大约有 40,900 项符合查询结果（耗时：0.0435秒） [XML]
Correct format specifier to print pointer or address?
...
The simplest answer, assuming you don't mind the vagaries and variations in format between different platforms, is the standard %p notation.
The C99 standard (ISO/IEC 9899:1999) says in §7.19.6.1 ¶8:
p The argument shall be a pointer to void. The value of the pointer is
con...
Does Python support short-circuiting?
...
Yep, both and and or operators short-circuit -- see the docs.
share
|
improve this answer
|
follow
...
Is there a MySQL option/feature to track history of changes to records?
...QL database. So when a field has been changed, the old vs new is available and the date this took place. Is there a feature or common technique to do this?
...
What is the difference between Polymer elements and AngularJS directives?
... a new element.
On to questions!
What is the difference between Angular and Polymer?
We covered some of this in our Q&A video. In general, Polymer is a library that aims to use (and show how to use) Web Components. Its foundation is Custom Elements (e.g. everything you build is a web compone...
What are the benefits of dependency injection containers?
I understand benefits of dependency injection itself. Let's take Spring for instance. I also understand benefits of other Spring featureslike AOP, helpers of different kinds, etc. I'm just wondering, what are the benefits of XML configuration such as:
...
What is the difference between memmove and memcpy?
What is the difference between memmove and memcpy ? Which one do you usually use and how?
9 Answers
...
SAML vs federated login with OAuth
What's the difference between SAML and federated login with OAuth? Which solution makes more sense, if a company wants to use a third-party webapp, and but also wants single sign-on and be the authentication authority?
...
What is the difference between a strongly typed language and a statically typed language?
...
What is the difference between a strongly typed language and a statically typed language?
A statically typed language has a type system that is checked at compile time by the implementation (a compiler or interpreter). The type check rejects some programs, and programs that pass...
Difference between float and decimal data type
What difference does it make when I use float and decimal data types in MySQL?.
12 Answers
...
git merge: apply changes to code that moved to a different file
... git did not notice that the code in the new file was the same as the old, and so none of my changes are there.
3 Answers...