How Django processes a request when matched regular expression returned no named groups? -


i have read documentation of django, http/url. have found information how django processes request here, says:

if matched regular expression returned no named groups, matches regular expression provided positional arguments.

i can't understand happens when regular expression returns no named groups (like "").


-

Comments

Post a Comment

Popular posts from this blog

c++ - CPP, 'X' button listener -

i'm writing cpp program, , want execute function when 'x'(shut down) button pressed. for example, have infinite loop prints same thing everytime iterates, until 'x' button pressed, , want execute function before process ends. is there kind of listener matter? or other solution maybe (like delaying process shut down few seconds or something)? thanks! if want execute before process ends, can register std::atexit handler. function called before process exits.
Read more

Get Max value from table in hibernate -

i using below java(1.7) function max value hsql using hibernate 4.3: public int getmaxid() { session session = hibernateutil.getsessionfactory().opensession(); query q = session.createquery("select cast(s.id integer) student s order cast(s.id integer) desc"); list result = q.list(); return integer.parseint(result.get(0).tostring()); } but getting below error: error: unexpected token: ) required: in statement [select cast(student0_.idasinteger) col_0_0_ public.public.student student0_ order cast(student0_.id integer)desc] exception in thread "main" org.hibernate.exception.sqlgrammarexception: not prepare statement @ org.hibernate.exception.internal.sqlexceptiontypedelegate.convert(sqlexceptiontypedelegate.java:80) @ org.hibernate.exception.internal.standardsqlexceptionconverter.convert(standardsqlexceptionconverter.java:49) @ org.hibernate.engine.jdbc.spi.sqlexceptionhelper.convert(sqlexceptionhelper.java:12...
Read more

php - Alamofire request parameters empty -

i'm trying send post request alarmofire library, request doesn't send parameters properly. my code: let parameters : parameters = [ "email": tfloginemail.text! string, "password": tfloginpassword.text! string ] alamofire.request(url, method: .post, parameters: parameters, encoding: jsonencoding.default).responsejson{ response in //some code uses response } the parameters variable has count of 2 , both values present, response request error email and/or password being empty. edit: php: /** * account login * url - /login * method - post * params - email, password */ $app->post('/login', function() use ($app) { // check required params verifyrequiredparams(array('email', 'password')); // reading post params $email = $app->request()->post('email'); $password = $app->request()->post('password'); $response ...
Read more