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How do I migrate a model out of one django app and into a new one?
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In order to access orm['contenttypes.contenttype'], you also need to add the --freeze contenttypes option to your schemamigration commands.
– Gary
Dec 5 '13 at 18:21
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Get the first key name of a javascript object [duplicate]
..." key in a hash (Javascript calls them objects). They are fundamentally unordered. Do you mean just choose any single key:
for (var k in ahash) {
break
}
// k is a key in ahash.
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AngularJS sorting by property
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AngularJS' orderBy filter does just support arrays - no objects. So you have to write an own small filter, which does the sorting for you.
Or change the format of data you handle with (if you have influence on that). An array containin...
libpthread.so.0: error adding symbols: DSO missing from command line
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-lrt -lm -lpthread
Explanation: the linking is dependent on the order of modules. Symbols are first requested, and then linked in from a library that has them. So you have to specify modules that use libraries first, and libraries after them. Like this:
gcc x.o y.o z.o -la -lb -lc
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Is memcached a dinosaur in comparison to Redis? [closed]
...hout help from the client. Also memcached is faster with big values in the order of 100k. Redis recently improved a lot about big values (unstable branch) but still memcached is faster in this use case. The point here is: nor one or the other will likely going to be your bottleneck for the query-per...
Find and replace with sed in directory and sub directories
... worked for me:
find ./ -type f -exec sed -i '' 's#NEEDLE#REPLACEMENT#' *.php {} \;
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Send email with PHPMailer - embed image in body
I'm trying to send HTML mail, with PHPMailer, with images.
The body is loaded from a html file, that contains all the info.
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How do I remove duplicate items from an array in Perl?
...een; grep !$seen{$_}++, @_ } is a better implementation since it preserves order at no cost. Or even better, use the one from List::MoreUtils.
– ikegami
Nov 6 '12 at 18:51
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Why aren't superclass __init__ methods automatically invoked?
...se class. You may have more parameters, fewer, they may be in a different order or not related at all.
class myFile(object):
def __init__(self, filename, mode):
self.f = open(filename, mode)
class readFile(myFile):
def __init__(self, filename):
super(readFile, self).__init_...
“Find next” in Vim
...ll often find yourself using :noh. This is so common that a mapping is in order:
nmap <leader>z :noh<CR>
I easily remember this one as z since I used to constantly type /zz<CR> (which is a fast-to-type uncommon occurrence) to clear my highlighting. But the :noh mapping is way be...