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How to debug an apache virtual host configuration?
...d (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -S
# Debian-based (Ubuntu)
apache2ctl -S
# MacOS
apachectl -S
...
How can I check the syntax of Python script without executing it?
...
import script, but all code must be in functions. Which is good practice anyway. I've even adopted this for shell scripts. From here it's a small step to unit testing.
– Henk Langeveld
Aug 10 '12 at 12:07
...
Selecting data from two different servers in SQL Server
...ddlinkedserver.
You only have to set up one. Once you have that, you can call a table on the other server like so:
select
*
from
LocalTable,
[OtherServerName].[OtherDB].[dbo].[OtherTable]
Note that the owner isn't always dbo, so make sure to replace it with whatever schema you use.
...
Are global variables bad? [closed]
...s to these, it becomes increasingly hard to figure out which functions actually read and write these variables.
To understand how the application works, you pretty much have to take into account every function which modifies the global state. That can be done, but as the application grows it will ...
Emacs mode for Stack Overflow's markdown
I am using Org-mode in Emacs to handle all my technical documentation. I would like to use Emacs to prepare questions that I have for Stack Overflow. Is there an Emacs mode for that, or even better, an extension for Org-mode to handle Stack Overflow formatting? Ideally it should include all formatti...
Git in Visual Studio - add existing project?
...
First of all you need to install Git software on your local development machine, e.g. Git Extensions.
Then do git init in the solution folder. That is the proper way to create a repository folder.
Set up a reasonable .gitignore file, ...
Using HTML and Local Images Within UIWebView
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All this does for me is give me a string in my webview that I defined for my htmlString. i.e. all it shows on the page is "tour.html"
– Chewie The Chorkie
Feb 29 '12 at 17:11
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Rename all files in directory from $filename_h to $filename_half?
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Just use bash, no need to call external commands.
for file in *_h.png
do
mv "$file" "${file/_h.png/_half.png}"
done
Do not add #!/bin/sh
For those that need that one-liner:
for file in *.png; do mv "$file" "${file/_h.png/_half.png}"; done
...
How to recover stashed uncommitted changes
... then git stash apply. Then use git diff to see the result.
After you're all done with your changes—the apply looks good and you're sure you don't need the stash any more—then use git stash drop to get rid of it.
I always suggest using git stash apply rather than git stash pop. The differenc...
Disable browser's back button
... not obliged to do AFAIK) they still provide a way to reload that page (usually after showing a warning dialog). So if you really don't want your users going back to that page, this may be worse, since the request for that page will HAVE to make its way all the way to the origin server. You will n...