http://code.activestate.com/recipes/tags/meta:requires=__builtin__/2011-02-07T06:37:52-08:00ActiveState Code Recipes2011-02-07T06:37:52-08:00Kevin L. Sitzehttp://code.activestate.com/recipes/users/4173535/http://code.activestate.com/recipes/577565-binary-search-function/

<p style="color: grey"> Python recipe 577565 by <a href="/recipes/users/4173535/">Kevin L. Sitze</a> (<a href="/recipes/tags/binary/">binary</a>, <a href="/recipes/tags/binary_search/">binary_search</a>, <a href="/recipes/tags/bsearch/">bsearch</a>, <a href="/recipes/tags/functional/">functional</a>, <a href="/recipes/tags/lower_bound/">lower_bound</a>, <a href="/recipes/tags/optimal_solution/">optimal_solution</a>, <a href="/recipes/tags/search/">search</a>, <a href="/recipes/tags/upper_bound/">upper_bound</a>). Revision 3. </p> <p>For a number of years Python has provided developers with the special parameters 'cmp' and 'key' on list.sort and __builtin__.sorted. However Python does not provide a built-in mechanism for doing binary searches on such sorted lists. This recipe provides a simple function that allows you to perform binary searches on your sorted sequences.</p>

2008-12-21T05:50:07-08:00Michael Ihdehttp://code.activestate.com/recipes/users/4168518/http://code.activestate.com/recipes/576591-simple-shelve-with-linux-file-locking/

<p style="color: grey"> Python recipe 576591 by <a href="/recipes/users/4168518/">Michael Ihde</a> (<a href="/recipes/tags/dynamic_method/">dynamic_method</a>, <a href="/recipes/tags/locking/">locking</a>, <a href="/recipes/tags/shelve/">shelve</a>). </p> <p>The shelve module is a easy way to add persistence to your application via a DBM database. However, if you have multiple reader/writer combination you need to lock the file to prevent corruption. The shelve module itself does not provide locking because it is platform specific. If you only need Linux, this simple module provide an easy way to support locking using dynamically added methods.</p>

2008-07-28T09:40:16-07:00Robin Beckerhttp://code.activestate.com/recipes/users/880795/http://code.activestate.com/recipes/576381-mad-debugging-using-__builtin__/

<p style="color: grey"> Python recipe 576381 by <a href="/recipes/users/880795/">Robin Becker</a> . </p> <p>Nasty way to get your debugging functions available everywhere.</p>

2010-11-16T08:36:38-08:00Raymond Hettingerhttp://code.activestate.com/recipes/users/178123/http://code.activestate.com/recipes/277940-decorator-for-bindingconstants-at-compile-time/

<p style="color: grey"> Python recipe 277940 by <a href="/recipes/users/178123/">Raymond Hettinger</a> (<a href="/recipes/tags/programs/">programs</a>). Revision 9. </p> <p>Decorator for automatic code optimization. If a global is known at compile time, replace it with a constant. Fold tuples of constants into a single constant. Fold constant attribute lookups into a single constant.</p>

2006-01-02T10:57:10-08:00Martin Blaishttp://code.activestate.com/recipes/users/1643324/http://code.activestate.com/recipes/465756-builtin-i18n-_-function-in-a-multi-threaded-enviro/

<p style="color: grey"> Python recipe 465756 by <a href="/recipes/users/1643324/">Martin Blais</a> (<a href="/recipes/tags/web/">web</a>). </p> <p>Injecting _() in the __builtin__ module in order to inject global functions _() and N_() is common in applications which need i18n. This is a variation on the theme that does this in a multi-threaded environment, using threading.local from Python-2.4.</p>

2005-01-30T00:36:19-08:00Nitesh Patelhttp://code.activestate.com/recipes/users/706897/http://code.activestate.com/recipes/364707-enumerate-before-python-23/

<p style="color: grey"> Python recipe 364707 by <a href="/recipes/users/706897/">Nitesh Patel</a> . Revision 2. </p> <p>Python 2.3+ "enumerate" function is pretty handy. This bit of code should allow you to use it transparently in pre-Python 2.3 systems.</p>

2010-07-30T22:44:13-07:00Raymond Hettingerhttp://code.activestate.com/recipes/users/178123/http://code.activestate.com/recipes/355690-add-key-argument-to-min-max-heapqnsmallest-and-nla/

<p style="color: grey"> Python recipe 355690 by <a href="/recipes/users/178123/">Raymond Hettinger</a> (<a href="/recipes/tags/shortcuts/">shortcuts</a>). Revision 3. </p> <p>Modeled after the key= argument to list.sort() and sorted().</p>

2001-09-27T15:49:21-07:00Brian McErleanhttp://code.activestate.com/recipes/users/111980/http://code.activestate.com/recipes/65109-building-gtk-guis-interactively/

<p style="color: grey"> Python recipe 65109 by <a href="/recipes/users/111980/">Brian McErlean</a> (<a href="/recipes/tags/ui/">ui</a>). Revision 3. </p> <p>One of pythons greatest strengths is the ability to try things interactively at the interpreter. Using Tkinter shares this strength, since one can create buttons, windows and other widgets, and instantly see them onscreen, click on buttons to activate callbacks and still be able to edit and add to the widgets from the python command line.</p> <p>While the python GTK bindings are generally excellent, one of their flaws is that this is not possible. Before anything is actually displayed, the gtk.mainloop() function must be called, ending the possibility of interactive manipulation.</p> <p>This recipe is a program which simulates a python interpreter which transparently allows the user to use gtk widgets without having to call mainloop(), in much the same way as Tk widgets.</p> <p>This latest version contains enhancements added by Christian Robottom Reis to add readline completion support.</p>