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python Programming Glossary: idshow to filter duplicate requests based on url in scrapy http://stackoverflow.com/questions/12553117/how-to-filter-duplicate-requests-based-on-url-in-scrapy changes. Now if I have a set which accumulates all ids I could ignore it in my cllback function parse_item thats my.. RFPDupeFilter A dupe filter that considers specific ids in the url def __getid self url mm url.split refer 0 #or something..
Filter zipcodes by proximity in Django with the Spherical Law of Cosines http://stackoverflow.com/questions/1916953/filter-zipcodes-by-proximity-in-django-with-the-spherical-law-of-cosines stores HAVING distance 25 ORDER BY distance LIMIT 0 20 ids row 0 for row in cursor.fetchall return MyModel.filter id__in.. 0 for row in cursor.fetchall return MyModel.filter id__in ids As a disclaimer I can't vouch for this code as it's been a few..
when does Python allocate new memory for identical strings? http://stackoverflow.com/questions/2123925/when-does-python-allocate-new-memory-for-identical-strings id ab id a b # same list of N names from 50 states 50 ids mem ~ 4N 50S each string once but list file mem again N ids.. mem ~ 4N 50S each string once but list file mem again N ids mem ~ N 4 S from __future__ import division from collections.. Delaware FL Florida GA Georgia def nid alist nr distinct ids return d ids d pickle len len set map id alist len cPickle.dumps..
Python memory usage? loading large dictionaries in memory http://stackoverflow.com/questions/2211965/python-memory-usage-loading-large-dictionaries-in-memory is the average length of the key field in BYTES Are the ids all integer If so what are the min and max integer If not what..
How to get something random in datastore (AppEngine)? http://stackoverflow.com/questions/3450926/how-to-get-something-random-in-datastore-appengine Image.get_by_id random_numb But it turns out that the ids in the datastore on AppEngine don't start from 1. I have two.. start from 1. I have two images in datastore and their ids are 6001 and 7001. Is there a better way to retrieve random..
Dynamically adding a form to a Django formset with Ajax http://stackoverflow.com/questions/501719/dynamically-adding-a-form-to-a-django-formset-with-ajax label inside the new form replacing all the field names ids from something like id_clients N name to id_clients N 1 name..
How to create a dynamic view on OpenERP http://stackoverflow.com/questions/6569828/how-to-create-a-dynamic-view-on-openerp True _defaults 'state' 'init' def next self cr uid ids context None if context is None context formula_obj self.browse.. if context is None context formula_obj self.browse cr uid ids 0 formula_name formula_obj.name infix formula_obj.expression.. and expression modobj self.pool.get 'ir.module.module' mids modobj.search cr uid 'state' ' ' 'installed' modobj.update_translations..
SQLite Performance Benchmark — why is :memory: so slow…only 1.5X as fast as disk? http://stackoverflow.com/questions/764710/sqlite-performance-benchmark-why-is-memory-so-slow-only-1-5x-as-fast-as-d each of these numqs 10 numqrows 300000 #max number of ids of each kind results np.zeros numqs 3 for qq in range numqs.. np.arange cmax 0 qsize #ensure uniqueness of ids queried id2a np.sort np.random.permutation np.arange gmax 0..
Good graph traversal algorithm http://stackoverflow.com/questions/1320688/good-graph-traversal-algorithm traversal share improve this question To remember IDs of the users you've already visited you need a map of a length..
Thread local storage in Python http://stackoverflow.com/questions/1408171/thread-local-storage-in-python 5252 3 0 1 4 9 16 25 36 49 64 81 ... of course the thread IDs and the counts for each and order will vary from run to run...
Checking File Permissions in Linux with Python http://stackoverflow.com/questions/1861836/checking-file-permissions-in-linux-with-python checks for a specific user real rather than effective IDs to help out with suid situations . os.stat is the right way..
Filter zipcodes by proximity in Django with the Spherical Law of Cosines http://stackoverflow.com/questions/1916953/filter-zipcodes-by-proximity-in-django-with-the-spherical-law-of-cosines . My suggestion is write the query to pull a list of IDs which it looks like you're doing now then use the IDs to pull.. of IDs which it looks like you're doing now then use the IDs to pull the associated models in a regular non raw SQL Django..
Python memory usage? loading large dictionaries in memory http://stackoverflow.com/questions/2211965/python-memory-usage-loading-large-dictionaries-in-memory Value stored as int not str But that's not all. If the IDs are actually integers we can store them as such. sys.getsizeof..
How to correct bugs in this Damerau-Levenshtein implementation? http://stackoverflow.com/questions/3431933/how-to-correct-bugs-in-this-damerau-levenshtein-implementation # CONVERTING UNICODE TO CHARACTER IDs CIDs # cdef unsigned int _UMX_surrogate_lower_bound 0x10000.. # CONVERTING UNICODE TO CHARACTER IDs CIDs # cdef unsigned int _UMX_surrogate_lower_bound 0x10000.. space in the case of a Unicode # text there may be fewer CIDs if there happen to be surrogate characters cdef unsigned int..
How to get something random in datastore (AppEngine)? http://stackoverflow.com/questions/3450926/how-to-get-something-random-in-datastore-appengine improve this question The datastore is distributed so IDs are non sequential two datastore nodes need to be able to generate..
Symmetric integer to integer encryption http://stackoverflow.com/questions/4028998/symmetric-integer-to-integer-encryption gets a URL e.g. example.com thing 123456 Right now those IDs are sequential. I want to hide the fact that they're sequential.. I want to hide the fact that they're sequential database IDs . The stuff on those pages is not top secret or anything like.. So with some kind of two way numeric encryption the URL IDs will not be sequential at all and it would take someone quite..
Counting collisions in a Python dictionary http://stackoverflow.com/questions/4865325/counting-collisions-in-a-python-dictionary implemented using dictionaries. The keys I'm using are IDs of Python objects which are unique integers so I know they all..
Dynamically adding a form to a Django formset with Ajax http://stackoverflow.com/questions/501719/dynamically-adding-a-form-to-a-django-formset-with-ajax full of say Client models the management fields will have IDs of id_clients TOTAL_FORMS and id_clients INITIAL_FORMS while..
Can you use a string to instantiate a class in python? http://stackoverflow.com/questions/553784/can-you-use-a-string-to-instantiate-a-class-in-python opinions based on where the data is coming from. These IDs are entered in a file that no one else has access to. I'm not..
How to efficiently store this parsed XML document in MySQL Database using Python? http://stackoverflow.com/questions/7327924/how-to-efficiently-store-this-parsed-xml-document-in-mysql-database-using-python the dataset for each book author. I can use the IDs and pass them to the functions to preserve the relation but.. Book itself. Maintain the AuthorList as a dict of their IDs pointing to the actual Author objects. Use a data member of..
KeyError in module 'threading' after a successful py.test run http://stackoverflow.com/questions/8774958/keyerror-in-module-threading-after-a-successful-py-test-run for a while. The _active dictionary maps thread IDs as returned by _get_ident to Thread instances for all threads.. . Obviously both calls return different IDs for main thread. Now if threading module is loaded before monkey..
Joining a set of ordered-integer yielding Python iterators http://stackoverflow.com/questions/969709/joining-a-set-of-ordered-integer-yielding-python-iterators iterate over each posting list and yield only the document IDs that appear on every list. As you can see from the link above..
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