I am reading David Beazley\'s Python Reference book and he makes a point: For example, if you were performing a
For a serializing system, I need to allocate buffers to write data into. The size needed is not known in advance, so the basic pattern is to malloc N bytes and use realloc if more is needed. The size
If I take a slice of a table using, say the column names, does R allocate memory to hold the slice in a new location? Specifically, I have a table with columns depth1 and depth2, among others. I want
I\'d like to \'shear\' a numpy array. I\'m not sure I\'m using the term \'shear\' correctly; by shear, I mean something like:
I\'ve had no real luck getting a concise answer for this comparison by using Google and rather than do my own time consuming evaluations, I thought I would ask firs开发者_高级运维t.
There are开发者_如何学编程 two types of if statements in java - classic: if {} else {} and shorthand: exp ? value1 : value2. Is one faster than the other or are they the same?
I\'m looking over a document that describes various techniques to improve performance of Lua script code, and I\'m shocked that such tricks would be required. (Although I\'m quoting Lua, I\'ve seen si
Which of these is more开发者_如何学C efficient in ColdFusion? isDefined(\'url.myvar\') or structKeyExists(url, \'myvar\')
Is there any per开发者_JAVA技巧formance benefit one way or another?Is it compiler/VM specific?I am using Hotspot.First: you shouldn\'t be making the choice of static vs non-static on the basis of perf
Question of the century? I basically want to know which would be more efficient if I wrote this code as several different variables or if I used small arrays.