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load scripts asynchronously
... for my site because it takes some time to load. it will be nice if I can display the loader before importing all the:
19 A...
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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Difference between setTimeout with and without quotes and parentheses
...rence to a function as the first argument for setTimeout or setInterval. This reference may be in the form of:
An anonymous function
setTimeout(function(){/* Look mah! No name! */},2000);
A name of an existing function
function foo(){...}
setTimeout(foo, 2000);
A variable that points to an e...
Throwing cats out of windows
...[m]) + 1) : for each k in 1..n, should be self-explanatory:
If first cat is thrown from k-th floor and dies, we now have k - 1 floors to check (all below k) and m - 1 cats (a[k - 1][m - 1]).
If cat survives, there're n - k floors left (all floors above k) and still m cats.
The worst case of two...
Find a pair of elements from an array whose sum equals a given number
...n a number X, find all the unique pairs of elements (a,b), whose summation is equal to X.
30 Answers
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Is there a way to get colored text in Github Flavored Markdown? [duplicate]
... include style directives in GFM.
The most complete documentation/example is "Markdown Cheatsheet", and it illustrates that this element <style> is missing.
If you manage to include your text in one of the GFM elements, then you can play with a github.css stylesheet in order to colors that w...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...
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...
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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How to use underscore.js as a template engine?
...rk. Then I saw about underscore.js as a set of utility functions. I saw this question on stackoverflow
. It says we can use underscore.js as a template engine. anybody know good tutorials about how to use underscore.js for templating, especially for biginners who have less experience with advanced...
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 {
...