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What is a singleton in C#?
...dBalancer
{
private static LoadBalancer _instance;
private List<string> _servers = new List<string>();
private Random _random = new Random();
private static object syncLock = new object();
private LoadBalancer()
{
_servers.Add("ServerI");
_server...
Return rows in random order [duplicate]
...
SELECT * FROM table
ORDER BY NEWID()
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How to hide Bootstrap modal with javascript?
...e browser window, use the browser's console to try
$('#myModal').modal('hide');
If it works (and the modal closes) then you know that your close Javascript is not being sent from the server to the browser correctly.
If it doesn't work then you need to investigate further on the client what is h...
HTML encoding issues - “” character showing up instead of “ ”
...ould seem to be a proper HTML parser involved somewhere if your &nbsp; strings are (correctly) being turned into U+00A0 NON-BREAKING SPACE characters. If so, you could just process your template natively in the DOM, and ask it to serialise using the ASCII encoding to keep non-ASCII characters as...
Shiro vs. SpringSecurity [closed]
...ing app, you'll have a well-rounded security experience.
For example, consider the Spring XML config example in another post in this thread. Here's how you'd do (essentially) the same thing in Shiro:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/sche...
PHP: How to use array_filter() to filter array keys?
...ainst the key, e.g. $allowed could contain regex patterns instead of plain strings.
You can also use ARRAY_FILTER_USE_BOTH to have both the value and the key passed to your filter function. Here's a contrived example based upon the first, but note that I'd not recommend encoding filtering rules usi...
space between divs - display table-cell
...
You could also create a one-sided border the same colour as the background. border-right: 10px solid #FFF. This worked well for me when designing a CSS dropdown menu when I wanted some space between table-cell elements.
– armadadriv...
Handling click events on a drawable within an EditText
I have added an image right of the text in an EditText widget, using the following XML:
39 Answers
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Why do we need virtual functions in C++?
... virtual modifier on/off to see what happens
//virtual
std::string Says() { return "?"; }
};
class Dog: public Animal
{
public: std::string Says() { return "Woof"; }
};
void test()
{
Dog* d = new Dog();
Animal* a = d; // refer to Dog instance with Animal pointer
...
What does the KEY keyword mean?
... FOO|BAR means that either the keyword FOO or the keyword BAR can be used. Id est, they are synonyms.
– dotancohen
Jan 6 '14 at 17:33
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