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how to fire event on file select
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and what happens when you submit the form asynchronously, don't navigate away from the page, then attempt to upload the same file again? This code will only execute once, the second time, selecting the same file will not exe...
Why can't non-default arguments follow default arguments?
...ters must be placed before any default arguments. Simply because they are mandatory, whereas default arguments are not. Syntactically, it would be impossible for the interpreter to decide which values match which arguments if mixed modes were allowed. A SyntaxError is raised if the arguments are not...
How does comparison operator works with null int?
I am starting to learn nullable types and ran into following behavior.
4 Answers
4
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How to force a view refresh without having it trigger automatically from an observable?
Note: this is mostly for debugging and understanding KnockoutJS.
3 Answers
3
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Android - custom UI with custom attributes
...es or attributes to newly created UI elements (I mean not inherited, but brand new to define some specific behavior I am not able to handle with default propertis or attributes)
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JSON.parse vs. eval()
... just wondering if JSON.parse() - which I assume is a part of JavaScript and not a browser-specific function - is more secure.
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How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?
... Project Structure.
Under the Project menu for Project SDK, select "New" and
Select "Python SDK", then select "Local".
Provided you have a Python SDK installed, the flow should be natural from there - navigate to the location your Python installation lives.
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Guava: Why is there no Lists.filter() function?
...such as #get(index) on the returned List view (inviting performance bugs). And ListIterator would be a pain to implement as well (though I submitted a patch years ago to cover that).
Since indexed methods can't be efficient in the filtered List view, it's better to just go with a filtered Iterable,...
Find and copy files
...*.xml' -exec cp "{}" /home/shantanu/tosend \;
Please, note: the find command use {} as placeholder for matched file.
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Rails Console: reload! not reflecting changes in model files? What could be possible reason?
...troduced validations. However, if you create a new object, its attributes (and also validations) will reflect the reloaded code.
more here
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