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SQL (MySQL) vs NoSQL (CouchDB) [closed]
...re lots about users and then things like a lot of their messages, comments etc. I have always used MySQL before but now I am minded to try something new like couchdb or similar which is not SQL.
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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
... However, I would feel pretty confident using the hash in .bashrc aliases, etc., and I don't think it will change anytime soon. At the very least it would probably be a major release of git.
The two ways are:
The answer above: git hash-object -t tree --stdin < /dev/null
Simply initing an empty...
Sending multipart/formdata with jQuery.ajax
...jQuery.ajax(opts);
Create FormData from an existing form
Instead of manually iterating the files, the FormData object can also be created with the contents of an existing form object:
var data = new FormData(jQuery('form')[0]);
Use a PHP native array instead of a counter
Just name your file e...
Can iterators be reset in Python?
...ary data needs to be
stored). In general, if one iterator
uses most or all of the data before
another iterator starts, it is faster
to use list() instead of tee().
Basically, tee is designed for those situation where two (or more) clones of one iterator, while "getting out of sync" with ea...
How to check whether a script is running under Node.js?
...ly thing commonJS specifies is that A: The modules will be included via a call to the function require and B: The modules exports things via properties on the exports object. Now how that is implement is left to the underlying system. Node.js wraps the module's content in an anonymous function:
fun...
Django in / not in query
...e(); Tbl2.objects.filter(id__in=IDs') This did not work because IDs is actually a QuerySet object. When I deleted the rows it originated from, it no longer worked with other queries. The solution is Tbl2.objects.filter(id__in=list(IDs)) -- turn it into a list
– Dakusan
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Using Sinatra for larger projects via multiple files
It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
More elegant way of declaring multiple variables at the same time
...variables with Boolean values is the best way to write your routine (especially if they really have one-letter names :)
Depending on what you're doing, it may make sense to use a dictionary instead. For example, if you want to set up Boolean preset values for a set of one-letter flags, you could d...
newline in [duplicate]
...me borders and background to make the popup look decent, but this should sketch the idea. It has some drawbacks though, for example the popup is not positioned relative to mouse but relative to the containing cell.
share
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What is the (best) way to manage permissions for Docker shared volumes?
...permissions, think about how to do whatever you need -- backups, browsing, etc. -- via another container. The containers themselves need to use consistent uid/gids, but they don't need to map to anything on the host, thereby remaining portable.
This is relatively new for me as well but if you have ...