrantfile" to track the UUID of your VM. This file will not exist if a VM does not exist. The format of the file is JSON. It looks like this if a single VM exists:
{
"active":{
"default":"02f8b71c-75c6-4f33-a161-0f46a0665ab6"
}
}
default is the name of the default virtual mac...
How can I capture the right-click event in JavaScript? [duplicate]
...et to return false, otherwise the standard context menu will still pop up.
If you are going to use a function you've written rather than javascript:alert("Success!"), remember to return false in BOTH the function AND the oncontextmenu attribute.
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SQL Server SELECT into existing table
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SELECT ... INTO ... only works if the table specified in the INTO clause does not exist - otherwise, you have to use:
INSERT INTO dbo.TABLETWO
SELECT col1, col2
FROM dbo.TABLEONE
WHERE col3 LIKE @search_key
This assumes there's only two columns in db...
Internet Explorer's CSS rules limits
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just for clarification: would the following line count as one "selector", or two? div.oneclass, div.anotherstyle {color: green};
– anthony
Nov 5 '13 at 15:44
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How to grab substring before a specified character jQuery or JavaScript
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This will not work if the string being searched does not contain an instance of the search character. It will return an empty string.
– David G
Aug 20 '15 at 19:48
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Search All Fields In All Tables For A Specific Value (Oracle)
...m dba_objects WHERE
object_name like '%DTN%'
A column isn't an object. If you mean that you expect the column name to be like '%DTN%', the query you want is:
SELECT owner, table_name, column_name FROM all_tab_columns WHERE column_name LIKE '%DTN%';
But if the 'DTN' string is just a guess on y...