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What are the applications of binary trees?
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I believe Hash Trees are commonly called Merkle Trees, at least within the bitcoin and ethereum communities, IPFS, etc.
– Duke
Apr 21 '16 at 20:50
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Which is faster: Stack allocation or Heap allocation
...). But even in this case, the compiler may notice that -- on the stack at least -- e will always be allocated at the same memory address, and then do constant folding like in (1) above. I get all iterations of the loop, but the object is never actually allocated.
Beyond the obvious, this test is...
Is std::vector so much slower than plain arrays?
....264 seconds
UseVector completed in 5.443 seconds
Nope, no different. At least it's not slower. I thought this would have performance similar to #2 where I used a Pixel& reference.
Conclusion
Even if some smart cookie figures out how to make the vector loop as fast as the array one, this doe...
Using StringWriter for XML Serialization
...tring afterwards?
No, your StringWriter code appears to be just fine (at least I see no issues in my limited testing using the 2nd code block from the question).
Wouldn't setting the encoding to UTF-16 (in the xml tag) work then?
It isn't necessary to provide the XML declaration. When it is ...
RE error: illegal byte sequence on Mac OS X
...that most Unix utilities that process file do not, and usually break or at least misbehave when faced with one. Without a BOM, file correctly identifies an all-7-bit bytes file as ASCII, and one that has valid UTF-8 multi-byte characters as UTF-8. The beauty of UTF-8 is that it is a superset of ASCI...
How to use java.net.URLConnection to fire and handle HTTP requests?
...BoundsException and consorts yourself.
Preparing
We first need to know at least the URL and the charset. The parameters are optional and depend on the functional requirements.
String url = "http://example.com";
String charset = "UTF-8"; // Or in Java 7 and later, use the constant: java.nio.charset...
How to jQuery clone() and change id?
I need to clone the id and then add a number after it like so id1 , id2 , etc. Everytime you hit clone you put the clone after the latest number of the id.
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Why is the gets function so dangerous that it should not be used?
...oved by the 2011 standard. Most C implementations still support it, but at least gcc issues a warning for any code that uses it.
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...d to replace JPEG images. A photograph saved as a PNG-24 will likely be at least 5 times larger than a equivalent JPEG image, which very little improvement in visible quality. (Of course, this may be a desirable outcome if you're not concerned about filesize, and want to get the best quality image y...
Swift and mutating struct
...r with proper performance. They may add this feature later, but not now at least.
For Objective-C programmers, mutable/immutable concepts are very familiar. In Objective-C we had two separated classes for each concept, but in Swift, you can do this with one struct. Half work.
For C/C++ programmers...