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Difference between Math.Floor() and Math.Truncate()
..._□)
To the left... Math.floor
Take it back now y'all... --
Two hops this time... -=2
Everybody clap your hands ✋✋
How low can you go? Can you go down low? All the way to the floor?
if (this == "wrong")
return "i don't wanna be right";
Math.truncate(x) is also the same as int(x).
by removi...
Read whole ASCII file into C++ std::string [duplicate]
... voting this up, here is a quick question, say I have a 1MB file, how many times will the "end" passed to the std::string constructor or assign method be invoked? People think these kind of solutions are elegant when in fact they are excellent examples of HOW NOT TO DO IT.
– Ma...
What is the difference in maven between dependency and plugin tags in pom xml?
...talking about the life cycle of maven.. but why goal again? any hints? Sometimes i see people put life cycle keyword at goal... ??? (?.?)
– taymedee
Jan 4 '15 at 13:52
...
Remove last character from string. Swift language
...
let name: String = "Dolphin"
let stringLength = count(name) // Since swift1.2 `countElements` became `count`
let substringIndex = stringLength - 1
name.substringToIndex(advance(name.startIndex, substringIndex)) // "Dolphi"
Alternatively (for a more practical, but less educational example) you can...
How to measure code coverage in Golang?
... verify ATM, I'm not at release as I have a CL pending, but the cov binary time stamp I see in ~/go/pkg/tool/linux_amd64 matches my last Go build of yesterday.
– zzzz
May 9 '12 at 13:47
...
Find the nth occurrence of substring in a string
...split(). So we actually have to copy the whole file into memory:
In [4]: %time s = mm[:]
CPU times: user 813 ms, sys: 3.25 s, total: 4.06 s
Wall time: 17.7 s
Ouch! Fortunately s still fits in the 4 GB of memory of my Macbook Air, so let's benchmark findnth():
In [5]: %timeit find_nth.findnth(s, ...
How can I profile Python code line-by-line?
...d for. From the link:
File: pystone.py
Function: Proc2 at line 149
Total time: 0.606656 s
Line # Hits Time Per Hit % Time Line Contents
==============================================================
149 @profile
150 ...
How do I print the type or class of a variable in Swift?
...
Edit: A new toString function has been introduced in Swift 1.2 (Xcode 6.3).
You can now print the demangled type of any type using .self and any instance using .dynamicType:
struct Box<T> {}
toString("foo".dynamicType) // Swift.String
toString([1, 23, 456].dynamic...
What is more efficient? Using pow to square or just multiply it with itself?
...:
#include <cstdlib>
#include <cmath>
#include <boost/date_time/posix_time/posix_time.hpp>
inline boost::posix_time::ptime now()
{
return boost::posix_time::microsec_clock::local_time();
}
#define TEST(num, expression) \
double test##num(double b, long loops) \
{ \
doubl...
UITableView - change section header color
... an explicit release. UITableView formatting methods are called many, many times. Avoid using autorelease when possible.
– memmons
Jun 30 '11 at 22:54
...