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What is dynamic programming? [closed]
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The key bits of dynamic programming are "overlapping sub-problems" and "optimal substructure". These properties of a problem mean that an optimal solution is composed of the optimal solutions to its sub-problems. For instance, shorte...
Get an OutputStream into a String
...teful for productional use, there is a way too many conversion and it is a bit loose. This was just coded to prove to you that it is totally possible to create a custom OuputStream and output a string. But just go Horcrux7 way and all is good with merely two method calls.
And the world lives on an...
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
... myself to use spaces too, but editor (at least Eclipse + PyDev) wise tabs wins especially if you enable show invisible characters. And I can easily set tabs to be 4, 8, 6 spaces visually. So in my code at least I value personal preference, and stick to spaces if that is the established convention i...
X-Frame-Options Allow-From multiple domains
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X-Frame-Options is deprecated. From MDN:
This feature has been removed from the Web standa...
What's the best way to validate an XML file against an XSD file?
... is basically the same as the accepted answer. This solution seems to me a bit inefficient though, as it unnecessarily builds the DOM for the xml to parse: parser.parse(new File("instance.xml")). The validator accepts a Source, so you can: validator.validate(new StreamSource(new File("instance.xml")...
RESTfully design /login or /register resources?
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Restful indeed is a way to make yourself unhappy and waste time on things that don't matter at all.
– Jian Chen
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How do you dynamically add elements to a ListView on Android?
...tion might be to create unnamed List object in Adapter than to create a 16 bit pointer to an list object. Which is not needed after creating the adapter because adapter has an add method.
– user9599745
Aug 21 '19 at 14:14
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How to determine MIME type of file in android?
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this worked. bit overly verbose for my liking though.
– filthy_wizard
Mar 16 '18 at 21:02
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Concept of void pointer in C programming
...e must be aligned at boundary of the size of data type (e.g. pointer to 32-bit integer must be aligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way of r...
What is Node.js? [closed]
...ing HTTP connection will fire off a JavaScript function that does a little bit of work and kicks off other asynchronous tasks like connecting to a database or pulling content from another server. Once these tasks have been kicked off, the event function finishes and Node.js goes back to sleep. As so...