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Message 'src refspec master does not match any' when pushing commits in Git
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Maybe you just need to commit. I ran into this when I did:
mkdir repo && cd repo
git remote add origin /path/to/origin.git
git add .
Oops! Never committed!
git push -u origin master
error: src refspec master does not matc...
How to split a String by space
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What you have should work. If, however, the spaces provided are defaulting to... something else? You can use the whitespace regex:
str = "Hello I'm your String";
String[] splited = str.split("\\s+");
This will cause any number of...
Stashing only un-staged changes in Git
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git stash save has an option --keep-index that does exactly what you need.
So, run git stash save --keep-index.
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Convert pandas dataframe to NumPy array
I am interested in knowing how to convert a pandas dataframe into a NumPy array.
15 Answers
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Java Hashmap: How to get key from value?
If I have the value "foo" , and a HashMap<String> ftw for which ftw.containsValue("foo") returns true , how can I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that?
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How to compare versions in Ruby?
How to write a piece of code to compare some versions strings and get the newest?
8 Answers
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In what cases could `git pull` be harmful?
I have a colleague who claims that git pull is harmful, and gets upset whenever someone uses it.
5 Answers
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Command line to remove an environment variable from the OS level configuration
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Visual Studio: How can I see the same file in two separate tab groups?
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Rename a dictionary key
Is there a way to rename a dictionary key, without reassigning its value to a new name and removing the old name key; and without iterating through dict key/value?
In case of OrderedDict, do the same, while keeping that key's position.
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