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Look up all descendants of a class in Ruby
...essentially a way to access anything and everything that's currently using allocated memory, so iterating over every single one of its elements to check if it is a sublass of the Animal class isn't ideal.
In the code below, the inherited Animal class method implements a callback that will add any ...
jQuery validation: change default error message
... required: true,
minlength: 2,
remote: "users.php"
}
},
messages: {
firstname: "Enter your firstname",
lastname: "Enter your lastname",
username: {
required: "Enter a username",
minlength: jQuery.format("Ent...
Objective-C ARC: strong vs retain and weak vs assign
... don't point to it anymore"
in other words " I'am the owner, you cannot dealloc this before aim fine with that same as retain"
You use strong only if you need to retain the object.
By default all instance variables and local variables are strong pointers.
We generally use strong for UIViewControlle...
How can I force clients to refresh JavaScript files?
...
This uses PHP tags and if one uses PHP, it is indeed a good idea.
– Jerther
Apr 19 '17 at 12:31
3
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What is the default initialization of an array in Java?
...ava Virtual Machine is not required to zero out the underlying memory when allocating local variables (this allows efficient stack operations if needed) so to avoid random values the Java Language Specification requires local variables to be initialized.
...
parsing JSONP $http.jsonp() response in angular.js
...K":
JSON_CALLBACK(json_response); // wrong!
Since I was writing my own PHP server script, I thought I knew what function name it wanted and didn't need to pass "callback=JSON_CALLBACK" in the request. Big mistake!
AngularJS replaces "JSON_CALLBACK" in the request with a unique function name (l...
Coding in Other (Spoken) Languages
...ites code, would I be able to read it in English? Or do languages, like C, PHP, anything, have Japanese translations that they write?
...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...r a = [1, 2,];, so do most other languages I know... ActionScript, Python, PHP.
– Sean Fujiwara
Aug 14 '11 at 3:43
14
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Can I use a function for a default value in MySql?
...f their DB package, and it's not as feature rich as we'd like.
http://www.phpbuilder.com/board/showthread.php?t=10349169
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Best practices for SQL varchar column length [closed]
...it is still predicitve i use varchar and keep 255 as it is dynamic memory allocation so you do not worry about the size that will be taken
– Faris Rayhan
Jun 21 '16 at 9:04
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