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Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations
...orzing the ctx.Database.initialize() of each context to run in the correct order, or run the Update-Database command by hand in the correct order. (And teh reverse, if you do a db migration to previous version). It`s "dangerous" but can be done.
– JotaBe
Nov 24...
Order discrete x scale by frequency/value
... ggplot with discrete x scale, the x axis are now arranged in alphabetical order, but I need to rearrange it so that it is ordered by the value of the y-axis (i.e., the tallest bar will be positioned on the left).
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Options for HTML scraping? [closed]
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FYI, this is a PHP library
– Tristan Havelick
Apr 18 '10 at 15:19
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Regular expression to match any character being repeated more than 10 times
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PHP's preg_replace example:
$str = "motttherbb fffaaattther";
$str = preg_replace("/([a-z])\\1/", "", $str);
echo $str;
Here [a-z] hits the character, () then allows it to be used with \\1 backreference which tries to matc...
Eclipse jump to closing brace
...changing perspectives makes it work again. So, for example, when I have a PHP file open, but, say, the Java perspective active, pressing Ctrl + Shift + P does nothing. For the same file with the PHP perspective active, pressing Ctrl + Shift + P does exactly what you'd expect and puts my cursor bes...
Match everything except for specified strings
...ems, my @result3 = grep { /\S/ } split /red|green|blue/, $text; (see demo)
php - preg_split('~red|green|blue~', $text) or preg_split('~red|green|blue~', $text, -1, PREG_SPLIT_NO_EMPTY) to output no empty items (see demo)
python - re.split(r'red|green|blue', text) or, to remove empty items, list(filt...
Html code as IFRAME source rather than a URL
... For anyone like me who was looking how to encode HTML this way with php, you want rawurlencode (php.net/manual/en/function.rawurlencode.php)
– Braiba
Dec 2 '15 at 13:27
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Disable output buffering
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A straight-forward way of using the flush keyword argument of Python 3 in order to always have unbuffered output is:
import functools
print = functools.partial(print, flush=True)
afterwards, print will always flush the output directly (except flush=False is given).
Note, (a) that this answers t...
Circular list iterator in Python
... print item,
Output:
a b c a b c ...
(Loops forever, obviously)
In order to manually advance the iterator and pull values from it one by one, simply call next(pool):
>>> next(pool)
'a'
>>> next(pool)
'b'
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Unix's 'ls' sort by name
...ort. For just a list of file names:
ls -1 | sort
To sort them in reverse order:
ls -1 | sort -r
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