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Is Big O(logn) log base e?
...ically noted as O(logn). With a lowercase 'l' in log, does this imply log base e (n) as described by the natural logarithm? Sorry for the simple question but I've always had trouble distinguishing between the different implied logarithms.
...
AWS Difference between a snapshot and AMI
... AMIs (and corresponding instances):
instance-store (sometimes called S3-based). These are less common and I don't recommend them for beginners. An instance-store AMI is a copy of the root instance-store volume plus some metadata, all saved in an S3 bucket in a special format
EBS boot. This is ...
Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
...t buy the "the point of..." claim; it seems that you're defining the point based on what it does, rather than what a programmer might want.
– ShreevatsaR
Aug 18 '13 at 17:25
2
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How to use UIScrollView in Storyboard
...er onto your storyboard.
Drag a scrollView on this viewController, for the demo you can leave its size default,
covering the entire screen.
Now comes trick 1 : before adding any element to the scrollView, drag in a regular 'view' (This view will be made larger than the screen, and will contain all t...
How to decide between MonoTouch and Objective-C? [closed]
...n't matter at all. And, just to be clear - I'm going to be submitting a MT-based app to the store soonishly, and I have no problem whatsoever with the size. Doesn't bother me at all. But if that's something that would concern you, then Apple's stack wins this one.
Doing any XML work? MonoTouch. Peri...
jQuery - multiple $(document).ready …?
...uery('#target').append('target edit 3<br>');
});
</script>
Demo As you can see they do not replace each other
Also one thing i would like to mention
in place of this
$(document).ready(function(){});
you can use this shortcut
jQuery(function(){
//dom ready codes
});
...
Why aren't superclass __init__ methods automatically invoked?
...construct a derived class in a way similar at all to how you construct the base 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(myF...
Compare two MySQL databases [closed]
I'm currently developing an application using a MySQL database.
21 Answers
21
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Rails: FATAL - Peer authentication failed for user (PG::Error)
...versions are available
psql=# select VERSION();
PostgreSQL 9.1.13 on x86_64-unk.... # so version is 9.1
Now Open postgres user
vim /etc/postgresql/9.1/main/pg_hba.conf
9.1 is version return form upper command
and replace
local all postgres ...
How to parse/read a YAML file into a Python object? [duplicate]
.../wiki/PyYAMLDocumentation:
add_path_resolver(tag, path, kind) adds a path-based implicit tag resolver. A path is a list of keys that form a path to a node in the representation graph. Paths elements can be string values, integers, or None. The kind of a node can be str, list, dict, or None.
#!/usr...