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Adding new column to existing DataFrame in Python pandas
... because if you have multiple rows, and you use the assignment, it assigns all rows of the new column with that value ( in your case e) which is usually undesirable.
– Paniz
Apr 27 '19 at 22:42
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Execution failed app:processDebugResources Android Studio
...bug https://code.google.com/p/android/issues/detail?id=42752. The cause usually seems to be a reference to a nonexistent string in one of your menu resources.
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Android canvas draw rectangle
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Actually this is what I need screencast.com/t/oFYF5kGtw5B that red rectangle after I draw all just to add that rectangle is that possible?
– Kec
Sep 8 '11 at 9:22
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Gunicorn worker timeout error
...hen, in order to save resources with many concurrent connections: pip install gevent , then worker_class gevent in your config file or -k gevent on the command line.
– little_birdie
Jan 5 '16 at 4:11
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Drawing an SVG file on a HTML5 canvas
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EDIT Dec 16th, 2019
Path2D is supported by all major browsers now
EDIT November 5th, 2014
You can now use ctx.drawImage to draw HTMLImageElements that have a .svg source in some but not all browsers. Chrome, IE11, and Safari work, Firefox works with some bugs (but nig...
ViewBag, ViewData and TempData
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1)TempData
Allows you to store data that will survive for a redirect. Internally it uses the Session as backing store, after the redirect is made the data is automatically evicted. The pattern is the following:
public ActionResult Foo(...
How to check if mod_rewrite is enabled in php?
...ng mod_php, you can use apache_get_modules(). This will return an array of all enabled modules, so to check if mod_rewrite is enabled, you could simply do
in_array('mod_rewrite', apache_get_modules());
Unfortunately, you're most likely trying to do this with CGI, which makes it a little bit more ...
Postgres could not connect to server
...ew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well.
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AngularJS- Login and Authentication in each route and controller
...e run method you watch when the route changes and you check if the user is allowed to access the requested page, in your main controller you watch if the state of the user change.
app.run(['$rootScope', '$location', 'Auth', function ($rootScope, $location, Auth) {
$rootScope.$on('$routeChangeSt...
Git undo changes in some files [duplicate]
...ethod:
# revert, but do not commit yet
git revert -n <sha1>
# clean all the changes from the index
git reset
# now just add A
git add A
git commit
Another method again, requires the use of the rebase -i command. This one can be useful if you have more than one commit to edit:
# use rebase ...