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How to set size for local image using knitr for markdown?
...n .Rmd file which I will then knit and convert to HTML slides with Pandoc . Per this post , this will insert the local image :
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“Items collection must be empty before using ItemsSource.”
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This answer is correct. But before checking for this case do check that your xaml is correct as mentioned in other answers. Otherwise you can spend a lot of time looking at ItemSource's etc only to eventually find that its caused by a small typo.
– pjm
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Image Greyscale with CSS & re-color on mouse-over?
...ge: one in grayscale and the other in full color. Using the CSS :hover psuedoselector, you can update the background of your element to toggle between the two:
#yourimage {
background: url(../grayscale-image.png);
}
#yourImage:hover {
background: url(../color-image.png};
}
#google {...
npm install from Git in a specific version
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You can now do npm i {owner}/{project}#{tag} or add "{library}": "github:{owner}/{project}#{tag}" to package.json instead of using git@github.com or git://github.com
– Mike W
Feb 1 '19 at 10:50
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Are HTTP cookies port specific?
...iven cookie is intended for "secure" connections, but the Secure attribute does not provide integrity in the presence of an active network attacker. Similarly, cookies for a given host are shared across all the ports on that host, even though the usual "same-origin policy" used by web browsers isol...
Switching between Android Navigation Drawer image and Up caret when using fragments
...s the stack (e.g. in Activity::onBackPressed override). So, wherever you do that, you can reverse the setDrawerIndicatorEnabled.
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Scala best way of turning a Collection into a Map-by-key?
...there is a property p on T (of type P , say), what is the best way to do a map-by-extracting-key ?
13 Answers
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How to allow remote connection to mysql
...ocation for the file is /etc/mysql/mysql.conf.d/mysqld.cnf).
If it's a Windows system, you can find it in the MySQL installation directory, usually something like C:\Program Files\MySQL\MySQL Server 5.5\ and the filename will be my.ini.
Change line
bind-address = 127.0.0.1
to
#bind-address...
Error “can't use subversion command line client : svn” when opening android project checked out from
...e checked out a project from svn using TortoiseSVN client (can't manage to do it from within Android Studio), then get this error message after importing the project to Android Studio:
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Can Google Chrome open local links?
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You can't link to file:/// from an HTML document that is not itself a file:/// for security reasons.
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