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How to delete every other line in Vim?
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You can use a macro for this. Do the following.
Start in command mode.
Go to the beginning of the file by pressing gg.
Press qq.
Click arrow down and press dd after.
Press q.
Press 10000@q
PS: To go to command mode just press Escape a couple of times.
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How to correctly close a feature branch in Mercurial?
...e branch feature-x . I want to merge results back to the default branch and close feature-x in order to get rid of it in the output of hg branches .
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UIView Infinite 360 degree rotation animation?
I'm trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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Why is Java's boolean primitive size not defined?
... uses a 32-bit stack cell, used to hold local variables, method arguments, and expression values. Primitives that are smaller than 1 cell are padded out, primitives larger than 32 bits (long and double) take 2 cells. This technique minimizes the number of opcodes, but does have some peculiar side-ef...
What is the best way to programmatically detect porn images? [closed]
...lf-way decent at detecting porn, but it's bad at detecting clean pictures. And I wouldn't be surprised if no major leaps were made in this area in the near future.
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How to put more than 1000 values into an Oracle IN clause [duplicate]
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Put the values in a temporary table and then do a select where id in (select id from temptable)
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Converting Storyboard from iPhone to iPad
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I found out a kind of solution:
Duplicate your iPhone-Storyboard and rename it MainStoryboard_iPad.storyboard
Close Xcode and then open this file any text editor.
Search for targetRuntime="iOS.CocoaTouch"and change it to targetRuntime="iOS.CocoaTouch.iPad"
Change the code in the MainStoryb...
What does $.when.apply($, someArray) do?
I'm reading about Deferreds and Promises and keep coming across $.when.apply($, someArray) . I'm a little unclear on what this does exactly, looking for an explanation that one line works exactly (not the entire code snippet). Here's some context:
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Pretty graphs and charts in Python [closed]
What are the available libraries for creating pretty charts and graphs in a Python application?
15 Answers
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What's a good rate limiting algorithm?
...hon. I am trying to implement a rate-limiting queue for a Python IRC bot, and it partially works, but if someone triggers less messages than the limit (e.g., rate limit is 5 messages per 8 seconds, and the person triggers only 4), and the next trigger is over the 8 seconds (e.g., 16 seconds later),...