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“git rm --cached x” vs “git reset head --​ x”?

... commit it, you add it to the tree as well. It will probably help you to know the three more common flags in git reset: git reset [--<mode>] [<commit>] This form resets the current branch head to <commit> and possibly updates the index (resetting it to the tree of <...
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What are the most-used vim commands/keypresses?

... I've never seen this before, very cool reference for after you know what the commands do. – amccormack Mar 23 '11 at 4:27 3 ...
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Working with README.md on github.com [closed]

...up' in github but will in the previewer. It's useful, but just so people know. – user2428107 Feb 27 '14 at 1:02 ...
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Entity Attribute Value Database vs. strict Relational Model Ecommerce

... +10000 Great answer. Nowadays people skimp on database design and requirement gathering. They'd rather write a hundred times more lines of code, that take the time to make a good design. – Tulains Córdova A...
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iOS (iPhone, iPad, iPodTouch) view real-time console log terminal

... This button has been retired in xCode 9.3. It now has a "Console.app" button, which makes way more sense. – rustyMagnet Apr 9 '18 at 15:22 ...
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Mean per group in a data.frame [duplicate]

..."Rate2"), row.names = c(NA, -9L), class = c("data.table", "data.frame")) Now to take the mean of Rate1 and Rate2 for all 3 months, for each person (Name): First, decide which columns you want to take the mean of colstoavg <- names(mydt)[3:4] Now we use lapply to take the mean over the column...
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Android Location Providers - GPS or Network Provider?

...com/a/3145655/28557 -----------------------Update----------------------- Now Android have Fused location provider The Fused Location Provider intelligently manages the underlying location technology and gives you the best location according to your needs. It simplifies ways for apps to get the us...
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Named regular expression group “(?Pregexp)”: what does “P” stand for?

...Perl 5; O'Reilly publishes books about both languages.) As you may know, Python 1.5 adds a new regular expression module that more closely matches Perl's syntax. We've tried to be as close to the Perl syntax as possible within Python's syntax. However, the regex syntax has some Python...
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?

...That gives you nice animations for the cells appearing and disappearing. Now implement the following table view delegate method: - (float)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { if (indexPath.section == 1 && indexPath.row == 1) { // This i...
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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass

...ctivity.this and getBaseContext, they all offer reference to the context. Now the thing confuses is the declaration of different contexts and their specific-usage. To make things simple, you should count two types of context available in the Android framework. Application Context Activity Context...