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Using the RUN instruction in a Dockerfile with 'source' does not work
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Original Answer
FROM ubuntu:14.04
RUN rm /bin/sh && ln -s /bin/bash /bin/sh
This should work for every Ubuntu docker base image. I generally add this line for every Dockerfile I write.
Edit by a concerned bystander
If you want to...
iOS 7 status bar back to iOS 6 default style in iPhone app?
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This is cross-posted from a blog post I wrote, but here is the full rundown on status bars, navigation bars, and container view controllers on iOS 7:
There is no way to preserve the iOS 6 style status bar layout. The status bar will always over...
C++ display stack trace on exception
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the post you link to mostly points to generating a trace from a segfault, but the asker specifically mentions exceptions, which are quite a different beast.
– Shep
Mar 13 '14 at 14:29
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Can you connect to Amazon ElastiСache Redis outside of Amazon?
I'm able to connect to an ElastiCache Redis instance in a VPC from EC2 instances . But I would like to know if there is a way to connect to an ElastiCache Redis node outside of Amazon EC2 instances, such as from my local dev setup or VPS instances provided by other vendors.
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multiprocessing: How do I share a dict among multiple processes?
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A general answer involves using a Manager object. Adapted from the docs:
from multiprocessing import Process, Manager
def f(d):
d[1] += '1'
d['2'] += 2
if __name__ == '__main__':
manager = Manager()
d = manager.dict()
d[1] = '1'
d['2'] = 2
p1 = Proce...
Using str_replace so that it only acts on the first match?
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Can be done with preg_replace:
function str_replace_first($from, $to, $content)
{
$from = '/'.preg_quote($from, '/').'/';
return preg_replace($from, $to, $content, 1);
}
echo str_replace_first('abc', '123', 'abcdef abcdef abcdef');
// outputs '123def abcdef abcdef'
The m...
Pickle or json?
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Apart from security, JSON has the additional advantage that it makes migrations easy, so you can load data that was saved by an older version of your application. Meanwhile you could have added a field, or replaced a whole sub stru...
How to prevent scrollbar from repositioning web page?
...enter-aligned DIV. Now, some pages need scrolling, some don't. When I move from one type to another, the appearance of a scrollbar moves the page a few pixels to the side. Is there any way to avoid this without explicitly showing the scrollbars on each page?
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How can I add reflection to a C++ application?
...iterate over the fields we use the visitor pattern. We create an MPL range from 0 to the number of fields, and access the field data at that index. Then it passes the field data on to the user-provided visitor:
struct field_visitor
{
template<class C, class Visitor, class I>
void oper...
SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
...unning the sql server instance on my local box and attempting to access it from the same machine.
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