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function arrayDiff(a1, a2) {
  var diff = {};

  for (var i = 0; i < a1.length; i++) {
    diff[a1[i]] = true;
  }

  for (var i = 0; i < a2.length; i++) {
    if (diff[a2[i]]) {
      delete diff[a2[i]];

henriquemenezes

Simple Browser Benchmark

Methodology

Open the same 26 tabs in all browsers with different urls

Results

Browser	Version	Processes	Threads	Memory Usage	Memory Compressed by OSX

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------------------------------------------------------------------------------
2.3. NERD tree Mappings                                     *NERDTreeMappings*

Default  Description~                                             help-tag~
Key~

o.......Open files, directories and bookmarks....................|NERDTree-o|
go......Open selected file, but leave cursor in the NERDTree.....|NERDTree-go|
t.......Open selected node/bookmark in a new tab.................|NERDTree-t|
T.......Same as 't' but keep the focus on the current tab........|NERDTree-T|

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Vimtutor:

Tips & Tricks

	:source $MYVIMRC	Reload .vimrc without restart vim, after reload run :e
	:e 			Reload buffer and trigger FileType event

Modes:

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-- Get Max ID from table
SELECT MAX(id) FROM table;

-- Get Next ID from table
SELECT nextval('table_id_seq');

-- Set Next ID Value to MAX ID
SELECT setval('table_id_seq', (SELECT MAX(id) FROM table));

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gw = `ip route show`[/default.*/][/\d+\.\d+\.\d+\.\d+/]

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Syncing a fork

Sync a fork of a repository to keep it up-to-date with the upstream repository.

1. Configuring a remote for a fork

List the current configured remote repository for your fork.

git remote -v

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Fixing problems

1. Offending ECDSA key in /Users/Username/.ssh/known_hosts:38

sed -i .bak '38d' ~/.ssh/known_hosts

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# Dump all postgres database without specific scheme (-N topology)
pg_dump -N topology -U $DATABASE_USERNAME -h $DATABASE_HOST -f /path/to/output.sql $DATABASE_NAME

henriquemenezes

Android - Publish Your App

Preparing Your Application for Release

Configuring your application for release

• At a minimum you need to remove Log calls and remove the android:debuggable attribute from your manifest file.
• You should also provide values for the android:versionCode and android:versionName attributes, which are located in the <manifest> element.
• Building and signing a release version of your application.
• Testing the release version of your application.