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Convert data.frame columns from factors to characters

... can create a logical vector of which columns are factors, and use that to selectively apply factor f <- sapply(bobf, class) == "factor" bobc[,f] <- lapply(bobc[,f], factor) share | improve ...
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pass post data with window.location.href

... ||input.nodeName=="BUTTON" ||input.nodeName=="SELECT") ){ var output = input.cloneNode(true); output.name = form.name + nameJoiner + input.name; this.appendChild(output); } } } }...
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Changing UIButton text

...set up to four different strings for the four states (normal, highlighted, selected, disabled). Because of this feature, setting the titleLabel's text directly won't persist, and will be reset by the button when it lays out its subviews. This is what you have to do to change the title text for a...
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Remove all files except some from a directory

...ar.gz\|script.php\|database.sql\|info.txt"` -v, --invert-match select non-matching lines \| Separator share | improve this answer | follow |...
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Just disable scroll not hide it?

... Four little additions to the selected solution: Apply 'noscroll' to html instead of to body to prevent double scroll bars in IE To check if there's actually a scroll bar before adding the 'noscroll' class. Otherwise, the site will also jump pushed by t...
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How add context menu item to Windows Explorer for folders [closed]

...grampath\path\path\executable.exe %1 to pass the file path and name of the selected file to your custom program More customization: Add icon: add a string value named icon for key created at step 1 with value matching an icon resource path. You can also provide an integer arguments to specify ...
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Random date in C#

...tDate).TotalMinutes / int.MaxValue; var dateResults = randomResult.Select(s => startDate.AddMinutes(s * calculationValue)).ToList(); return dateResults; } public static IEnumerable<int> GetRandomNumbers(int size) { var data = new byte[4]; using (...
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How to set custom favicon in Express?

...rts, maybe add something from another vector clipart image, then to export select the parts to export and click file>export, pick size like 16x16 for favicon or 32x32. for further edit 128x128 or 256x256. ico package can have several icon sizes inside. it can have along with 16x16 pixel favicon a...
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plot with custom text for x axis points

... @SirBenBenji: Use indexing (e.g. x[idx]) to select only the data you wish to display. – unutbu Aug 5 '14 at 14:49 ...
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How do I delete everything in Redis?

...eteDataFromDB(Jedis jedis, String keyPattern, int dbIndex) { jedis.select(dbIndex); Set<String> keys = jedis.keys(keyPattern); for(String key : keys){ jedis.del(key); System.out.println("The key: " + key + " has been deleted from database index: ...