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Clone() vs Copy constructor- which is recommended in java [duplicate]
...l Object superclass since the
Beta-release days of the Java
compiler*; and it, like all ancient
magic, requires the appropriate
incantation to prevent the spell from
unexpectedly backfiring
Prefer a method that copies the object
Foo copyFoo (Foo foo){
Foo f = new Foo();
//for all pr...
How to Calculate Execution Time of a Code Snippet in C++
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You can use this function I wrote. You call GetTimeMs64(), and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like time(NULL), except in milliseconds.
It works on both windows and linux; it is thread safe.
Note that the granular...
What are the primary differences between TDD and BDD? [closed]
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I understand BDD to be more about specification than testing. It is linked to Domain Driven Design (don't you love these *DD acronyms?).
It is linked with a certain way to write user stories, including high-level tests. An example b...
SQL standard to escape column names?
Is there a SQL standard to escape a column name? If not what works for MySQL and SQLite? does it also work for SQL Server?
...
Why use apparently meaningless do-while and if-else statements in macros?
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The do ... while and if ... else are there to make it so that a
semicolon after your macro always means the same thing. Let's say you
had something like your second macro.
#define BAR(X) f(x); g(x)
Now if you were to use BAR(X); in an if ...
Converting between java.time.LocalDateTime and java.util.Date
Java 8 has a completely new API for date and time. One of the most useful classes in this API is LocalDateTime , for holding a timezone-independent date-with-time value.
...
angular.service vs angular.factory
I have seen both angular.factory() and angular.service() used to declare services; however, I cannot find angular.service anywhere in official documentation.
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“You have mail” message in terminal, os X [closed]
...ably it is some message from your system.
Type in terminal:
man mail
, and see how can you get this message from your system.
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namespaces for enum types - best practices
...you want.
The problem with using a namespace is that namespaces can be expanded elsewhere in the code. In a large project, you would not be guaranteed that two distinct enums don't both think they are called eFeelings
For simpler-looking code, I use a struct, as you presumably want the contents t...
What are all the escape characters?
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The list is missing Unicode and octal escapes: \u1234 \012 \01 \0
– Sampo
Apr 30 '14 at 13:04
5
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