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Make multiple-select to adjust its height to fit options without scroll bar
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Why is using the JavaScript eval function a bad idea?
...ally massively over-used by people who don't know what they're doing. That includes people writing JavaScript tutorials, unfortunately, and in some cases this can indeed have security consequences - or, more often, simple bugs. So the more we can do to throw a question mark over eval, the better. An...
What is the difference between statically typed and dynamically typed languages?
...res, e.g., generics and dynamic libraries in c#, and dynamic languages are including more type checking, e.g., type annotations in python, or HACK variant of PHP, which are usually not core to the language and usable on demand.
When it comes to technology selection, neither side has an intrinsic s...
load and execute order of scripts
There are so many different ways to include JavaScript in a html page. I know about the following options:
4 Answers
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Method to Add new or update existing item in Dictionary
...g with .net 4.0 there is the namespace System.Collections.Concurrent which includes collections that are thread-safe.
The collection System.Collections.Concurrent.ConcurrentDictionary<> does exactly what you want. It has the AddOrUpdate() method with the added advantage of being thread-safe.
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Accessing constructor of an anonymous class
...EDIT: As an alternative, you can create some final local variables, and/or include an instance initializer in the anonymous class. For example:
public class Test {
public static void main(String[] args) throws Exception {
final int fakeConstructorArg = 10;
Object a = new Object...
How to show particular image as thumbnail while implementing share on Facebook?
... the criteria on the page. Another fact is that the minimum required is to include the 3 metas that Facebook requires for the og:image to take effect:
<meta property="og:title" content="Title of the page" />
<!-- NEXT LINE Even if page is dynamically generated and URL contains query parame...
Convert generic List/Enumerable to DataTable?
...arc Gravell's sample code to handle nullable types and null values. I have included a working version below. Thanks Marc.
public static DataTable ToDataTable<T>(this IList<T> data)
{
PropertyDescriptorCollection properties =
TypeDescriptor.GetProperties(typeof(T));
Data...