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Factory Pattern. When to use factory methods?
... know about the dependencies of the Thing, except for the string data that comes from the consumer.
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Count work days between two dates
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To clarify @Sequenzia's comment, you would REMOVE the case statements about Sunday entirely, leaving only +(CASE WHEN DATENAME(dw, @StartDate) = 'Saturday' THEN 1 ELSE 0 END) - (CASE WHEN DATENAME(dw, @EndDate) = 'Saturday' THEN 1 ELSE 0 END)
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Including all the jars in a directory within the Java classpath
...s):
java -cp "$(printf %s: lib/*.jar)"
(Note that using a classpath is incompatible with the -jar option. See also: Execute jar file with multiple classpath libraries from command prompt)
Understanding Wildcards
From the Classpath document:
Class path entries can contain the basename wildcard cha...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
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You could make a category with an -addSomeClass: method to allow compile-time static type checking (so the compiler could let you know if you try to add an object it knows is a different class through that method), but there's no real way to enforce that an array only contains objects of a...
Accessing Object Memory Address
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Some ways to use it (to compare the value it contains): forum.freecodecamp.com/t/python-id-object/19207
– J. Does
Mar 15 '17 at 21:33
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How to perform .Max() on a property of all objects in a collection and return the object with maximu
... edited May 23 '17 at 11:47
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111 silver badge
answered Jul 9 '09 at 5:32
Jon SkeetJon Skeet
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Why can't I use switch statement on a String?
...gh-level syntax using String constants in case declarations is expanded at compile-time into more complex code following a pattern. The resulting code uses JVM instructions that have always existed.
A switch with String cases is translated into two switches during compilation. The first maps each s...
Should sorting logic be placed in the model, the view, or the controller? [closed]
...p your own mind).
According to MVC description,
A controller can send commands to its associated view to change the view's presentation of the model (for example, by scrolling through a document). It can send commands to the model to update the model's state (e.g. editing a document).
Sorting...
Why use a ReentrantLock if one can use synchronized(this)?
...about this here.
This claim has been contested, however; see the following comment:
In the reentrant lock test, a new lock is created each time, thus there is no exclusive locking and the resulting data is invalid. Also, the IBM link offers no source code for the underlying benchmark so its impossi...
What does a just-in-time (JIT) compiler do?
What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy to understand description?
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