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Laravel Eloquent: How to get only certain columns from joined tables
... function user() {
return $this->belongs_to('User')->select(array('id', 'username'));
}
And don't forget to include the column you're joining on.
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Bootstrap 3 jquery event for active tab change
...p 3 tab/navbar and literally all suggestions google spat out were wrong/did not work.
6 Answers
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How can I install pip on Windows?
...2.7.9+, simply execute e.g.:
py -3 -m ensurepip
Of course, that doesn't mean Python packaging is problem solved. The experience remains frustrating. I discuss this in the Stack Overflow question Does Python have a package/module management system?.
And, alas for everyone using Python 2.7.8 or ea...
How to create a custom string representation for a class object?
...haha!'
class C(object):
__metaclass__ = MC
print C
Use __str__ if you mean a readable stringification, use __repr__ for unambiguous representations.
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Rails params explained?
... Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://www.example.com/?vote[item_id]=1&vote[user_id]=2
then params[:vote] would be a hash, params[:vote][:item_id] would be "1" and params[:vote][:user_id] would be "2...
How to call any method asynchronously in c#
...ew HttpClient();
// GetStringAsync returns a Task<string>. That means that when you await the
// task you'll get a string (urlContents).
Task<string> getStringTask = client.GetStringAsync("http://msdn.microsoft.com");
// You can do work here that doesn't rely on the st...
Java, Classpath, Classloading => Multiple Versions of the same jar/project
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Classloaders load class on demand. This means that the class required first by your application and related libraries would be loaded before other classes; the request to load the dependent classes is typically issued during the loading and linking process of a dep...
Golang production web application configuration
... Would this be a significantly worse idea than using nginx or haproxy? I mean Go comes with great HTTP/HTTPS/HTTP/2 support.
– thomasrutter
Mar 21 '17 at 4:14
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Single Line Nested For Loops
...ce I believe was purely convenience. Doing it the more intuitive way would mean having to deal with unresolved symbols until it would find them later in the statement. Try parsing for each banana.peel in each banana for each city.bananastore in each city on paper. Not as easy. The other way around t...
How to check if the string is empty?
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Empty strings are "falsy" which means they are considered false in a Boolean context, so you can just do this:
if not myString:
This is the preferred way if you know that your variable is a string. If your variable could also be some other type then you...