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Session variables in ASP.NET MVC
... out why I kept on getting a "Instance not set to an instance of an Object error". What I noticed is that in a controller when I tried to access the session by doing the following, I kept on getting that error. This is due to the fact that this.HttpContext is part of the Controller object.
this.Se...
string.charAt(x) or string[x]?
...s nothing (which can be confusing) and assigning to string.charAt(x) is an error (as expected):
var str = "Hello";
str[0] = 'Y';
console.log(str); //Still "Hello", the above assignment did nothing
str.charAt(0) = 'Y'; //Error, invalid left-hand side in assignment
The reason why assigning to...
How to drop a PostgreSQL database if there are active connections to it?
... db connection that is not a connection to 'TARGET_DB', otherwise you get 'ERROR'. A 'postgres' connection works well.
– Rob
Jul 26 '11 at 16:00
3
...
Passing argument to alias in bash [duplicate]
...echo "Hello $*"; unset -f __myalias; } __myalias' ~$ myalias -bash: syntax error near unexpected token `__myalias'
– JeeBee
Nov 14 '13 at 14:34
...
How can I change the version of npm using nvm?
..._modules/npm/bin/npm-cli.js
If you try to run npm, it will still give an error but if you do nvm use v0.4.12 again, it should now work.
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How to stop flask application without using ctrl-c
....get('werkzeug.server.shutdown')
if func is None:
raise RuntimeError('Not running with the Werkzeug Server')
func()
@app.route('/shutdown', methods=['POST'])
def shutdown():
shutdown_server()
return 'Server shutting down...'
Here is another approach that is more contained:...
How to detect if a script is being sourced
...ed.
If return is used in the top-level scope of a non-sourced script, an error message is emitted, and the exit code is set to 1.
(return 0 2>/dev/null) executes return in a subshell and suppresses the error message; afterwards the exit code indicates whether the script was sourced (0) or not ...
How to generate sample XML documents from their DTD or XSD?
...7.0, Intellij Idea based) with XSD with many imports. I've got nothing but error message.
– Envek
Nov 30 '14 at 9:44
3
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How do you create a daemon in Python?
...le : try to start two times the same daemon with python-daemon : big ugly error. With Sander's code : a nice notice "Daemon already running."
– Basj
Jan 17 '16 at 20:50
...
What's the best practice to “git clone” into an existing folder?
...
I was getting the error "Git error: The following untracked working tree files would be overwritten by checkout", so I add this command: git clean -d -fx ""
– shakaran
Jun 21 '15 at 3:36
...