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Change R default library path using .libPaths in Rprofile.site fails to work
...s RStudio material at: https://support.rstudio.com/hc/en-us/articles/200549016-Customizing-RStudio
In your case it appears that RStudio is not respecting the Rprofile.site settings or perhaps is overriding them by reading an .Rprofile setting from one of the RStudio defaults. It should also be ment...
Filter rows which contain a certain string
...35 19.90 1 1 4 1 Toyota Corolla
4 21.5 4 120.1 97 3.70 2.465 20.01 1 0 3 1 Toyota Corona
If you would like to do it the other way round, namely excluding Toyota and Mazda cars, the filter command looks like this:
dplyr::filter(mtcars, !grepl('Toyota|Mazda', type))
...
Can two different strings generate the same MD5 hash code?
...ile there are no such known attacks (preimage attacks) against MD5 (as of 2011), it could become possible by extending the current research on collision attacks.
If these turn out to be a problem, I suggest looking at the SHA-2 series of hash functions (SHA-256, SHA-384 and SHA-512). The downside i...
How to calculate date difference in JavaScript?
...t that date's year(diff from 1970), month, day etc.
var date1 = new Date(2010, 6, 17);
var date2 = new Date(2013, 12, 18);
var diff = new Date(date2.getTime() - date1.getTime());
// diff is: Thu Jul 05 1973 04:00:00 GMT+0300 (EEST)
console.log(diff.getUTCFullYear() - 1970); // Gives difference as ...
ng-repeat finish event
... |
edited Jul 31 '16 at 8:01
Muhammad Omar ElShourbagy
5,06822 gold badges2727 silver badges4747 bronze badges
...
Install a .NET windows service without InstallUtil.exe
...l)
{
controller = new System.ServiceProcess.ServiceController(String.Format("MySvc_{0}", _InstanceID), ".");
}
if (controller.Status == System.ServiceProcess.ServiceControllerStatus.Running)
{
Start_Stop.Text = "Stop Service";...
moving changed files to another branch for check-in
... here"
From git docs:
git reset [<mode>] [<commit>] This form resets the current branch head
to and possibly updates the index (resetting it to the tree
of ) and the working tree depending on . If is
omitted, defaults to --mixed. The must be one of the following:
--so...
Create a pointer to two-dimensional array
...ay are contiguously stored
uint8_t *matrix_ptr = l_matrix[0];
Now, that formally only allows you to access the elements of the first element of the two dimensional array. That is, the following condition hold
matrix_ptr[0] = ...; // valid
matrix_ptr[19] = ...; // valid
matrix_ptr[20] = ...; // ...
A fast method to round a double to a 32-bit int explained
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
Trigger change event of dropdown
...for me.
– TomoMiha
May 10 '16 at 10:01
1
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