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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
...uestionID = a.QuestionID; seems to be the same basic query in a different order. any idea why?
– billynoah
Apr 12 '14 at 22:39
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Specifically, what's dangerous about casting the result of malloc?
.... That's going to be either a sign extension or zero extension of the low order 32-bits that it has been told malloc "returns" by omitting the prototype. Since int is signed I think the conversion will be sign extension, which will in this case convert the value to zero. With a return value of 0x...
How to dump a dict to a json file?
...
Good thing to remember here is that unless you use an OrderedDict (python >2.7) there is no guarantee that keys are ordered in any particular manner
– ford prefect
Aug 1 '17 at 18:08
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Databinding an enum property to a ComboBox in WPF
...r model - the enumeration type - in the view, in the ItemsSource param. In order to keep the view and the model decoupled I would need to create a copy of the enumeration in the ViewModel and code ViewModel to translate between the two... Which would make the solution not that simple any more. Or is...
How to detect a Christmas Tree? [closed]
... is either less than 0.2 on a 0.0-1.0 scale (corresponding roughly to the border between yellow and green) or greater than 0.95 (corresponding to the border between purple and red) and additionally I require bright, saturated colors: saturation and value must both be above 0.7. The results of the t...
Run JavaScript code on window close or page refresh?
...ntListener("beforeunload", function(e){
// Do something
}, false);
Usually, onbeforeunload is used if you need to stop the user from leaving the page (ex. the user is working on some unsaved data, so he/she should save before leaving). onunload isn't supported by Opera, as far as I know, but yo...
Pass array to ajax request in $.ajax() [duplicate]
... 'hello';
$.ajax({
type: "POST",
data: {info:info},
url: "index.php",
success: function(msg){
$('.answer').html(msg);
}
});
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How to implement a queue with three stacks?
...ic.
Let the elements queued into Q be numbered 1, 2, ..., based on their order of queue, with the first element that is queued into Q being defined as 1, the second one as 2, and so on.
Define
Q(0) := The state of Q when there are 0 elements in Q (and thus 0 elements in A, B and C)
Q(1) := The ...
What are the differences between Autotools, Cmake and Scons?
...
In truth, Autotools' only real 'saving grace' is that it is what all the GNU projects are largely using.
Issues with Autotools:
Truly ARCANE m4 macro syntax combined with verbose, twisted shell scripting for tests for "compatibility", etc.
If you're not paying attention, you will mess u...
Google OAuth 2 authorization - Error: redirect_uri_mismatch
... to set 'oauth2_redirect_uri' => 'postmessage' in the google API config.php file.
– user2998553
Jun 22 '14 at 18:50
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