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Center image in div horizontally [duplicate]
I have an img in a div ( class="top_image" ) and I want this image to be exactly in the middle of the div but nothing I try works...
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When to use StringBuilder in Java [duplicate]
...gBuilder (not StringBuffer) instead of a String, because it is much faster and consumes less memory.
If you have a single statement,
String s = "1, " + "2, " + "3, " + "4, " ...;
then you can use Strings, because the compiler will use StringBuilder automatically.
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Django CSRF check failing with an Ajax POST request
.../weblog/2011/feb/08/security/
So the general solution is: "use ajaxSetup handler instead of ajaxSend handler". I don't know why it works. But it works for me :)
Previous post (without answer)
I'm experiencing the same problem actually.
It occurs after updating to Django 1.2.5 - there were no err...
How do I run a Node.js application as its own process?
...means forever, monit, PM2, etc. are no longer necessary - your OS already handles these tasks.
Make a myapp.service file (replacing 'myapp' with your app's name, obviously):
[Unit]
Description=My app
[Service]
ExecStart=/var/www/myapp/app.js
Restart=always
User=nobody
# Note Debian/Ubuntu uses 'n...
Difference between local and global indexes in DynamoDB
I'm curious about these two secondary indexes and differences between them. It is hard to imagine how this looks like. And I think, this will help more people than just me.
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...m a subquery, you're best of splitting it into two queries, one for INSERT and one for UPDATE (as an appropriate join/subselect of course - no need to write your main filter twice)
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improve t...
GIT repository layout for server with multiple projects
... representing a project or common component of its own.
The OP Paul Alexander comments:
This sounds similar to the "externals" support provided by subversion.
We tried this and found it extremely cumbersome to constantly update the version references in the externals since the projects are ...
Performance optimization strategies of last resort [closed]
...ite already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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How do you use the ellipsis slicing syntax in Python?
...it depends entirely on you, or someone else, having written code to understand it.
Numpy uses it, as stated in the documentation. Some examples here.
In your own class, you'd use it like this:
>>> class TestEllipsis(object):
... def __getitem__(self, item):
... if item is Ell...
Using HTML and Local Images Within UIWebView
...ed Apr 14 '09 at 13:48
Adam AlexanderAdam Alexander
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