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Regular expression to match DNS hostname or IP Address?
...o be escaped with \.
ValidHostnameRegex is valid as per RFC 1123. Originally, RFC 952 specified that hostname segments could not start with a digit.
http://en.wikipedia.org/wiki/Hostname
The original specification of
hostnames in RFC
952,
mandated that labels could not start
with a d...
Save PL/pgSQL output from PostgreSQL to a CSV file
...e to your local PC. It also needs to be run as a Postgres "superuser" (normally called "root") because Postgres can't stop it doing nasty things with that machine's local filesystem.
That doesn't actually mean you have to be connected as a superuser (automating that would be a security risk of a di...
HTML5 dragleave fired when hovering a child element
...
This worked for me in all browsers, but Firefox. I have a new solution which works everywhere in my case. On the first dragenter I save event.currentTarget in a new variable dragEnterTarget. As long as dragEnterTarget is set, I ignore further drag...
Copy file remotely with PowerShell
...ar network share on server B with read-only access to everyone and simply call (from Server A):
Copy-Item -Path "\\\ServerB\SharedPathToSourceFile" -Destination "$Env:USERPROFILE" -Force -PassThru -Verbose
share
|...
How to update column with null value
...ed Oct 6 '10 at 8:11
Daniel VassalloDaniel Vassallo
301k6666 gold badges475475 silver badges424424 bronze badges
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Writing to output window of Visual Studio
...
Just ran a small app here, works fine for me. Perhaps there is a small glitch in your environment?
– Bhargav Bhat
Feb 27 '12 at 15:41
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Library? Static? Dynamic? Or Framework? Project inside another project
...developing as another project just for ease of testing. The new chunk basically deals with saving an image to various sharing services, etc.. Because that sharing code needs a lot of testing and future updating, I was wondering what the best way to incorporate that code chunk into my existing app.
...
Google Maps JS API v3 - Simple Multiple Marker Example
...a that I want to cycle through and plot on a map. Seems fairly simple, but all the multi-marker tutorials I have found are quite complex.
...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...ss. Change it like so:
class B(object):
and it will work.
super() and all subclass/superclass stuff only works with new-style classes. I recommend you get in the habit of always typing that (object) on any class definition to make sure it is a new-style class.
Old-style classes (also known as...
Which Architecture patterns are used on Android? [closed]
I'm doing a small research of mobile platforms and I would like to know which design patterns are used in Android?
12 Answe...