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What does O(log n) mean exactly?
...put affects the growth of the algorithm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permutation generators, with O(n!) times, that grow by factorials.
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How to generate .NET 4.0 classes from xsd?
...r, that most of the intrinsic options here haven't changed much since 2.0
For the options, use xsd /? or see MSDN; for example /enableDataBinding can be useful.
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Why would a JavaScript variable start with a dollar sign? [duplicate]
...to distinguish jQuery objects stored in variables from other variables.
For example, I would define:
var $email = $("#email"); // refers to the jQuery object representation of the dom object
var email_field = $("#email").get(0); // refers to the dom object itself
I find this to be very helpful...
Best way to parse RSS/Atom feeds with PHP [closed]
...gpie RSS but it sometimes falls over when the RSS or Atom feed isn't well formed. Are there any other options for parsing RSS and Atom feeds with PHP?
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How do I change the working directory in Python?
...owsError, OSError) on invalid path. If the exception is thrown, do not perform any recursive operations, especially destructive ones. They will operate on the old path and not the new one.
Return to your old directory when you're done. This can be done in an exception-safe manner by wrapping your...
JSTL in JSF2 Facelets… makes sense?
...'s turn to run from top to bottom again, producing the HTML output.
<c:forEach> vs <ui:repeat>
For example, this Facelets markup iterating over 3 items using <c:forEach>:
<c:forEach items="#{bean.items}" var="item">
<h:outputText id="item_#{item.id}" value="#{item.v...
Export database schema into SQL file
...ere are the steps:
Right click the database you want to generate scripts for (not the table) and select tasks - generate scripts
Next, select the requested table/tables, views, stored procedures, etc (from select specific database objects)
Click advanced - select the types of data to script
Clic...
decorators in the python standard lib (@deprecated specifically)
...utines as deprecated, but apparently there's no standard library decorator for deprecation. I am aware of recipes for it and the warnings module, but my question is: why is there no standard library decorator for this (common) task ?
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Java regex email
First of all, I know that using regex for email is not recommended but I gotta test this out.
20 Answers
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Alternative to itoa() for converting integer to string C++? [duplicate]
I was wondering if there was an alternative to itoa() for converting an integer to a string because when I run it in visual Studio I get warnings, and when I try to build my program under Linux, I get a compilation error.
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