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What is the difference between Android margin start/end and right/left?

What is difference between Android margin start and right (or margin end and left)? 2 Answers ...
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dplyr: “Error in n(): function should not be called directly”

... I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not a function in the dplyr package. Both dplyr and plyr have the functions summarise/summarize. Look at the results of conflicts() to see masked objects. ...
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Show pop-ups the most elegant way

... can't seem to transclude content with the modal. I've researched it some and see other folks have this issue as well. – jusopi Jul 11 '14 at 15:43 2 ...
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How to get the seconds since epoch from the time + date output of gmtime()?

How do you do reverse gmtime() , where you put the time + date and get the number of seconds? 6 Answers ...
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Can You Get A Users Local LAN IP Address Via JavaScript?

I know the initial reaction to this question is "no" and "it can't be done" and "you shouldn't need it, you are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as muc...
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What are the best practices for JavaScript error handling?

I'm looking to start making my JavaScript a bit more error proof, and I'm finding plenty of documentation on using try , catch , finally , and throw , but I'm not finding a ton of advice from experts on when and where to throw errors. ...
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Compute a confidence interval from sample data

... sp.stats.stderr is deprecated. I substituted sp.stats.sem and it worked great! – Bmayer0122 Feb 23 '13 at 1:44 1 ...
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How can you encode a string to Base64 in JavaScript?

... You can use btoa() and atob() to convert to and from base64 encoding. There appears to be some confusion in the comments regarding what these functions accept/return, so… btoa() accepts a “string” where each character represents an 8-b...
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iPhone: How to switch tabs with an animation?

... whether to use these techniques. There may be more modern approaches. Oh, and if you find one. Please add a response so everyone can see. Thanks. Some time later ... After much research I came up with two working solutions. Both of these worked and did the animation between tabs. Solution 1: tr...
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Add leading zeroes/0's to existing Excel values to certain length

There are many, many questions and quality answers on SO regarding how to prevent leading zeroes from getting stripped when importing to or exporting from Excel. However, I already have a spreadsheet that has values in it that were truncated as numbers when, in fact, they should have been handled a...