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How to use glOrtho() in OpenGL?
...this picture: Graphical Projections
The glOrtho command produces an "Oblique" projection that you see in the bottom row. No matter how far away vertexes are in the z direction, they will not recede into the distance.
I use glOrtho every time I need to do 2D graphics in OpenGL (such as health bars...
Understanding recursion [closed]
... ;
return 5 + 7
+ 3 ;
return 5 + 10 ;
return 15 ;
Now see how we conquered a structure of arbitrary depth and "branchiness", by considering it as the repeated application of a composite template? each time through our sumNode function, we dealt with only a single node, using a single if/then...
Most simple but complete CMake example
...l I want to know is, how should I structure my project, so that my CMake requires the least amount of maintainance in the future. For example, I don't want to update my CMakeList.txt when I am adding a new folder in my src tree, that works exactly like all other src folders.
...
Should I use Vagrant or Docker for creating an isolated environment? [closed]
...ual machine depending on VirtualBox (or others) with a huge overhead. It requires you to have a hard drive file that can be huge, it takes a lot of ram, and performance may be not very good.
Docker on the other hand uses kernel cgroup and namespacing via LXC. It means that you are using the same ke...
Peak signal detection in realtime timeseries data
...working after drawing lag number of observations.
Result
For the original question, this algorithm will give the following output when using the following settings: lag = 30, threshold = 5, influence = 0:
Implementations in different programming languages:
Matlab (me)
R (me)
Golang (Xeoncross)...
Creating an API for mobile applications - Authentication and Authorization
...fits my criteria (however my criteria my be misguided so feel free to critique that as well). Additionally, I want the API to be the same for all platforms/applications consuming it.
...
分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...中的虚线，那些F,T是Failuer或Timeout，其中的：状态含义是 q – Query，a – Abort，w – Wait，p – PreCommit，c – Commit）
从上图的状态变化图我们可以从虚线（那些F,T是Failuer或Timeout）看到——如果结点处在P状态（PreC...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...s -march=native
Ubuntu 12
Different Registers: 18.6195 GB/s
.L4:
movq (%rbx,%rax,8), %r8
movq 8(%rbx,%rax,8), %r9
movq 16(%rbx,%rax,8), %r10
movq 24(%rbx,%rax,8), %r11
addq $4, %rax
popcnt %r8, %r8
add %r8, %rdx
popcnt %r9, %r9
add %r9, %r...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...024
oracle hard nofile 65536
/etc/pam.d/login添加：
session required pam_limits.so
创建磁盘组
GRID 安装完成 在GRID 用户下输入asmca
创建 Flash_Recovery 盘组
所有盘组都创建完成后退出
开始安装oracle software
使用ora...
How to get client's IP address using JavaScript?
...
I would use a web service that can return JSON (along with jQuery to make things simpler). Below are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer.
Cloudflare
Try it:...