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<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:g="http://base.google.com/ns/1.0">
    <channel>
        <item>
            <g:id>demo_14</g:id>
            <g:multipack>0</g:multipack>
            <g:brand>Studio Design</g:brand>
            <g:gtin></g:gtin>
            <g:sku>demo_14</g:sku>
            <g:item_group_id>19</g:item_group_id>

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<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0" xmlns:g="http://base.google.com/ns/1.0">
  <channel>
    <title>Advertiser 005</title>
    <description>Advertiser 005 data feed template.</description>
    <link>http://testadvertiser005.com</link>
    <item>
		  <title>product_0</title>
		  <g:image_link>http://www.testadvertiser005.com/img.php?p=0</g:image_link>
		  <link>http://www.testadvertiser005.com/product.php?p=0</link>

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tail -f verbosegc.log  | grep "concurrent mark-sweep generation "

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 git subtree add --prefix=atlas-gui "appgit@git.intramundi.com:atlas/atlas-gui.git" dev

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Sometimes, master branch contains obsolete codes, and another branch is more "stable" and will be released to production.
If you merge this branch into master, you will find a lot of conflits for unknonw reason. And now, you want to make the other branch as your master.
You can:

git checkout more_stable_branch
git merge -s ours master
git checkout master
git merge more_stable_branch

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* If want to declare private constans, define in .m file

    static NSString *const MyThingNotificationKey = @"MyThingNotificationKey";

* If want to declare public constants, declare in .h file:

    extern/FOUNDATION_EXTERN NSString *const name in 
    
  and define the value in .m file:
  

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MyClass.class.getProtectionDomain().getCodeSource()

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git config --global credential.helper wincred 
git config credential.helper 'cache --timeout=3600'

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There are 4 ways to ignore git files:

1. The most basic, add to .gitignore

2. Not yet tracked file, and don't want to add to .gitignore, can add to .git/info/exclude   
   This will just ignore files locally and the settings will not be shared with others

3. Already tracked files, and has already been modified locally, want to ignore local changes

      git update-index --[no-]skip-worktree FILE_NAME  // works for one file

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git里ignore文件有四种方式

1. 最基本的，放在.gitignore里
2. 还未track的文件，但是不想放到.gitignore里，可以放到 .git/info/exclude里

vim .git/info/exclude

3. 已经track的文件，而且被本地修改了，想要ignore本地的修改

find ./ -name "*.launch" -exec git update-index --[no-]skip-worktree '{}' ;