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What is the difference between save and export in Docker?
...works with images.
An image has to be considered as 'dead' or immutable, starting 0 or 1000 containers from it won't alter a single byte. That's why I made a comparison with a system install ISO earlier. It's maybe even closer to a live-CD.
A container "boots" the image and adds an additional laye...
Browser statistics on JavaScript disabled [closed]
...tors in the past.
If your site is JS-free, you gather statistics, and then start to add JS, blacklisters (which had JS enabled before) might block (some of) your scripts.
No-JS visitors are probably more sensitive to privacy, so it’s likely that they are taking other measures in addition … they...
Finding Number of Cores in Java
...only gives the number of logical threads actually available to the JVM (at startup I guess). Using CPU affinity the user/OS can restrict the number of "cores" a JVM sees. You can even do it on a running JVM but I'm not too sure how this influence availableProcessors().
– Synt...
Insert Unicode character into JavaScript
... code notations. On the other hand, it may cause surprises if other people start working with your code.
Using the \u notation, as in var Omega = '\u03A9', works independently of character encoding, and it is in practice almost universal. It can however be as such used only up to U+FFFF, i.e. up to...
C++ templates that accept only certain types
... your immediate problem but there are some C++ compilers that have already started to add features from the new standard, so it might be possible to find a compiler that has already implemented the concepts feature.
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How to expire session due to inactivity in Django?
...['last_activity'] to the current time again
Obviously this code is only a start... but it should get you on the right path
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What are sessions? How do they work?
I am just beginning to start learning web application development, using python. I am coming across the terms 'cookies' and 'sessions'. I understand cookies in that they store some info in a key value pair on the browser. But I have a little confusion regarding sessions, in a session too we store da...
Bootstrap combining rows (rowspan)
... Very true, but don't forget row-fluid when it comes time to start sub-splitting the inner rows.
– pickypg
May 3 '13 at 5:46
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Track a new remote branch created on GitHub
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If you do checkout -b using a remote branch as a starting point, then it's actually unnecessary to then use --track.
– user456814
May 23 '14 at 18:24
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Django's SuspiciousOperation Invalid HTTP_HOST header
After upgrading to Django 1.5, I started getting errors like this:
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