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How can I remove all objects but one from the workspace in R?
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require(gdata)
keep(object_1,...,object_n,sure=TRUE)
ls()
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How to find and turn on USB debugging mode on Nexus 4
...he
Menu button while on your home screen and tapping “System settings”
Now scroll to the bottom and tap “About phone” or “About tablet”.
At the “About” screen, scroll to the bottom and tap on “Build number”
seven times.
Make sure you tap seven times. If you see
a “Not need, ...
bodyParser is deprecated express 4
...structor has been deprecated, as of 2014-06-19.
app.use(bodyParser()); //Now deprecated
You now need to call the methods separately
app.use(bodyParser.urlencoded());
app.use(bodyParser.json());
And so on.
If you're still getting a warning with urlencoded you need to use
app.use(bodyParser....
Where is the “Fold” LINQ Extension Method?
...next) => prod * next);
See MSDN for more information. It lets you specify a seed and then an expression to calculate successive values.
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Will iOS launch my app into the background if it was force-quit by the user?
...m not sure it'll solve the issue, but it may assist you with debugging for now.
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How to include file in a bash shell script
... The
entries in $PATH are used to find the directory containing FILENAME.
If any ARGUMENTS are supplied, they become the positional parameters
when FILENAME is executed.
Exit Status:
Returns the status of the last command executed in FILENAME; fails if
FILENAME cannot be read.
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How do I negate a test with regular expressions in a bash script?
...or example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
5 Answe...
Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
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If you don't want to escape the capturing groups with backslashes (this is what you've missed), prepend \v to turn Vim's regular expression engine into very magic mode:
:%s/\v(\w)(\w\w)/\1y\2/g
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Cleanest way to write retry logic?
... }
throw new AggregateException(exceptions);
}
}
You can now use this utility method to perform retry logic:
Retry.Do(() => SomeFunctionThatCanFail(), TimeSpan.FromSeconds(1));
or:
Retry.Do(SomeFunctionThatCanFail, TimeSpan.FromSeconds(1));
or:
int result = Retry.Do(SomeF...
Android ClickableSpan not calling onClick
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Do not work well if tv is of type EditText, true you can click on the span but not edit this as normal.
– FIG-GHD742
Sep 12 '12 at 23:33
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