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Rails migrations: Undo default setting for a column
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Thanks! I haven't found this hint in the docs by myself! Hopefull they build in the dropping of default values into migrations in future versions of rails.
– wulfovitch
May 20 '09 at 12:33
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Adding IN clause List to a JPA Query
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but that is a bug (HHH-5126) (EDIT: which has been resolved by now).
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disable all form elements inside div
...all fields (textarea/textfield/option/input/checkbox/submit etc) in a form by telling only the parent div name in jquery/javascript?
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RESTful call in Java
...any other constraints or aspects of the REST architecture style identified by Fielding. The abstractions provided by various REST frameworks are therefore confusing and unhelpful.
So: you want to send HTTP requests using Java in 2015. You want an API that is clear, expressive, intuitive, idiomatic,...
Getting the parent div of element
...parentNode;
Handy References:
DOM2 Core specification - well-supported by all major browsers
DOM2 HTML specification - bindings between the DOM and HTML
DOM3 Core specification - some updates, not all supported by all major browsers
HTML5 specification - which now has the DOM/HTML bindings in it...
Thread Safety in Python's dictionary
...rm-global-interpreter-lock
This simplifies the CPython implementation by making the object model (including critical built-in types such as dict) implicitly safe against concurrent access.
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how to bypass Access-Control-Allow-Origin?
...to process.
However it cannot get the processed data back as it is blocked by "Access-Control-Allow-Origin"
6 Answers
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How do I use an INSERT statement's OUTPUT clause to get the identity value?
...r the time being I have went with the @OutputTbl method, but I'm intrigued by the other options.
– Eric Bishard
Sep 20 '16 at 16:24
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How to generate a random number in C++?
... function or class producing actually random data definitively (guaranteed by the standard). The only standard tool that approaches this problem is std::random_device that unfortunately still does not provide guarantees of actual randomness.
Depending on the nature of application you should first de...
MySQL - force not to use cache for testing speed of query
...ry cache at server startup, set the query_cache_size system variable to 0. By disabling the query cache code, there is no noticeable overhead. If you build MySQL from source, query cache capabilities can be excluded from the server entirely by invoking configure with the --without-query-cache option...