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Global variables in R
...onment and assign to the first matching variable it finds. Hypothetically, if you have a function f() nested in a closure g() and a exists in g(), then using a <<- in f() will assign to a in g(), not to the global environment. Oftentimes, this is what you want, however.
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How to ignore SVN folders in WinMerge?
...Filter. Under Tools | Filters... | Filefilters, create a new filter or modify an existing one.
It will look like this:
## Ignore Java class and jar files
f: \.class$
f: \.jar$
## Ignore subversion housekeeping directories
d: \\.svn$
d: \\._svn$
Save it, then when selecting items to merge, select ...
Determining the path that a yum package installed to [closed]
I've installed ffmpeg using yum under Redhat, and I'm having difficulty figuring out where (what path) it installed the package to. Is there an easy way of determining this without resorting to finding it myself manually?
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IndexOf function in T-SQL
...se either CHARINDEX or PATINDEX to return the starting position of the specified expression in a character string.
CHARINDEX('bar', 'foobar') == 4
PATINDEX('%bar%', 'foobar') == 4
Mind that you need to use the wildcards in PATINDEX on either side.
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Call js-function using JQuery timer
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nice utility. Allows controlling lifecycle.
– Jigar Shah
Mar 16 '12 at 8:46
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Make a bucket public in Amazon S3 [closed]
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My bad. This is needed only if you plan to sync, not just view the bucket.
– silvenon
Feb 18 '15 at 16:05
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Git: can't undo local changes (error: path … is unmerged)
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Not specifying HEAD will make git checkout check out from the index, which is a weaker operation (the content source is the index rather than HEAD). Furthermore I don’t think that makes a difference in this case at all - with the s...
PHP mailer multiple address [duplicate]
... is send to all the receipients both in to address and also in cc address. if any mail is not send how to log it
– Joyson
Jan 5 '18 at 13:29
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JavaScript .replace only replaces first Match [duplicate]
... default .replace() behavior is to replace only the first match, the /g modifier (global) tells it to replace all occurrences.
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What is the difference between the operating system and the kernel? [closed]
I do not understand the difference between operating system and kernel. Can someone please explain it?
3 Answers
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