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#AstroWheel

All kinds of snippets and wheels for astronomers

0. edit the _posts.md file instead of the README.md, the README.md is generated by compile.py.
1. Each post need to have a brief title start with level 2 title "## some question"
2. we can make a discription and add some meta data for this posts, like tags. Format of tags should be "* tags: tag1, tag2..." just follow the title in the next line
3. Then submitter start a level 4 title with his or her name "#### someone" (to make the text smaller..)
4. And the last is your content.

• the compile.py will auto generate the tags.md and the table of contents below, so make sure that you abide by this rules to make it work properly.
• you should run compile.py every time you add or delete a new post. If you do not have python, your can just leave this compiling work for others.

Here is an example post.

[//]: # (This is a comment(not show in the home page) [//]: # (you should not change the title "## some problems title", because the compile.py need it to be this)

• tags: python, blabla, wheel

blablabla blalbalba here is the code

## some problems about python
* tags: python, blabla, wheel

#### by [someone](https://github.com/someone)
blablabla
blalbalba
here is the code

• prevent neglectful rm -rf
• good use of git branch
• good ds9 startup script

• tags: shell, rm

how to prevent neglectful rm -rf?

• description: mv the things to ~/.trash/<date-time>
• disadvantages: you should clean your .trash using rmSure from time to time

code:

alias rmSure=/bin/rm
alias rm=trash
trash()
{
    tempDir=~/.trash/`date +%Y-%m-%d-%H-%M-%S`
    mkdir -p $tempDir
    mv -f $@ $tempDir
}

my trash:

• tags: git, github, version control

how to manage git branches efficiently?

see

• A successful Git branching model
• gg: good use of git,一个实用的git分支模型
• gg
• gitflow

• tags: ds9, bash

• auto load regions that has the same name (and .reg extension) as the fits file
• start with multiframe mode

mv your ds9 to ds9.bin and ds9.zip to ds9.bin.zip

save the code to ds9 in the same folder as ds9.bin and chmod +x

#!/bin/bash
export XPA_METHOD=local
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
if [[ -f `echo ${@%.fits}.reg` ]]; then
	./ds9 -multiframe -lock frame image -zscale -linear -cmap gray -region shape projection $@ -region load all ${@%.fits}.reg&
else
	./ds9 -multiframe -lock frame image -zscale -linear -cmap gray -region shape projection $@&
fi