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Are HTML comments inside script tags a best practice? [closed]
The following practice is fairly commonplace in the inline JavaScript I have to work with:
10 Answers
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Calling a function of a module by using its name (a string)
What is the best way to go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo , and I have a string whose content is "bar" . What is the best way to call foo.bar() ?
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Why do I have to access template base class members through the this pointer?
... in the derived class. However, with the code below, I have to use this->x . Why?
3 Answers
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Detect if homebrew package is installed
...script to detect if several homebrew packages are installed in the system. Is there a way to use a brew command to achieve that?
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pandas GroupBy columns with NaN (missing) values
I have a DataFrame with many missing values in columns which I wish to groupby:
9 Answers
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Closing Database Connections in Java
... the connection may be holding on to.
Actually, the safe pattern in Java is to close your ResultSet, Statement, and Connection (in that order) in a finally block when you are done with them, something like that:
Connection conn = null;
PreparedStatement ps = null;
ResultSet rs = null;
try {
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
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The best way is to check the type, because undefined/null/false are a tricky thing in JS.
So:
if(typeof obj !== "undefined") {
// obj is a valid variable, do something here.
}
Note that typeof always returns a string, and doesn't g...
Implementation difference between Aggregation and Composition in Java
...s Car {
private Engine engine;
void setEngine(Engine engine) {
this.engine = engine;
}
void move() {
if (engine != null)
engine.work();
}
}
In the case of composition, the Engine is completely encapsulated by the Car. There is no way for the outside world to get a refere...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...ch chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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Is it possible to animate scrollTop with jQuery?
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You can just use .animate() the scrollTop property, like this:
$("html, body").animate({ scrollTop: "300px" });
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