大约有 47,000 项符合查询结果（耗时：0.0350秒） [XML]
Why do Java programmers like to name a variable “clazz”? [closed]
...
It's hard to agree that "clazz" is more clear than "_class" or "myClass". If I'd seen "_class" in code, the intent would have been more obvious than a non-word that sent me to Google (and to this page).
– uscjeremy
Jul 10...
Use of alloc init instead of new
...ew doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you're comfortable with.
share
|
improve ...
How do I vertically align text in a div?
...s build business software and need dense data display, and our users care more about functionality.
– nothingisnecessary
Sep 8 '14 at 16:34
...
Is there a “goto” statement in bash?
...e mention of break and continue, which aren't as flexible as goto, but are more flexible in Bash than in some languages, and may help you achieve what you want. (Whatever it is that you want . . .)
share
|
...
Surrogate vs. natural/business keys [closed]
...al about a primary key, except that it is labelled as such. It is nothing more than a NOT NULL UNIQUE constraint, and a table can have more than one.
If you use a surrogate key, you still want a business key to ensure uniqueness according to the business rules.
...
Why is the asterisk before the variable name, rather than after the type?
...ct as myVariable2 has type int.
Therefore, the first programming style is more intuitive.
share
|
improve this answer
|
follow
|
...
Dependency Inject (DI) “friendly” library
...y on a regular basis, and "support classes" that are dependencies of those more common "end user" classes.
4 Answers
...
When would you use the Builder Pattern? [closed]
...e when designing classes whose constructors or static factories would have more than a handful of parameters.
We've all at some point encountered a class with a list of constructors where each addition adds a new option parameter:
Pizza(int size) { ... }
Pizza(int size, boolean cheese) { ...
Are Exceptions in C++ really slow
...y cache misses, and thus not trivial compared to pure CPU code.
Note: for more details, read the TR18015 report, chapter 5.4 Exception Handling (pdf)
So, yes, exceptions are slow on the exceptional path, but they are otherwise quicker than explicit checks (if strategy) in general.
Note: Andrei Al...
Why is SCTP not much used/known
...r is connected too (MSC).
The telecom area is moving to higher speeds and more reachable environment. One of these changes is to replace SS7 protocol by some more elegant, fast and flexible IP-based protocol.
The telecom area is very conservative. The SS7 network has been used here for decades. It...