淘宝IP地址库接口

$.get('http://ip.taobao.com/service/getIpInfo.php?ip=','json',function(res){
	p=JSON.parse(res);
	p=p.data;
	for(var key in p){
            console.log(key + " -> " + p[key]);
	}
})

The lift story of Rose Frantzen

Rose Frantzen, a relatively young artist, has got a very unususal style as a comtemporary impressionist. However, she lead an arduous life during the days at school. She attended art school, but was told by one of her instructions that she wasn’t good at illustration and should go into advertising instead. She had to take both advertising and fine art classes until she was convinced that her work is good enough so that she could be an artist. Another thing is that she had to paint others’ portraits at somewhere like art fairs just to make monery to buy paint for her more serious work. No matter how hard it was, she never stopped pursuing of impressionism art. Eventually she is doing extremely well.
Most of us would have been discouraged if we had to face challenges and difficulties like that. The key point is that you keep at it and never give up.

Expercts from TPO 1 Listening Part 1 Section 2

Repair support for Ubuntu everyday usage

https://askubuntu.com/questions/218377/install-remove-language-show-only-english-no-other-choice

http://www.linuxdiyf.com/linux/20344.html

https://askubuntu.com/questions/455682/14-04-chinese-ibus-input-no-options

sudo apt-get –reinstall install language-selector-gnome

sudo apt-get install ibus ibus-clutter ibus-gtk ibus-gtk3 ibus-qt4

ibus restart

im-config -s ibus

sudo ibus-setup

How to compile OpenGL applications with GLUT

Compile manually with mingw

Set environment variables $CPATH$ and LIBRARY_PATH to locate glut.h and glut32.lib.
If they are not set, use option -I'[include_path]' and -L'[library_path]'.

g++ [source_file] -o [target_file] -lfreeglut -lopengl32 -Wl,–subsystem,windows

Build with Sublime Text

Create a new build system.

{
“cmd”: [“g++”, “${file}”, “-o”,”${file_path}/${file_base_name}”,”-lfreeglut”,”-lopengl32”,”-lglu32”,”-Wl,–subsystem,windows”],
“working_dir”: “${file_path}”,
“variants”:
[
{
“name”: “Run”,
“cmd”: [“cmd”,”/C”,”${file_path}/${file_base_name}.exe &pause”]
}
]
}

Build with CMake

Help about configurations
CMakeLists

## OpenGL
FIND_PACKAGE(OpenGL REQUIRED)
INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR})
## OpenGL
FIND_PACKAGE(GLUT REQUIRED)
INCLUDE_DIRECTORIES(${GLUT_INCLUDE_DIR})

TARGET_LINK_LIBRARIES([project_name] ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES})

Error when starting GLUT app when compiled for 64 bit

The application was unable to start correctly (0xc000007b). Click OK to close the application.

Make sure to link with the correct (64-bit) version of the library, and there is the correct (64-bit) dll available on the path.

js ajax发起跨域请求

常见的错误:

No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin ‘http://xxx.com‘ is therefore not allowed access.

禁止跨域请求是浏览器的安全机制的一部分,不能随便绕开。

即便采用axios,本质上仍是XMLHttpRequest,会遇到同样的问题。

在不能触及被请求端的后端的前提下,需要使用代理来启用Access-Control-Allow-Origin

现在有了一种便捷手段:https://bird.ioliu.cn/

https://segmentfault.com/q/1010000007665348

Visual Studio for Mac offline installation

Note that the recent release is no longer a preview version.

When trying out the Visual Studio Mac downloader from Microsoft, you will find it with “network error” and not pushing forward anymore.

However, disconnect the network and it will give in, providing with offline downloading links.

It was not possible to complete an automatic installation. This might be due to a problem with your network, proxy servers or an unsolvable installation conflict. At this point, you can continue the installation by manually downloading and installing the independent pieces. The list below shows each component that you need to install.

Mono Framework

Download the Mono Framework v5.0.0 archive to any directory on your disk, double-click it and follow the instructions on screen. Please accept all the defaults during the installation, including the target drive.

Android SDK

Download the Android SDK for Mac OS X version 24.4.1, open the downloaded archive and copy the contents of the folder found at its root directory (most probably named android-sdk-macosx) to the /Users/semprathlon/Library/Developer/Xamarin/android-sdk-macosx directory.

Click here in order to start the Android SDK Manager application. In the GUI make sure the following components are installed or selected for installation:

  • Android SDK Tools
  • Android SDK Platform-tools
  • Android SDK Build-tools
  • Android API 15
  • Android API 19
  • Android API 21

Once all the required components are selected (you can select others as well, if you wish) start the installation.
If you cannot see /Users/semprathlon/Library/Developer/Xamarin/android-sdk-macosx in Finder please click here to reveal the directory in Finder.

Download the Android NDK for Mac OS X version r10e, open the downloaded archive and copy the contents of its root directory (most probably named android-ndk-r10e) to the /Users/semprathlon/Library/Developer/Xamarin/android-ndk directory.

When the Android SDK installation is finished you might want to start the Android Emulator Manager and create as many emulator images as you might need for your development. This step can be performed at any time, on an as-needed basis.

Visual Studio

Download the Visual Studio v7.0.0 archive to any directory on your disk, double-click it and then drag and drop the Visual Studio icon to the Applications folder.

Xamarin.Android

Download the Xamarin.Android v7.3.0 archive to any directory on your disk, double-click it and follow the instructions on screen. Please accept all the defaults during the installation, including the target drive.

Xamarin.iOS

Download the Xamarin.iOS v10.10.0 archive to any directory on your disk, double-click it and follow the instructions on screen. Please accept all the defaults during the installation, including the target drive.

Xamarin.Mac

Download the Xamarin.Mac v3.4.0 archive to any directory on your disk, double-click it and follow the instructions on screen. Please accept all the defaults during the installation, including the target drive.

Visual Studio for

omnibus-gitlab与系统默认nginx的强行融合

只需从/var/opt/gitlab/nginx/conf/nginx.conf中提取关键配置,插入到系统nginx.conf之中。

/etc/gitlab/gitlab.rb中的nginx['enable']禁用,unicorn['enable']启用。

sudo gitlab-ctl reconfigure

Github Repo管理重要“灭火救急”技能

  • 放弃本地所有未提交的更改

https://www.v2ex.com/t/66718

git fetch [origin branch-name]
git reset –hard [origin/branch-name]
git clean -df

  • sync forked reposities

https://segmentfault.com/q/1010000002590371

git remote -v

git remote add upstream URL

git fetch upstream
git merge upstream/master

  • revoke commit

https://segmentfault.com/q/1010000000115900

git reset –hard HEAD~1
git push –force