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How large should my recv buffer be when calling recv in the socket library
...w how big to make the buffer passed to recv()?
SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interactive one just pick a size that can hold the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is tran...
UIView frame, bounds and center
...ed on Stanford CS193p course. Credits goes to @Rhubarb.
Using the frame allows you to reposition and/or resize a view within its superview. Usually can be used from a superview, for example, when you create a specific subview. For example:
// view1 will be positioned at x = 30, y = 20 starting t...
Is AsyncTask really conceptually flawed or am I just missing something?
...p with different solutions to it, which I am not happy with since they are all massive hacks. I still cannot believe that a class that flawed in design made it into the framework and no-one is talking about it, so I guess I just must be missing something.
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Is Java really slow?
...my opinion, this is the main reason Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (includ...
Fastest way to check if a string is JSON in PHP?
I need a really, really fast method of checking if a string is JSON or not. I feel like this is not the best way:
30 Answer...
C++ STL Vectors: Get iterator from index?
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Generally, you can use the same arithmetic with STL iterators than with pointers. They are designed to be exchangeable when using STL algorithms.
– Vincent Robert
Mar 22 '09 at 21:07
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Is there any way to close a StreamWriter without closing its BaseStream?
My root problem is that when using calls Dispose on a StreamWriter , it also disposes the BaseStream (same problem with Close ).
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Android phone orientation overview including compass
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Roll is a function of gravity, a 90 degree roll puts all of gravity into the x register.
Pitch is the same, a 90 degree pitch up puts all of the component of gravity into the y register.
Yaw / Heading / azimuth has no effect on gravity, it is ALWAYS at right angles to gravity...
Why is LINQ JOIN so much faster than linking with WHERE?
...ite efficient because the DB knows how to perform a join. But it doesn't really make sense to compare it with the other approaches, since they work directly in memory (Linq to DataSet)
The query with multiple tables and a Where condition actually performs a cartesian product of all the tables, then ...
Finding duplicates in O(n) time and O(1) space
... This is amazing! I've seen a number of variants on this question, usually more constrained, and this is the most general way to solve it that I've seen. I'll simply mention that changing the print statement to print i turns this into a solution to stackoverflow.com/questions/5249985/… and (...