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Implementation difference between Aggregation and Composition in Java
I'm aware of the conceptual differences between Aggregation and Composition. Can someone tell me the implementation difference in Java between them with examples?
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Generating Guids in Ruby
...reRandom.uuid generates a random UUID, so it is not guaranteed as unique. If you just want a random string that is probably unique it will be okay to use this. However, if you want something that is guaranteed to be unique you will need to use something that includes the MAC address, timestamp, an...
Media Queries - In between two widths
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@Jonathan Sampson i think your solution is wrong if you use multiple @media.
You should use (min-width first):
@media screen and (min-width:400px) and (max-width:900px){
...
}
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Flatten List in LINQ
...have expected the language designers to come up with a shortcut syntax specifically for lists of lists
– Andy
Feb 9 '17 at 12:15
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Proper use of 'yield return'
The yield keyword is one of those keywords in C# that continues to mystify me, and I've never been confident that I'm using it correctly.
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Hash function that produces short hashes?
...mospunk: encoding with base64 does nothing for collision resistance, since if hash(a) collides with hash(b) then base64(hash(a)) also collides with base64(hash(b)).
– Greg Hewgill
Nov 12 '13 at 18:37
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HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)
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If anyone has this issue on Windows Server 2012, Bill Moon's answer here solved it for me:
"For Windows Server 2012... From the Server Manager, click on Add roles and features, select the appropriate server, then select Feat...
Open a link in browser with java button? [duplicate]
... desktop = Desktop.isDesktopSupported() ? Desktop.getDesktop() : null;
if (desktop != null && desktop.isSupported(Desktop.Action.BROWSE)) {
try {
desktop.browse(uri);
return true;
} catch (Exception e) {
e.printStackTrace();
}
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Simplest/Cleanest way to implement singleton in JavaScript?
...function () {
// ...
},
method2: function () {
// ...
}
};
If you want private members on your singleton instance, you can do something like this:
var myInstance = (function() {
var privateVar = '';
function privateMethod () {
// ...
}
return { // public interface
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How to scale an Image in ImageView to keep the aspect ratio
...o make the ImageView resize itself to fit the rescaled image. For example, if you have a rectangular image in what would normally be a square ImageView, adjustViewBounds=true will make it resize the ImageView to be rectangular as well. This then affects how other Views are laid out around the ImageV...