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Difference between the Facade, Proxy, Adapter and Decorator design patterns? [closed]
...
Adapter adapts a given class/object to a new interface. In the case of the former, multiple inheritance is typically employed. In the latter case, the object is wrapped by a conforming adapter object and passed around. The problem we are solving here is that of non-comp...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...e Update 1's GUID is {74d0e5db-b326-4dae-a6b2-445b9de1836e} so you can get into a pickle with using this mechanism. For every future update! Launching the pre Update 1 VCRedist with Update 1 installed gave me an error - so I'm going to use the VC installer reg key - which seems to be fine if you u...
How can you use an object's property in a double-quoted string?
...r; see Get-Help about_format.ps1xml):
Collections, including arrays, are converted to strings by placing a single space between the string representations of the elements (by default; a different separator can be specified by setting $OFS) E.g., "array: $(@(1, 2, 3))" yields array: 1 2 3
Instances...
Rounding float in Ruby
...h of a decimal. However, I can only use .round which basically turns it into an int, meaning 2.34.round # => 2. Is there a simple effect way to do something like 2.3465 # => 2.35
...
Add new field to every document in a MongoDB collection
...assigned dynamically? For example, I would like to have new_field to be an int equal to the length of the string in test field.
– qed
Jan 17 '18 at 9:42
|...
Is there a stopwatch in Java?
...d by nanoTime, the value returned has no absolute meaning, and can only be interpreted as relative to another timestamp
returned by nanoTime at a different time. Stopwatch is a more
effective abstraction because it exposes only these relative values,
not the absolute ones.
Stopwatch stopw...
Switch statement fallthrough in C#?
...ing and during maintenance.
Now, switch could always have been compiled by converting it into the equivalent chain of if-else blocks or similar, but it was designed as allowing compilation into a particular common assembly pattern where one takes a value, computes an offset from it (whether by looki...
Order a MySQL table by two columns
... MATCH (`text`) AGAINST (:string) AS `match`
FROM int_art_fulltext
WHERE MATCH (`text`) AGAINST (:string IN BOOLEAN MODE)
LIMIT 0,101
) t,
(
SELECT @row := 0
) r
ORDER BY `match` DESC
) k,
(
...
How do I get a platform-dependent new line character?
... have been very nice of them to provide an overloaded method lineSeperator(int) which returns some number of line seperators, as I often find myself using 2 at once.
– Kon
Mar 11 '16 at 23:22
...
How to get RGB values from UIColor?
...= curView.backgroundColor;//line 2
CGColorRef colorRef = [color CGColor];
int _countComponents = CGColorGetNumberOfComponents(colorRef);
if (_countComponents == 4) {
const CGFloat *_components = CGColorGetComponents(colorRef);
CGFloat red = _components[0];
CGFloat green = _componen...