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Pass column name in data.table using variable [duplicate]
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For me with R 3.2.0 this does not work. I have to use get(temp) as pointed out by the thread starter.
– Exocom
Jun 26 '15 at 11:54
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How to create empty data frame with column names specified in R? [duplicate]
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why does z convert to Factor?
– pssguy
Jul 21 '13 at 19:29
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require file as string
...r approaches like:
loading modules via some other Node.js program
but it does not expand any more.
You can use a very simple library like this: require-text
Or implement it yourself ( like from the package above: )
var fs = require('fs');
module.exports = function(name, require) {
return fs....
NSInvalidUnarchiveOperationException: Could not instantiate class named NSLayoutConstraint
....0. The NSLayoutConstraint class is part of the Autolayout system, and it doesn't exist in older versions of iOS.
If you want to deploy your app to an older version of iOS, you need to change your storyboard or XIB to not use Autolayout. It's a checkbox in the File Inspector:
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Django Reverse with arguments '()' and keyword arguments '{}' not found
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An example of this can be found in the documentation. This essentially does the same thing, but the attributes are passed as arguments. Remember that any arguments that are passed need to be assigned a value before being reversed. Just use the correct namespace, which in this case is 'edit_proje...
Check cell for a specific letter or set of letters
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This does not work. Tried: =if(N7="N*",0,1) on a cell value of "NO Thanks" and it returns "1"
– Clay Nichols
Jan 31 '16 at 22:33
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Should I use “hasClass” before “addClass”? [duplicate]
... Thank you for a link, it is wrong line heightlighted but the function does check cur.indexOf( " " + clazz + " " ) < 0 meaning that the answer is correct.
– Yevgeniy Afanasyev
Jun 8 '18 at 2:37
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How to get a list of all valid IP addresses in a local network? [closed]
...nly
nmap -sn 192.168.1.0/24
will scan the entire .1 to .254 range
This does a simple ping scan in the entire subnet to see which hosts are online.
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Force the origin to start at 0
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This only changes padding around data points, but does not help set axes origin to zero or other desired value.
– Melkor.cz
2 days ago
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Tool to compare directories (Windows 7) [closed]
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The problem with WinMerge is that it doesn't do recursive comparison on folders and you have to check each subdirectory manually. This is not easy when dealing with complex folder structures. A far better tool I have just found is CodeCompare: devart.com/codecom...