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what is the preferred way to mutate a React state?
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165
concat returns a new array, so you can do
this.setState({list: this.state.list.concat([newO...
How to prevent scrollbar from repositioning web page?
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19 Answers
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Active
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invalid byte sequence for encoding “UTF8”
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112
If you need to store UTF8 data in your database, you need a database that accepts UTF8. You ca...
Detect & Record Audio in Python
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106
As a follow up to Nick Fortescue's answer, here's a more complete example of how to record fro...
How to provide different Android app icons for different gradle buildTypes?
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162
Figured it out. What you need to do is create a separate src folder called debug that holds th...
Boolean.hashCode()
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141
1231 and 1237 are just two (sufficiently large) arbitrary prime numbers. Any other two large p...
How can I make setuptools install a package that's not on PyPI?
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156
The key is to tell easy_install where the package can be downloaded. In this particular case,...
How to update a git clone --mirror?
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This is the command that you need to execute on the mirror:
git remote update
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xcode-select active developer directory error
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1346
This problem happens when xcode-select developer directory was pointing to /Library/Developer...
How can I unstage my files again after making a local commit?
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git reset --soft HEAD~1 should do what you want. After this, you'll have the first changes in the index (visible with git diff --cached), and your newest changes not staged. git status will then look like this:
# On branch master
# Changes to be ...