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What are namespaces?
...
Namespacing does for functions and classes what scope does for variables. It allows you to use the same function or class name in different parts of the same program without causing a name collision.
In simple terms, think of a namespace as a person's su...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...ost => 'localhost' }
Make sure you change host to your production url and keep it localhost for development. This is for the mailer, it needs a default email to send out notices such as confirmations etc...
You should check the logs on the heroku server heroku logs run that from the console ...
How do I initialize an empty array in C#?
...lt;string> instead - it will allow you to add as many items as you need and if you need to return an array, call ToArray() on the variable.
var listOfStrings = new List<string>();
// do stuff...
string[] arrayOfStrings = listOfStrings.ToArray();
If you must create an empty array you ca...
Troubleshooting “The use statement with non-compound name … has no effect”
...g namespace; it allows you to define an alias, not to "import" a namespace and thus henceforth omit the namespace qualifier altogether.
So, you could do:
use Blog\Article as BA;
... to shorten it, but you cannot get rid of it entirely.
Consequently, use Blog is useless, but I believe you coul...
Bash Script: count unique lines in file
I have a large file (millions of lines) containing IP addresses and ports from a several hour network capture, one ip/port per line. Lines are of this format:
...
How do you attach a new pull request to an existing issue on github?
...f creating a github pull request with "Issue 4" or something in the title, and it automatically attached itself to Issue 4 in the project that I was submitting it to. I tried it again recently and it didn't work -- it just created a brand new issue instead. I don't see any options like "Attach to is...
MySQL Workbench: How to keep the connection alive
...ilable internet archive:
Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400.
Close and reopen MySQL Workbench. Kill your previously query that
probably is running and run the query again.
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Passing a list of kwargs?
...e: (newlines don't seem to be allowed in comments) def a(**kw): print(kw), and def b(**kw): a(kw). This code will generate an error because kwargs is actually a dictionary, and will be interpreted as a regular argument of the dict type. Which is why changing def b(**kw): a(kw) to def b(**kw): a(**kw...
How can I lock a file using java (if possible)
...utStreamReader(in, charset)
) {
...
}
(Disclaimer: Code not compiled and certainly not tested.)
Note the section entitled "platform dependencies" in the API doc for FileLock.
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allowDefinition='MachineToApplication' error when publishing from VS2010 (but only after a previous
...h>[SomeKnownLocationIHaveAccessTo]</BaseIntermediateOutputPath>
And make that folder not in your project's folder. Works for me. It's not a perfect solution, but it's good for the moment. Make sure you remove the package folder (located inside the obj\Debug and/or obj\Release folder) from...