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PG undefinedtable error relation users does not exist
...llowing:
rake db:reset
The rake db:reset task will drop the database and set it up again. This is functionally equivalent to rake db:drop db:setup.
This is not the same as running all the migrations. It will only use the
contents of the current schema.rb file. If a migration can't be ro...
Why was the arguments.callee.caller property deprecated in JavaScript?
...
Early versions of JavaScript did not allow named function expressions, and because of that we could not make a recursive function expression:
// This snippet will work:
function factorial(n) {
return (!(n>1))? 1 : factorial(n-1)*n;
}
[1,2,3,4,5].map(factorial);
// But this snippe...
How does '20 seconds' work in Scala?
...
There are a few things going on.
First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*.
Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches for an impli...
Python: Bind an Unbound Method?
...descriptors, so you can bind them by calling their __get__ method:
bound_handler = handler.__get__(self, MyWidget)
Here's R. Hettinger's excellent guide to descriptors.
As a self-contained example pulled from Keith's comment:
def bind(instance, func, as_name=None):
"""
Bind the functi...
What are “signed” cookies in connect/expressjs?
...igure out what "signed cookies" actually are.
There isn't much on the net, and if I try this:
4 Answers
...
Android: TextView automatically truncate and replace last 3 char of String
...idth it automatically wraps onto the next line. I can avoid this by using android:singleLine (deprecated) or by setting android:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm not using a monospace font this will always be...
How to dismiss a Twitter Bootstrap popover by clicking outside?
...== 0) {
$(this).popover('hide');
}
});
});
This handles closing of popovers already open and not clicked on or their links have not been clicked.
Update: Bootstrap 3.3.6, see fiddle
Fixes issue where after closing, takes 2 clicks to re-open
$(document).on('click', fun...
Brew doctor says: “Warning: /usr/local/include isn't writable.”
...
Take ownership of it and everything in it.
Mac OS High Sierra or newer: (ty to Kirk in the comments below)
$ sudo chown -R $(whoami) $(brew --prefix)/*
Previous versions of macos:
$ sudo chown -R $USER:admin /usr/local/include
Then do anot...
How to resolve the C:\fakepath?
...fp You can only upload with a post so you need to put the upload in a form and submit it. That will still use a standard file upload control to choose the file and you still won't need the full client filename.
– Rup
Dec 26 '11 at 1:08
...
Instagram how to get my user id from username?
... endpoint. (Press F12 to open developer toolbar, then click to Network Tab and trace the request.)
Sorry because I'm too busy. Hope this information help you guys.
Hmm, feel free to give me a down-vote if you want.
Update in Apr-12-2018, cameronjonesweb said that this endpoint doesn't work anym...