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联网 App 第 3 课：点击挑战排行榜，字典存成绩、破纪录才写回、按分数排序...
...100 次就是 10 秒。
global 剩余 = 0
global 次数 = 0
when 按钮_开始.Click() {
if trim(文本输入框_名字.Text) == "" {
底部提示条1.Show("先填名字，成绩才能上榜")
} else {
次数 = 0
剩余 = 100
按钮_开始.Enabled = false
按钮_点我.Enab...
Why is `std::move` named `std::move`?
...
template <class T>
void
swap(T& a, T& b)
{
T tmp(static_cast<T&&>(a));
a = static_cast<T&&>(b);
b = static_cast<T&&>(tmp);
}
One has to recall that at this point in history, the only thing that "&&" could possibly mean w...
Bold & Non-Bold Text In A Single UILabel?
...d: 2012/10/14 21:59"
We only need to create the attributed string:
if ([_label respondsToSelector:@selector(setAttributedText:)])
{
// iOS6 and above : Use NSAttributedStrings
// Create the attributes
const CGFloat fontSize = 13;
NSDictionary *attrs = @{
NSFontAttributeNa...
mongodb/mongoose findMany - find all documents with IDs listed in array
I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ?
5 Answers
...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...
Using GHC 7.0.3, gcc 4.4.6, Linux 2.6.29 on an x86_64 Core2 Duo (2.5GHz) machine, compiling using ghc -O2 -fllvm -fforce-recomp for Haskell and gcc -O3 -lm for C.
Your C routine runs in 8.4 seconds (faster than your run probably because of -O3)
The Haskell solution runs in...
Casting vs using the 'as' keyword in the CLR
...bject obj) cil managed
{
// Code size 22 (0x16)
.maxstack 8
IL_0000: ldarg.1
IL_0001: isinst MyClass
IL_0006: brfalse.s IL_0015
IL_0008: ldarg.1
IL_0009: castclass MyClass
IL_000e: pop
IL_000f: ldarg.1
IL_0010: call void [mscorlib]System.Console::WriteL...
How can I link to a specific glibc version?
...clude <limits.h>
#include <stdlib.h>
#include <stdio.h>
__asm__(".symver realpath,realpath@GLIBC_2.2.5");
int main()
{
const char* unresolved = "/lib64";
char resolved[PATH_MAX+1];
if(!realpath(unresolved, resolved))
{ return 1; }
printf("%s\n", resolved)...
Get current domain
...
Try using this: $_SERVER['SERVER_NAME']
Or parse
$_SERVER['REQUEST_URI']
apache_request_headers()
share
|
improve this answer
...
What is the difference between require_relative and require in Ruby?
What is the difference between require_relative and require in Ruby?
7 Answers
7
...
How do you get the logical xor of two variables in Python?
...nt to bitwise xor when the domain is restricted to 0 and 1.
So the logical_xor function would be implemented like:
def logical_xor(str1, str2):
return bool(str1) ^ bool(str2)
Credit to Nick Coghlan on the Python-3000 mailing list.
...