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How can I specify a local gem in my Gemfile?
...
I believe you can do this:
gem "foo", path: "/path/to/foo"
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In JavaScript, is returning out of a switch statement considered a better practice than using break?
...at within if/else statements it is best practice to do the following:
var foo = "bar";
if(foo == "bar") {
return 0;
}
else {
return 100;
}
Based on this, the argument could be made that option one is better practice.
In short, there's no clear answer, so as long as your code adheres to ...
Understanding the difference between __getattr__ and __getattribute__
... @Md.AbuNafeeIbnaZahid getattr is a built-in function. getattr(foo, 'bar') is equivalent to foo.bar.
– wizzwizz4
Jul 3 '18 at 18:11
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What is a NullReferenceException, and how do I fix it?
...bers (such as methods) through a null reference. The simplest case:
string foo = null;
foo.ToUpper();
This will throw a NullReferenceException at the second line because you can't call the instance method ToUpper() on a string reference pointing to null.
Debugging
How do you find the source of a Nu...
Regular expression for exact match of a string
...ause many people serious problems. E.g., using your approach \bhttp://www.foo.com\b will match http://www.bar.com/?http://www.foo.com, which is most definitely not an exact match, as requested in the OP. This will cause serious problems for people working with URLs or passwords (which, again, is wh...
Is there a combination of “LIKE” and “IN” in SQL?
...is still slightly different:
Oracle:
WHERE CONTAINS(t.something, 'bla OR foo OR batz', 1) > 0
SQL Server:
WHERE CONTAINS(t.something, '"bla*" OR "foo*" OR "batz*"')
The column you are querying must be full-text indexed.
Reference:
Building Full-Text Search Applications with Oracle Text ...
What is the use case of noop [:] in bash?
...ts when I comment out all the code. For example you have a test:
if [ "$foo" != "1" ]
then
echo Success
fi
but you want to temporarily comment out everything contained within:
if [ "$foo" != "1" ]
then
#echo Success
fi
Which causes bash to give a syntax error:
line 4: syntax error ...
How to check if a map contains a key in Go?
...
One line answer:
if val, ok := dict["foo"]; ok {
//do something here
}
Explanation:
if statements in Go can include both a condition and an initialization statement. The example above uses both:
initializes two variables - val will receive either the va...
Can I extend a class using more than 1 class in PHP?
...user_func_array(array($extender, $name), $params);
}
}
}
}
$foo = new Extendable();
$foo->addExtender(new OtherClass());
$foo->other_class_method();
Note that in this model "OtherClass" gets to 'know' about $foo. OtherClass needs to have a public function called "setExtendee"...
What is the difference between `let` and `var` in swift?
...constant it's not much of one. This works just fine in the compiler: let foo = [1,2,3]; foo[2] = 5; println("(foo)") // [1, 2, 5]
– Kevin Frost
Jun 11 '14 at 20:47
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