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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...tate, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6.
20 Answers
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Create, read, and erase cookies with jQuery [duplicate]
Somebody help me. How to create, read and erase some cookies with jQuery ?
4 Answers
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How do I undo 'git add' before commit?
... without changing anything else.
You can use
git reset
without any file name to unstage all due changes. This can come in handy when there are too many files to be listed one by one in a reasonable amount of time.
In old versions of Git, the above commands are equivalent to git reset HEAD <file&...
Bring a window to the front in WPF
...
I was simply using myWindow.Show() and sometimes it wasn't on top. I placed a call to myWindow.Activate() immediately afterwards and it worked.
– Bermo
Aug 26 '09 at 4:54
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Facebook Callback appends '#_=_' to Return URL
...hange in Session Redirect Behavior
This week, we started adding a fragment #____=____ to the redirect_uri when
this field is left blank. Please ensure that your app can handle this
behavior.
To prevent this, set the redirect_uri in your login url request like so: (using Facebook php-sdk)
...
My docker container has no internet
...v.conf in the docker container. If it has an invalid DNS server, such as nameserver 127.0.x.x, then the container will not be able to resolve the domain names into ip addresses, so ping google.com will fail.
Second thing to check is run cat /etc/resolv.conf on the host machine. Docker basically cop...
How can I check if a string represents an int, without using try/except?
...'3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
18 Answers
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What is a good regular expression to match a URL? [duplicate]
...hich is less restrictive http://regexr.com/3e6m0.
Example JavaScript implementation:
var expression = /[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)?/gi;
var regex = new RegExp(expression);
var t = 'www.google.com';
if (t.match(regex)) {
alert("...
Installing older version of R package
I am trying to use Rpy2 and ggplot2 but I get an error. After some searching for the error online, I found that the error occurs because there are changes in the ggplot2 package that are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)).
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