I have encountered a problem that when I use opencv API, I cannot change the width and height of Webcam output: cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, ); cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT, ); But after seaching th…
在做基因表达分析时必然会要做差异分析(DE) DE的方法主要有两种: Fold change t-test fold change的意思是样本质检表达量的差异倍数,log2 fold change的意思是取log2,这样可以可以让差异特别大的和差异比较小的数值缩小之间的差距. Let's say there are 50 read counts in control and 100 read counts in treatment for gene A. This means gene A is…
I bought this Raspberry Pi (model B) in spring 2013, I hadn't done too much with it except for some PyGame coding stuff. So recently, I wanted to reboot my robotic project. (For those who are not familiar with Raspbery Pi, it's a 35 dollar mini compu…
原文地址: http://visualstudiomagazine.com/Articles/2005/10/01/Write-a-Better-Windows-Service.aspx?Page=1 Writing a Windows service is significantly more involved than many authors would have you believe. Here are the tools you need to create a Windows se…
By Daniel Du After a long time waiting, IE11 finally supports WebGL, which enables us viewing our 3D/2D models on Internet Explorer with view and data API if IE is your favorite browser or your only option for whatever reason. Here are some tips to m…
This article discusses setting up up an integrated IPSec/L2TP VPN using Radius and integrating it with Microsoft Windows clients. Introduction and Planning The software installed is going to be based on Debian packages as far as it is possible. If we…
New Features, Feature Enhancements and Behavior ChangesSubforms – Behavior Change for Unsupported Task ModeStarting with this version, if an Online task that is running in a Subform control cannot be executed, the task and the host task will remain o…
超文本传输协议版本 2 IETF HTTP2草案(draft-ietf-httpbis-http2-13) 摘要 本规范描述了一种优化的超文本传输协议(HTTP).HTTP/2通过引进报头字段压缩以及多路复用来更有效利用网络资源.减少感知延迟.另外还介绍了服务器推送规范. 本文档保持对HTTP/1.1的后向兼容,HTTP的现有的语义保持不变. 1 介绍 The Hypertext Transfer Protocol (HTTP) is a wildly successful protocol.…
1. Introduction Groovy supports multiple ways to generate text dynamically including GStrings, printf and MarkupBuilder just to name a few. In addition to these, there is a dedicated template framework which is well-suited to applications where the t…
Question 84You are designing a Web Part for SharePoint 2010 that must be able to be used on any site in the farm. The Web Part will display data values updated from a Microsoft SQL Server database. Your design must:.Verify the actual performance dat…
报错内容显示如下: ld: warning: ignoring file /Users/rowling/Library/Developer/Xcode/DerivedData/zhinengbangongpingtai-gylhkhpyjmmjkagiimejuaduiboa/Build/Products/Debug-iphonesimulator/libsqlcipher.a, file was built for archive which is not the architecture b…
indows Presentation Framework (WPF) gets a lot of mileage out of being layered on top of DirectX, including fast rendering, multimedia support, audio, video, and more. One of the features in the “more” category is the ability to easily use transforma…
There are several ways to determine the effect of a command. The first method is to use the GETDIAGNOSTICS command, which has the form:GET [ CURRENT ] DIAGNOSTICS variable { = | := } item [ , ... ];This command allows retrieval of system status indic…
Starting with the 11g Release 1 (11.1), when gathering statistics, you have the option to automatically publish the statistics at the end of the gather operation (default behavior), or to have the new statistics saved as pending. Saving the new stati…
I got an issue when copying some line/word (actually just select the context ) in the Linux terminal via SecureCRT, error box popped up with message "Could not open clipboard: Assess is denied" as blew. when I double click a word or just selec…
第一章:日志管理 1.forcing log switches sql> alter system switch logfile; 2.forcing checkpoints sql> alter system checkpoint; 3.adding online redo log groups sql> alter database add logfile [group 4]sql> ('/disk3/log4a.rdo','/disk4/log4b.rdo') size 1m…
When innodb_strict_mode is ON, InnoDB returns errors rather than warnings for certain conditions. The default value is OFF. Strict mode helps guard against ignored typos and syntax errors in SQL, or other unintended consequences of various combinatio…
Create the Project and Design the Interface First, create a new Xcode project using the Single View Template. Let’s name the project as “MyLocationDemo” and set the project with the following parameters: MyLocationDemo Xcode Project Once you’ve succe…
上一篇文章一个优秀的C#开源绘图软件 DrawTools中详细的介绍了DrawTools的几种演化的较高版本的软件的特色与功能. 这篇文章,将介绍一下这款软件的成名版本, 下载地址DrawTool_Origin.rar. Introduction DrawTools sample shows how to create a Windows Forms application for drawing graphic objects in a Windows client area using mo…
1,上传需要的软件包lammps-stable.tar.gz. 2,解压缩并进入安装目录 tar xvf lammps-stable.tar.gz cd lammps-30Oct14 3,如果需要reax.poems等模块,可以进入lib额外添加(标准安装可跳过此步骤). cd lib/reax 修改Makefile.ifort文件第31行为: F90FLAGS = -O3 -xHost -ip -no-prec-div -fPIC make -f Makefile.ifort cd ../me…
tags: ip_local_port_range 端口范围 sysctl Linux中有限定端口的使用范围,如果我要为我的程序预留某些端口,那么我需要控制这个端口范围, 本文主要描述如何去修改端口范围. 1 2 /proc/sys/net/ipv4/ip_local_port_range的原文解释: The /proc/sys/net/ipv4/ip_local_port_range defines the local port range that is used by TCP and UD…