大约有 41,000 项符合查询结果（耗时：0.0483秒） [XML]
Message Queue vs Message Bus — what are the differences?
...e any? To me, MB knows both subscribers and publishers and acts as a mediator, notifying subscribers on new messages (effectively a "push" model). MQ, on the other hand, is more of a "pull" model, where consumers pull messages off a queue.
...
Should we pass a shared_ptr by reference or by value?
When a function takes a shared_ptr (from boost or C++11 STL), are you passing it:
10 Answers
...
How to remove an item for a OR'd enum?
... need to & it with the ~ (complement) of 'BLUE'.
The complement operator essentially reverses or 'flips' all bits for the given data type. As such, if you use the AND operator (&) with some value (let's call that value 'X') and the complement of one or more set bits (let's call those bits ...
what is the difference between XSD and WSDL
...
Paolo answer is correct. Just enhancing it. As WSDL is actually XML and may or may not have XSD to validate it's structure. Associated XSD may be a separate file and imported in WSDL or full XSD can be embedded inline in WSDL file itself usin...
Overwrite or override
... seem to be a stupid question but I'm just so curious and want to use the correct term when talking about the issue. Couldn't find a similar question here so I decided to create a new one.
...
When to use os.name, sys.platform, or platform.system?
...
Dived a bit into the source code.
The output of sys.platform and os.name are determined at compile time. platform.system() determines the system type at run time.
sys.platform is specified as a compiler define during the build configuration.
os.name checks whether certain os spec...
What does this symbol mean in JavaScript?
...
See the documentation on MDN about expressions and operators and statements.
Basic keywords and general expressions
this keyword:
How does the "this" keyword work?
var x = function() vs. function x() — Function declaration syntax
var functionName = function() {} vs functio...
Sorting a vector of custom objects
How does one go about sorting a vector containing custom (i.e. user defined) objects.
Probably, standard STL algorithm sort along with a predicate (a function or a function object) which would operate on one of the fields (as a key for sorting) in the custom object should be used.
Am I on the ...
Regular expression to match numbers with or without commas and decimals in text
...ne are perfect yet. The problem I have is that the numbers in my text may or may not have decimals and commas. For example:
...
Creating a “logical exclusive or” operator in Java
Java has a logical AND operator.
Java has a logical OR operator.
Java has a logical NOT operator.
17 Answers
...