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Predicate in Java
...the given predicate", "check if all elements satisfy the given predicate", etc make for better code.
Unfortunately Java doesn't have first-class methods: you can't pass methods around to Iterables.filter and Iterables.all. You can, of course, pass around objects in Java. Thus, the Predicate type is...
Is there a performance difference between i++ and ++i in C?
... different than C, since it has operator overloading and copy constructors etc.
– Lundin
Aug 31 '15 at 10:36
3
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How to validate phone numbers using regex
... Also a role of validation is simply to remind people to add area codes etc that they might not otherwise remember to add, but which cannot possibly be guessed after the fact.
– Ben McIntyre
Feb 23 '11 at 0:09
...
ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
... var theValue = valueProviderResult.AttemptedValue;
// etc...
}
}
}
The other required piece is a way to retrieve an unvalidated value. In this example we use an extension method for the ModelBindingContext class:
public static class ExtensionHelpers
{
public s...
Android static object lifecycle
...nside a DVM.
A DVM manages class loading unloading, instance lifecycle, GC etc.
Lifetime of a static variable: A static variable comes into existence when a class is loaded by the JVM and dies when the class is unloaded.
So if you create an android application and initialize a static variable, it ...
Rails formatting date
... be negative, 4 digits at least)
-0001, 0000, 1995, 2009, 14292, etc.
%C - year / 100 (round down. 20 in 2009)
%y - year % 100 (00..99)
%m - Month of the year, zero-padded (01..12)
%_m blank-padded ( 1..12)
%-m no-padded (1..12)
%B - The full month name (``J...
$.ajax - dataType
...g jQuery what kind of response to expect.
Expecting JSON, or XML, or HTML, etc. The default is for jQuery to try and figure it out.
The $.ajax() documentation has full descriptions of these as well.
In your particular case, the first is asking for the response to be in UTF-8, the second doesn't...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
...'t want to have to set them and keep them up to date for different targets etc. Also, in our mixed codebase, we didn't want to make remember to set our flags appropriately all the time for each language.
For ours, we declared a file in ObjC
PreProcessorMacros.h
extern BOOL const DEBUG_BUILD;
I...
Disable hover effects on mobile browsers
... the screen to light up with :hover effects (different background color, etc.) With a tablet, there's no mouse, so I don't want any hover effects.
...
In SQL Server, when should you use GO and when should you use semi-colon ;?
...o that particular batch.
Any declarations of Variables, Table Variables, etc do not go across GO statements.
#Temp tables are local to a connection, so they span across GO statements.
Semicolon
A Semicolon is a statement terminator. This is purely used to identify that a particular statement ha...