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How do I execute inserts and updates in an Alembic upgrade script?

... other forms. Note that Alembic provides some basic data functions: op.bulk_insert() and op.execute(). If the operations are fairly minimal, use those. If the migration requires relationships or other complex interactions, I prefer to use the full power of models and sessions as described below. T...
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How to select multiple files with ?

...ltiple="multiple" and if you are using php then you will get the data in $_FILES and use var_dump($_FILES) and see output and do processing Now you can iterate over and do the rest share | improve...
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Why does Javascript's regex.exec() not always return the same value? [duplicate]

... matches by performing the assignment as the loop condition. var re = /foo_(\d+)/g, str = "text foo_123 more text foo_456 foo_789 end text", match, results = []; while (match = re.exec(str)) results.push(+match[1]); DEMO: http://jsfiddle.net/pPW8Y/ If you don't like the placem...
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How do I run a single test with Nose in Pylons

... nosetests appname.tests.functional.test_controller should work, where the file is named test_controller.py. To run a specific test class and method use a path of the form module.path:ClassNameInFile.method_name, that is, with a colon separating the module/file pa...
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Is there a way to include commas in CSV columns without breaking the formatting?

... Enclose the field in quotes, e.g. field1_value,field2_value,"field 3,value",field4, etc... See wikipedia. Updated: To encode a quote, use ", one double quote symbol in a field will be encoded as "", and the whole field will become """". So if you see the follow...
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How to send multiple data fields via Ajax? [closed]

...ries[0] = 'ga'; countries[1] = 'cd'; after that you can do like: var new_countries = countries.join(',') after: $.ajax({ type: "POST", url: "Concessions.aspx/GetConcessions", data: new_countries, ... This thing work as JSON string format. ...
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How to find event listeners on a DOM node when debugging or from the JavaScript code?

...s an error: XMLHttpRequest cannot load A.com/js/jquery-ui-1.10.3.custom.js?_=1384831682813. Origin B.com is not allowed by Access-Control-Allow-Origin. – hiway Nov 19 '13 at 3:50 5...
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Tree data structure in C#

...eate a method with the signature of delegate ie for a tree of ints: void my_visitor_impl(int datum) - make it static if you need, instantiate a delgate: TreeVisitor<int> my_visitor = my_visitor_impl; and then invoke on the root node or NTree class if u make it static: NTree<int>.traverse...
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What is the type of lambda when deduced with “auto” in C++11?

... is no such thing as "a name the compiler decides upon". The result of type_info::name() is implementation-defined, so it may return anything. In practice, the compiler will name the type for the sake of the linker. – avakar Oct 31 '11 at 19:46 ...
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PHP abstract properties

...cks (say, in the constructor) for the $tablename variable, e.g.: class Foo_Abstract { public final function __construct(/*whatever*/) { if(!isset($this->tablename)) throw new LogicException(get_class($this) . ' must have a $tablename'); } } To enforce this for all derived classes...