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What does PHP keyword 'var' do?
...er needed. It will work in PHP5, but will raise an E_STRICT warning in PHP from version 5.0.0 up to version 5.1.2, as of when it was deprecated. Since PHP 5.3, var has been un-deprecated and is a synonym for 'public'.
Example usage:
class foo {
var $x = 'y'; // or you can use public like...
...
Rails formatting date
... the date. (http://ruby-doc.org/core-2.2.1/Time.html#method-i-strftime).
From APIdock:
%Y%m%d => 20071119 Calendar date (basic)
%F => 2007-11-19 Calendar date (extended)
%Y-%m => 2007-11 Calendar date, r...
Why does one often see “null != variable” instead of “variable != null” in C#?
...
It's a hold-over from C. In C, if you either use a bad compiler or don't have warnings turned up high enough, this will compile with no warning whatsoever (and is indeed legal code):
// Probably wrong
if (x = 5)
when you actually probably ...
Why Would I Ever Need to Use C# Nested Classes [duplicate]
...ll as protected of course).
Basically, if you only need to use this class from within the "parent" class (in terms of scope), then it is usually appropiate to define it as a nested class. If this class might need to be used from without the assembly/library, then it is usually more convenient to th...
What's the difference between a word and byte?
...t to set/clear single bits, you first need to fetch the corresponding byte from memory, mess with the bits and then write the byte back to memory.
The word by contrast is biggest chunk of bits with which a processor can do processing (like addition and subtraction) at a time. That definition is a b...
What are the dangers when creating a thread with a stack size of 50x the default?
... @Voo The 1st run took as much time as the 100th run of any test for me. From my experience, this Java JIT thing does not apply to .NET at all. The only "warm up" that .NET does is loading classes and assemblies when used for the first time.
– Vercas
Jun 14 '...
Copying a HashMap in Java
...ss that holds the map. ? There for myObjectListB has to be a class derived from MyojbectsList not a hashmap.
– user691305
Apr 10 '12 at 12:59
8
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How can I set the focus (and display the keyboard) on my EditText programmatically
...
Updated with code to force the keyboard to show from this answer: stackoverflow.com/questions/5105354/…
– David Merriman
Jan 24 '12 at 18:10
5
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What is the email subject length limit?
... ...This would be the case with any other header field too (eg "From"). PS if you're wondering why 78 instead of 80, or why 998 instead of 1000, it's because the email standard specifies CRLF (\r\n) as separator, which is two bytes, making it 1000 bytes per line of which 998 is the heade...
What are carriage return, linefeed, and form feed?
... beginning of the current line without advancing downward. The name comes from a printer's carriage, as monitors were rare when the name was coined. This is commonly escaped as \r, abbreviated CR, and has ASCII value 13 or 0x0D.
Linefeed means to advance downward to the next line; however, it has...