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Real-world applications of zygohistomorphic prepromorphisms
...on-schemes package.
zygoHistoPrepro
:: (Unfoldable t, Foldable t)
=> (Base t b -> b)
-> (forall c. Base t c -> Base t c)
-> (Base t (EnvT b (Stream (Base t)) a) -> a)
-> t
-> a
The implementation was simplified as well.
zygoHistoPrepro f = gprepro (distZy...
Reading specific lines only
... 25:
# 26th line
elif i == 29:
# 30th line
elif i > 29:
break
fp.close()
Note that i == n-1 for the nth line.
In Python 2.6 or later:
with open("file") as fp:
for i, line in enumerate(fp):
if i == 25:
# 26th line
elif i == 29:
...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...seful methods. Earlier I was using __autoload just to escape including multiple files on each page, but recently I have seen a tip on __autoload manual
...
How to use Google App Engine with my own naked domain (not subdomain)?
...are the steps:
Go to appengine.google.com, open your app
Administration > Versions > Add Domain... (your domain has to be linked to your Google Apps account, follow the steps to do that including the domain verification.)
Go to www.google.com/a/yourdomain.com
Dashboard > your app should b...
Cannot obtain value of local or argument as it is not available at this instruction pointer, possibl
...
Also
In VS 2015 Community Edition
go to
Debug->Options or Tools->Options
and check
Debugging->General->Suppress JIT optimization on module load (Managed only)
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Android and XMPP: Currently available solutions [closed]
...
Edited comments > hi all > I am using asmack for developing my xmpp client,I am facing a problem > When i come from 1st time login I start my chatting with user B and receiving messages from user B also that is fine.i switch off my w...
Accessing dict_keys element by index in Python3
..., so turning a dictionary into a list results in a list of all the keys:
>>> test = {'foo': 'bar', 'hello': 'world'}
>>> list(test)
['foo', 'hello']
>>> list(test)[0]
'foo'
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How Do You Clear The IRB Console?
...clear') will also work on a Mac. It should be noted that this will leave => true at the top of the console.
– Michael Dorst
Mar 26 '13 at 5:49
...
Understanding events and event handlers in C#
...n the event and all the specific methods that will be called.
So the default EventHandler (and many like it) represents a specific shape of method (again, void/object-EventArgs). When you declare an event, you are saying which shape of method (EventHandler) that event will invoke, by specifying a d...
Best way to store date/time in mongodb
...native JavaScript Date objects, which map onto BSON native Date objects.
> db.test.insert({date: ISODate()})
> db.test.insert({date: new Date()})
> db.test.find()
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:50:42.389Z") }
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-...