Mert Nuhoglu (mertnuhoglu)'s Public Profile in the Diigo Community

Member since Sep 18, 2008, follows 8 people, 3 public groups, 3113 public bookmarks (3147 total).

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Recent Bookmarks and Annotations

How to build a Facebook app in Django — The Usware Blog - Django Web Development on 2009-11-18
- What tools does FB provide you?
  
  FQL: Facebook Query Language. This is a language similar to SQL. Sample this
  Facebook API: This is a set of RESTful urls which can be used to get data from Facebook and
  to do actions on the behalf of the logged in users.
  FBML: Facebook Markup Language. This is a set of tags, similar to Html tags, which allow you to
  get your page rendered with extra information on the facebook servers.
  
  <fb:name uid="211031">
Understanding decorators — The Usware Blog - Django Web Development on 2009-11-18
- decorators are nothing but callables returning other callables, and
  the decorator syntax @decorator is nothing but foo = bar(foo), where both
  bar and foo are callables
- Decorators are just callables, and hence can be a class which has __call__
  method.
Deliberate Practice – Where Self-reflection, Work Ethic and Ambition Meet — Open Education on 2009-11-12
- providing a different rationale for success, something called ‘deliberate practice.’
- practice-makes-perfect
- 13 more annotations...
- - Deliberate practice is a specific and unique kind of activity, neither work nor play. It’s characterized by several elements that together form a powerful whole.
  - Colvin highlights eight different characteristics of deliberate practice
  - Most fundamentally, what we generally do…. isn’t designed by anyone to make us better at anything. Usually it isn’t designed at all: We are just given an objective that’s necessary to meeting the employer’s goals and then expected to get on with it.
  - The great performers isolate remarkably specific aspects of what they do and focus on just those things until they’re improved; then it’s on to the next aspect
  - Feedback on results is continuously available.
  - a teacher, coach, or mentor is vital for providing crucial feedback.
  - Deliberate practice is above all an effort of focus and concentration
  - It’s hard
  - Doing things we know how to do well is enjoyable, and that’s exactly the opposite of what deliberate practice demands. Instead of doing what we’re good at, we insistently seek out what we’re not good at.
  - There is a definitive ‘before the work’ component. “Self-regulation begins with setting goals – not big, life-directing goals, but more immediate goals for what you’re going to be doing today
  - The best performers set goals that are not about the outcome but rather about the process of reaching the outcome.
  - They are able to monitor what is happening in their own minds and ask how it’s going. Researchers call this metacognition – knowledge about your own knowledge, thinking about your own thinking. Top performers do this much more systematically than others do
  - “the best performers judge themselves against a standard that’s relevant for what they’re trying to achieve. Sometimes they compare their performance with their own personal best
Beautiful code with Google Collections, Guava and static imports – Part 1! on 2009-11-10
LaTeX Community • View topic - 2 table questions: align caption & notes environment on 2009-11-04
- \captionsetup{singlelinecheck=off,justification=raggedright}
PsKill v1.12 - terminate freezing apps on 2009-11-02
((An Unofficial) Python Tutorial Wiki) on 2009-11-02
Python Encodings and Unicode | One More Blog on 2009-11-01
- >>> import codecs
  >>> fh = codecs.open("/tmp/utf-8.txt", "w", "utf-8")
  >>> fh.write(u"\u2013")
  >>> fh.close()
- Decode First, Encode Last
  When in doubt, encode as utf-8
  Use codecs with unicode objects to simplify things
- 3 more annotations...
- - Decode First means whenever taking byte stream input, decode
    that input to Unicode as early as possible. This will help prevent issues
    where len() and slice malfunctions with utf-8 byte streams.
  - Encode last means only encode to byte streams when you're ready to output
    the text to something.
  - The codecs module lets you read the bytes in and decode the bytes on the
    fly getting your text into unicode objects much simplier and with less
    overhead.
Unicode exception in 'paster shell' (repr versus __repr__) - pylons-discuss | Google Groups on 2009-11-01
- >> Does anyone have an explanation why foo.__repr__() and repr(foo) makes such
  >> a difference here? Hints welcome.
  
  > Shouldn't repr return plain string, not unicode one? When calling .__repr__()
  > directly you just call a method directly. When called by repr() some ipython
  > magic happens, which expects __repr__ to return a string.
  
  Thanks - you saved my day. I'm now using .encode('utf-8') before I return
  the string and now everything works.
Runaway Regular Expressions: Catastrophic Backtracking on 2009-10-27
- Consider the regular expression (x+x+)+y.
- just assume that each "x" represents something more complex, with certain strings being matched by both "x".
- 3 more annotations...
- - If you try this regex on a 10x string in RegexBuddy's debugger, it'll take 2558 steps to figure out the final y is missing. For an 11x string, it needs 5118 steps. For 12, it takes 10238 steps. Clearly we have an exponential complexity of O(2^n) here. At 21x the debugger bows out at 2.8 million steps, diagnosing a bad case of catastrophic backtracking.
  - In the above example, the sane thing to do is obviously to rewrite it as xx+y which eliminates the nested quantifiers entirely. Nested quantifiers are repeated or alternated tokens inside a group that is itself repeated or alternated.
  - The reason is that all the tokens are mutually exclusive. None of them can match any characters matched by any of the others.

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