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What is the difference between self::$bar and static::$bar in PHP?
...which may not be what you intend:
class Foo
{
protected static $bar = 1234;
}
class Bar extends Foo
{
protected static $bar = 4321;
}
When you call a method via static, you're invoking a feature called late static bindings (introduced in PHP 5.3).
In the above scenario, using self will ...
What exactly is RESTful programming?
...hn&lname=Doe&age=25
The server responds:
200 OK
Location: /user/123
In the future, you can then retrieve the user information:
GET /user/123
The server responds:
200 OK
<fname>John</fname><lname>Doe</lname><age>25</age>
To modify the record (lna...
How do I set default values for functions parameters in Matlab?
... use "varargs" and check against the number of arguments. Something like:
function f(arg1, arg2, arg3)
if nargin < 3
arg3 = 'some default'
end
end
There are a few fancier things you can do with isempty, etc., and you might want to look at Matlab central for some packages that bundl...
How to break out of nested loops?
...
No, don't spoil the fun with a break. This is the last remaining valid use of goto ;)
If not this then you could use flags to break out of deep nested loops.
Another approach to breaking out of a nested loop is to factor out both loops into ...
Base 64 encode and decode example code
...
For Kotlin mb better to use this:
fun String.decode(): String {
return Base64.decode(this, Base64.DEFAULT).toString(charset("UTF-8"))
}
fun String.encode(): String {
return Base64.encodeToString(this.toByteArray(charset("UTF-8")), Base64.DEFAULT)
}
...
Can I convert a C# string value to an escaped string literal
...
Does not work. If I have "abc\n123" (without quotes, 8 chars), I want "abc" + \n + "123" (7 chars). Instead it produces "abc" + "\\" + "\n123" (9 chars). Notice the slash was doubled and it still contains a string literal of "\n" as two characters, not t...
What is the maximum length of latitude and longitude? [closed]
... misleading. A completely different issue.
– bugmenot123
May 2 '18 at 15:03
Do you know why the valid latitudes are fr...
How can I parse a CSV string with JavaScript, which contains comma in data?
...rator may have adjacent whitespace (which is ignored).
Find:
A JavaScript function which converts a valid CSV string (as defined above) into an array of string values.
Solution:
The regular expressions used by this solution are complex. And (IMHO) all non-trivial regular expressions should be prese...
Load dimension value from res/values/dimension.xml from source code
...call context.dp(R.dimen. tutorial_cross_marginTop) to get the Float value
fun Context.px(@DimenRes dimen: Int): Int = resources.getDimension(dimen).toInt()
fun Context.dp(@DimenRes dimen: Int): Float = px(dimen) / resources.displayMetrics.density
If you want to handle it without context, you can...
What is a None value?
...ist.append(val)
return list
list1 = extendList(10)
list2 = extendList(123,[])
list3 = extendList('a')
print "list1 = %s" % list1
print "list2 = %s" % list2
print "list3 = %s" % list3
Now try to guess output of above list. Well, the answer is surprisingly as below:
list1 = [10, 'a']
list2 = ...