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Schema for a multilanguage database
... This option is similar to my option nr 1 but better. It is still hard to maintain and requires creating new tables for new languages, so I'd be reluctant to implement it.
– qbeuek
Nov 27 '08 at 10:22
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OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...句柄。此时注意,wParam与lParam已经装满了数据,再也传递不了别的数据了,这些消息只能是简单的通告消息。举个例子,BN_CLICKED通告消息,无法发送按下鼠标按键时鼠标的位置信息。
当Windows 3.x下的控件需要发送包括额外数据...
Solving “Who owns the Zebra” programmatically?
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Here's a solution in Python based on constraint-programming:
from constraint import AllDifferentConstraint, InSetConstraint, Problem
# variables
colors = "blue red green white yellow".split()
nationalities = "Norwegian German Dane Swede English".split()
pet...
C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...少内存碎片。(其实,我个人觉得也没多高了,反正你跑不了要用做偏移量的加法来寻址)
我们来看看是怎么个连续的,用gdb的x命令来查看:(我们知道,用struct line {}中的那个char contents[]不占用结构体的内存,所以,struct line...
App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
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App Inventor 2 项目合并工具 AIMerge
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App Inventor 2 项目合并工具
本文档最初由米尔斯学院(Mills College)的 Kate Feeney 为 AI Classic 编写。该计划在她的论文通...
linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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主配置文件的590行!
以上证明:拒绝ip,却拒绝不了访问该网站,因为一个服务器可对应于多个ip
4.4 拒绝访问带某个域名的网站 :禁止用户访问域名包含有sina.com的网站。
日志信息:
1346407353.802 12 192.168.2.22 TCP_...
Which is faster: Stack allocation or Heap allocation
This question may sound fairly elementary, but this is a debate I had with another developer I work with.
23 Answers
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Why does changing 0.1f to 0 slow down performance by 10x?
... on whether 0 or 0.1 is used.
Here's the test code compiled on x64:
int main() {
double start = omp_get_wtime();
const float x[16]={1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,2.4,2.5,2.6};
const float z[16]={1.123,1.234,1.345,156.467,1.578,1.689,1.790,1.812,1.923,2.034,2.145...
LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...存使用率分别不超过75%、70%,那么按照所示的流程,我们开始分析,看看本次测试是否达到了预期的性能指标,其中又有哪些性能隐患,该如何解决。
图1- 1性能测试结果分析流程图
结果摘要
LoadRunner进行场景测试结果...
在 App Inventor 2 中使用图像 · App Inventor 2 中文网
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Determining the size of the image on the screen
Details on fixed vs. responsive sizing
In summary: What MIT App Inventor Programmers Should Do
Synopsis: App Inventor works best if you use images whose size matches the size you want them to appear on your screen...
