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Why use AJAX when WebSockets is available?
...s opens up new application domains to browser applications that were not really possible using HTTP and AJAX (interactive games, dynamic media streams, bridging to existing network protocols, etc).
However, there is certainly an overlap in purpose between WebSockets and AJAX/Comet. For example, whe...
Change a Git remote HEAD to point to something besides master
...-f origin master
Making master have what you want people to use, and do all other work in branches.
(a "git-symbolic-ref HEAD refs/head/published" would not be propagated to the remote repo)
This is similar to "How do I delete origin/master in Git".
As said in this thread: (emphasis mine)
"git...
HorizontalScrollView within ScrollView Touch Handling
...talScrollView block that has features that can be scrolled through horizontally. I've added an ontouchlistener to the horizontalscrollview to handle touch events and force the view to "snap" to the closest image on the ACTION_UP event.
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Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
...
The week part is nice but overall the function should be more flexible ($full should be a string input to filter the output as needed). e.g. time_elapsed_string($datetime, $format = "ymw"). P.S. Flat version: stackoverflow.com/a/5010169/318765
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Is there a way to check if int is legal enum in C#?
...ple
{
public static void Main()
{
object value;
// Call IsDefined with underlying integral value of member.
value = 1;
Console.WriteLine("{0}: {1}", value, Enum.IsDefined(typeof(PetType), value));
// Call IsDefined with invalid underlying integral value.
...
Practical uses for the “internal” keyword in C#
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This can be useful for creation of unit testing assemblies that are then allowed to call internal members of the assembly to be tested. Of course no other assemblies are granted this level of access, so when you release your system, encapsulation is maintained.
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How should I ethically approach user password storage for later plaintext retrieval?
...hat the user can retrieve the password, then strictly speaking you don't really need to retrieve the password they set (they don't remember what it is anyway), you need to be able to give them a password they can use.
Think about it: if the user needs to retrieve the password, it's because they've...
How should equals and hashcode be implemented when using JPA and Hibernate
...s equals and hashcode be implemented in Hibernate? What are the common pitfalls? Is the default implementation good enough for most cases? Is there any sense to use business keys?
...
How are software license keys generated?
... honest, this strikes me as (in)Security Through Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they using? Is it a message digest? If so, what data would they be hashing...
What's the difference between xsd:include and xsd:import?
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Another difference is that <import> allows importing by referring to another namespace. <include> only allows importing by referring to a URI of intended include schema. That is definitely another difference than inter-intra namespace importing.
For exam...