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What is the difference between float and double?
I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the d...
How do you dynamically add elements to a ListView on Android?
...a layout with a ListView. You don't need to find the id's view. As you can read on the Reference: ListActivity is an activity that includes a ListView as its only layout element by default. [...] (it) hosts a ListView object. So, by default the methods (as setAdapter, etc) are "inside" the Class.
...
How to add “on delete cascade” constraints?
...? Are they just constraints (similar to NOT NULL) which can be dropped and readded easily?
– Alexander Farber
Apr 27 '12 at 19:37
2
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How to sort strings in JavaScript
... your question is:
return item1.attr.localeCompare(item2.attr);
Further reading:
https://softwareengineering.stackexchange.com/questions/257286/is-there-any-language-agnostic-specification-for-string-natural-sorting-order
How do you do string comparison in JavaScript?
Javascript : natural sort ...
Where is the documentation for the values() method of Enum?
...exe added them
Notes:
never use sex as a class name, it's difficult to read your code, we use Sex in Java
when facing a Java puzzle like this one, I recommend to use a bytecode decompiler tool (I use Andrey Loskutov's bytecode outline Eclispe plugin). This will show all what's inside a class
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Are loops really faster in reverse?
...ite so you can run them yourself.
In all cases (unless I missed one in my read) the fastest loop was:
var i = arr.length; //or 10
while(i--)
{
//...
}
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Updating address bar with new URL without hash or reloading the page
...can now do this in most "modern" browsers!
Here is the original article I read (posted July 10, 2010): HTML5: Changing the browser-URL without refreshing page.
For a more in-depth look into pushState/replaceState/popstate (aka the HTML5 History API) see the MDN docs.
TL;DR, you can do this:
wind...
Fastest way to convert Image to Byte array
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public static byte[] ReadImageFile(string imageLocation)
{
byte[] imageData = null;
FileInfo fileInfo = new FileInfo(imageLocation);
long imageFileLength = fileInfo.Length;
FileStream fs = new FileStream(imageL...
What is token-based authentication?
... from anywhere with a single way of authenticating those
calls.
Mobile ready: when you start working on a native platform (iOS, Android, Windows 8, etc.) cookies are not ideal when consuming a
token-based approach simplifies this a lot.
CSRF: since you are not relying on cookies, you don...
What is a software framework? [closed]
...
I've read your post, but what you post sounds like what a library can do. How about explaining the difference between framework and library?
– Aaron Liu
Mar 7 '16 at 18:00
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