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Python hashable dicts
As an exercise, and mostly for my own amusement, I'm implementing a backtracking packrat parser. The inspiration for this is i'd like to have a better idea about how hygenic macros would work in an algol-like language (as apposed to the syntax free lisp dialects you normally find them in). Because...
PHP - Merging two arrays into one array (also Remove Duplicates)
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jQuery to serialize only elements within a div
...ke to get the same effect as jQuery.serialize() but I would like to return only the child elments of a given div .
8 Ans...
submitting a GET form with query string params and hidden params disappear
...takes the value of action, appends a `?' to it, then appends the form data set, encoded using the "application/x-www-form-urlencoded" content type.
Maybe one could percent-encode the action-URL to embed the question mark and the parameters, and then cross one's fingers to hope all browsers would le...
Java HashMap performance optimization / alternative
...the arrays should happen in the constructor. The code shown never seems to set the hashCode. Calculating the code can be done simpler as follows: int result = a[0]; result = result * 52 + a[1]; //etc.
– rsp
Nov 19 '09 at 16:20
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Difference between string and text in rails?
I'm making a new web app using Rails, and was wondering, what's the difference between string and text ? And when should each be used?
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How to delete an element from an array in C#
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10 Answers
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Aren't Python strings immutable? Then why does a + “ ” + b work?
...hat a points to, which can't be changed, and add " " to my current working set.
memory:
working_set = "Dog "
a = "Dog"
b = "eats"
c = "treats"
+ b says give me what b points to, which can't be changed, and add it to current working set.
memory:
working_set = "Dog eats"
a = "Dog"
b = "eats"
c...
How to change past commit to include a missed file?
I have committed a change and forgot to add a file to the change set. After other commits, I realized the file is now missing from a HEAD^4 commit.
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START_STICKY and START_NOT_STICKY
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