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Sending multipart/formdata with jQuery.ajax

...jQuery.ajax(opts); Create FormData from an existing form Instead of manually iterating the files, the FormData object can also be created with the contents of an existing form object: var data = new FormData(jQuery('form')[0]); Use a PHP native array instead of a counter Just name your file e...
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How to retry after exception?

I have a loop starting with for i in range(0, 100) . Normally it runs correctly, but sometimes it fails due to network conditions. Currently I have it set so that on failure, it will continue in the except clause (continue on to the next number for i ). ...
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Using Sinatra for larger projects via multiple files

It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
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How to check whether a script is running under Node.js?

...ly thing commonJS specifies is that A: The modules will be included via a call to the function require and B: The modules exports things via properties on the exports object. Now how that is implement is left to the underlying system. Node.js wraps the module's content in an anonymous function: fun...
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How do I get a string format of the current date time, in python?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Useful GCC flags for C

Beyond setting -Wall , and setting -std=XXX , what other really useful, but less known compiler flags are there for use in C? ...
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What are POD types in C++?

...pod<MyType>() to tell whether MyType is POD. – allyourcode Mar 31 '14 at 21:24 7 Bjarne Str...
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More elegant way of declaring multiple variables at the same time

...variables with Boolean values is the best way to write your routine (especially if they really have one-letter names :) Depending on what you're doing, it may make sense to use a dictionary instead. For example, if you want to set up Boolean preset values for a set of one-letter flags, you could d...
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How can I reliably get an object's address when operator& is overloaded?

...argument and returning no result. This reference to a function can be trivially converted into a pointer to function -- from @Konstantin: According to 13.3.3.2 both T & and T * are indistinguishable for functions. The 1st one is an Identity conversion and the 2nd one is Function-to-Pointer conve...
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How to use ng-repeat without an html element

I need to use ng-repeat (in AngularJS) to list all of the elements in an array. 8 Answers ...