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Rails and PostgreSQL: Role postgres does not exist
...eriod so I did a fresh install so I must have a couple of instance on here now. Changed the port in the database.yml file though and it all worked fine. Thanks for your help!
– Adam
Oct 23 '11 at 17:03
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Serializing class instance to JSON
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The basic problem is that the JSON encoder json.dumps() only knows how to serialize a limited set of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from J...
Long list of if statements in Java
...ap.get(value).exec();
EDIT
you can also add special commands such as UnknownCommand or NullCommand, but you need a CommandMap that handles these corner cases in order to minimize client's checks.
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How to find topmost view controller on iOS
I've run into a couple of cases now where it would be convenient to be able to find the "topmost" view controller (the one responsible for the current view), but haven't found a way to do it.
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psql: FATAL: role “postgres” does not exist
...s
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
Now, it is set up, login using psql -U postgres -h localhost or use PgAdmin for GUI.
By default user postgres will not have any login password.
Check this site for more articles like this: https://medium.com/@Nithanaroy/ins...
How to prevent a scrollview from scrolling to a webview after data is loaded?
...this question even after lots of searching until I posted my own question (now deleted).
– Colin M.
May 29 '14 at 17:28
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Bordered UITextView
... The WikiUpload links (for the two images) fails to find the image files now. ;-(
– Mike Gledhill
Apr 8 '14 at 7:41
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Unable to locate tools.jar
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@olidev checking this now but still can't stop pointing out the issue!! How can this be your answer? You have already mentioned that you have installed jdk and jre. I'm actually facing a similar problem and it still continues :-( . Need to know ho...
How do I split a string into an array of characters? [duplicate]
...) {
var i = 0,
arr = [],
codePoint;
while (!isNaN(codePoint = knownCharCodeAt(str, i))) {
arr.push(String.fromCodePoint(codePoint));
i++;
}
return arr;
}
This requires knownCharCodeAt() function and for some browsers; a String.fromCodePoint() polyfill.
if (!String.fromCode...
Convert integer to hexadecimal and back again
...e variable name "decValue" since it is not a decimal at all? Sorry man, I know it is from another source, but stackoverflow should be better than that.
– Christopher Bonitz
Nov 3 '15 at 10:24
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