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How can I sort arrays and data in PHP?
.../ ascending
return $b['baz'] - $a['baz']; // descending
Sorting one array based on another
And then there's the peculiar array_multisort, which lets you sort one array based on another:
$array1 = array( 4, 6, 1);
$array2 = array('a', 'b', 'c');
The expected result here would be:
$array2 = arra...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
I want to create a C macro that creates a function with a name based
on the line number.
I thought I could do something like (the real function would have statements within the braces):
...
Can I incorporate both SignalR and a RESTful API?
...ed using ASP.NET. I recently converted many of the web methods to be push based, using the SignalR library. This really sped up the page considerably and reduced a lot of the server calls from the page.
...
NSRange to Range
...ich is written in Obj-C against NSString, I suspect that only valid ranges based on the unicode characters in the string would be provided by the delegate callback, and so this is safe to use, but I haven't personally tested it.
– Alex Pretzlav
Jan 6 '15 at 21:...
Is “double hashing” a password less secure than just hashing it once?
...ions, but the idea is the same. Bcrypt also goes a step beyond most PBKDF2-based solutions by using the derived key to encrypt a well-known plain text. The resulting cipher text is stored as the "hash," along with some meta-data. However, nothing stops you from doing the same thing with PBKDF2.
Her...
What is difference between XML Schema and DTD?
...fference between DTDs
and XML Schema is that XML Schema
utilize an XML-based syntax, whereas
DTDs have a unique syntax held over
from SGML DTDs. Although DTDs are
often criticized because of this need
to learn a new syntax, the syntax
itself is quite terse. The opposite is
true for X...
What is the strict aliasing rule?
...subaggregate or contained union),
a type that is a (possibly cv-qualified) base class type of the dynamic type of the object,
a char or unsigned char type.
C++11 and C++14 wording (changes emphasized):
If a program attempts to access the stored value of an object through a glvalue of other than o...
How to calculate “time ago” in Java?
...ing is not ideal for all situations and that is why I created my own class based on lots of the examples here. See my solution below: stackoverflow.com/a/37042254/468360
– Codeversed
May 5 '16 at 4:19
...
One Activity and all other Fragments [closed]
... 1 activity, and 17 fragments, all full screen. This is my second fragment based project(previous was 4 months).
Pros
The main activity is 700 lines of code, just nicely managing the order of the fragments navigation.
Each fragment is nicely separated into it's own class, and is relatively small ...
Why is good UI design so hard for some Developers? [closed]
...sign is not a subset of coding. It requires a different mindset, knowledge base, and skill group. There are people out there who focus on UI design.
Learn about design. At least a little bit. Try to learn a few of the design concepts and techniques from the long list below. If you are more ambitious...