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Load “Vanilla” Javascript Libraries into Node.js
There are some third party Javascript libraries that have some functionality I would like to use in a Node.js server. (Specifically I want to use a QuadTree javascript library that I found.) But these libraries are just straightforward .js files and not "Node.js libraries".
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Do the JSON keys have to be surrounded by quotes?
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Yes, you need quotation marks. This is to make it simpler and to avoid having to have another escape method for javascript reserved keywords, ie {for:"foo"}.
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How to dynamically insert a tag via jQuery after page load?
...irst tried setting my script tags as strings and then using jquery replaceWith() to add them to the document after page load:
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How do I split a string so I can access item x?
Using SQL Server, how do I split a string so I can access item x?
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HTTP Content-Type Header and JSON
... is just used as info for your application. The browser doesn't care what it is. The browser just returns you the data from the AJAX call. If you want to parse it as JSON, you need to do that on your own.
The header is there so your app can detect what data was returned and how it should handle ...
Error in finding last used cell in Excel with VBA
...ces to follow when finding the last row. And hence I will keep on updating it whenever I come across a new scenario/information.
Unreliable ways of finding the last row
Some of the most common ways of finding last row which are highly unreliable and hence should never be used.
UsedRange
xlDown...
ImportError: numpy.core.multiarray failed to import
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I was getting the same error and was able to solve it by updating my numpy installation to 1.8.0:
pip install -U numpy
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Is it good practice to use java.lang.String.intern()?
... Javadoc about String.intern() doesn't give much detail. (In a nutshell: It returns a canonical representation of the string, allowing interned strings to be compared using == )
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Missing return statement in a non-void method compiles
I encountered a situation where a non-void method is missing a return statement and the code still compiles.
I know that the statements after the while loop are unreachable (dead code) and would never be executed. But why doesn't the compiler even warn about returning something? Or why would a...
What does “program to interfaces, not implementations” mean?
...be done. This can be used to change the behavior of a program at run-time. It also helps you to write far better programs from the maintenance point of view.
Here's a basic example for you.
public enum Language
{
English, German, Spanish
}
public class SpeakerFactory
{
public static ISpea...