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Rollback to last git commit

...e newly added contents and files which are already staged (so added to the index) then you use: git reset --hard If you want to remove also your latest commit (is the one with the message "blah") then better to use: git reset --hard HEAD^ To remove the untracked files (so new files not yet add...
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nginx: send all requests to a single html page

... This worked for me: location / { alias /path/to/my/indexfile/; try_files $uri /index.html; } This allowed me to create a catch-all URL for a javascript single-page app. All static files like css, fonts, and javascript built by npm run build will be found if they are i...
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In Postgresql, force unique on combination of two columns

... Does this add an index for a and an index for c independently? Because I need to quickly find based on a sometimes, and quickly find based on c sometimes. – CMCDragonkai Sep 16 '19 at 13:08 ...
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How to return multiple lines JSX in another return statement in React?

...ap multiple elements render() { return ( {[1,2,3].map(function (n, index) { return ( <React.Fragment key={index}> <h3>Item {n}</h3> <p>Description {n}</p> </React.Fragment> ) }} ); } As per the do...
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How to initialize a List to a given size (as opposed to capacity)?

... list to be initialised with a fixed set of nulls before populating via an index (and adding extras afterwards, so an array was unsuitable). This answer gets my vote for being practical and simple. – Gone Coding Feb 26 '14 at 11:53 ...
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Versioning SQL Server database

...ibes in more detail what it does. red-gate.com/products/SQL_Source_Control/index.htm – David Atkinson Jul 1 '10 at 9:13 add a comment  |  ...
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What are the lesser known but useful data structures?

...ctional programming (in imperative languages you just keep a pointer or an index). Also tbh I still don't get how Zippers really work. – Stefan Monov May 24 '10 at 14:23 4 ...
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How to install Xcode Command Line Tools

...from the Apple Developer Tools site: https://developer.apple.com/downloads/index.action. This requires signing in with a developer account. Or via terminal (from the release docs): The Command Line Developer Tools package can be installed on demand using "xcode-select --install” and the installed...
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EF Code First foreign key without navigation property

...arentTableName", "Id", cascadeDelete: true); // or false CreateIndex("ChildTableName", "ParentId"); // if you want an index } Running this migration (update-database on package manage console) will run a SQL statement similar to this (for SQL Server): ALTER TABLE [ChildTableName] ADD ...
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How to get the first column of a pandas DataFrame as a Series?

... df.set_index('x').y – herrfz Jan 10 '14 at 23:44 ...