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how to check if object already exists in a list
...is pointless).
If the above are not true for your situation, just use the method Any():
Item wonderIfItsPresent = ...
bool containsItem = myList.Any(item => item.UniqueProperty == wonderIfItsPresent.UniqueProperty);
This will enumerate through the list until it finds a match, or until it reache...
Android Studio doesn't see device
...udio doesn't show my device but adb devices does show it. Am I missing something obvious here?
65 Answers
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Unable to copy ~/.ssh/id_rsa.pub
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DISPLAY=:0 xclip -sel clip < ~/.ssh/id_rsa.pub didn't work for me (ubuntu 14.04), but you can use :
cat ~/.ssh/id_rsa.pub
to get your public key
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How can I run a program from a batch file without leaving the console open after the program starts?
For the moment my batch file look like this:
11 Answers
11
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How to find the mime type of a file in python?
Let's say you want to save a bunch of files somewhere, for instance in BLOBs. Let's say you want to dish these files out via a web page and have the client automatically open the correct application/viewer.
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How to debug .htaccess RewriteRule not working
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Enter some junk value into your .htaccess
e.g. foo bar, sakjnaskljdnas
any keyword not recognized by htaccess
and visit your URL. If it is working, you should get a
500 Internal Server Error
Internal Server Error
The ...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...Level > 11.
}
Don't make the call to super() on the saveInstanceState method. This was messing things up...
This is a known bug in the support package.
If you need to save the instance and add something to your outState Bundle you can use the following:
@Override
protected void onSaveInstan...
How do I determine if a port is open on a Windows server? [closed]
...:port on Unix systems) to see if the connection is refused, accepted, or timeouts.
On that latter test, then in general:
connection refused means that nothing is running on that port
accepted means that something is running on that port
timeout means that a firewall is blocking access
On Windo...
Different bash prompt for different vi editing mode?
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Fresh bash 4.3 and readline 6.3 have something for you guys.. from the changelog:
4. New Features in Readline
j. New user-settable variable, show-mode-in-prompt, adds a characters to the
beginning of the prompt indicating the current editing mode.
So putt...
MongoDB - admin user not authorized
...My mongod.conf file is in the old compatibility format
(this is how it came with the installation).
15 Answers
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