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Google Docs/Drive - number the headings

... If you want something more easy, there is a Google Add-On called "Table of Contents" that will allow you to number your headings. To install this add-on: Click on the Add-Ons > Get Add-Ons. Click on the "Table of Contents" icon or search for this addon to install it The...
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How do I install a plugin for vim?

... that it's completely safe (symlinks don't overwrite existing files, uninstall only deletes symlinks) and easy to keep things updated. # Easily install vim plugins from a source control checkout (e.g. Github) # # alias vim-install=rake -f ~/.vim/rakefile-vim-install # vim-install # vim-install unin...
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Named capturing groups in JavaScript regex?

...e just "syntactic sugar". It helps to use capturing groups only when you really need them and to use non-capturing groups (?:...) in all other circumstances. The bigger problem (in my opinion) with JavaScript is that it does not support verbose regexes which would make the creation of readable, com...
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Visual List of iOS Fonts?

... Have you tried iOS Fonts? This gives you a visual of all of the available fonts with the ability to enter your own string of text to see how it would look. This doesn't appear to have been updated for iOS 7 however but I am unaware of any additional fonts which have been added...
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How to set JAVA_HOME environment variable on Mac OS X 10.9?

... Literally all you have to do is: echo export "JAVA_HOME=\$(/usr/libexec/java_home)" >> ~/.bash_profile and restart your shell. If you have multiple JDK versions installed and you want it to be a specific one, you can use...
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Count, size, length…too many choices in Ruby?

...1 In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though. We can see from the source code for Array that they do almost exactly the same thing. Here is the C code for the implementation of array.l...
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Does deleting a branch in git remove it from the history?

...as a complete source tree, it is a very different structure from svn where all branches and tags (by convention) live in separate 'folders' of the repository alongside the special 'trunk'. If the branch was merged into another branch before it was deleted then all of the commits will still be reach...
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Are Roslyn SyntaxNodes reused?

...tions of the tree that were affected by the edit. Now when you try to put all five of those things into one data structure you immediately run into problems: How do you build a node in the first place? The parent and the child both refer to each other, and are immutable, so which one gets built f...
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Declaring variables inside loops, good practice or bad practice?

...their scope is restricted to inside the loop. It cannot be referenced nor called outside of the loop. This way: If the name of the variable is a bit "generic" (like "i"), there is no risk to mix it with another variable of same name somewhere later in your code (can also be mitigated using the -W...
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MongoDB: How to query for records where field is null or not set?

...ount({sent_at: {$exists: false}}) If its there and null, or not there at all: db.emails.count({sent_at: null}) Refer here for querying and null share | improve this answer | ...