大约有 44,490 项符合查询结果（耗时：0.0451秒） [XML]
PHP and MySQL - how to avoid password in source code? [duplicate]
...database. Currently username / password are hard-coded in the PHP code. A situation I do not really like, for example, since the code is also available in a repository.
...
Explain Morris inorder tree traversal without using stacks or recursion
...please help me understand the following Morris inorder tree traversal algorithm without using stacks or recursion ? I was trying to understand how it works, but its just escaping me.
...
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...or and some of the CSS rules--which appear to be applied--are grayed out. It seems that a strike-through indicates that a rule was overridden, but what does it mean when a style is grayed out?
...
How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
What causes this error, how can I fix it?
31 Answers
31
...
Is there a reason for C#'s reuse of the variable in a foreach?
...ous methods in C#, we have to be wary of the access to modified closure pitfall. For example:
4 Answers
...
Always pass weak reference of self into block in ARC?
I am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, s...
Recursive lambda functions in C++11
I am new to C++11. I am writing the following recursive lambda function, but it doesn't compile.
14 Answers
...
Interface defining a constructor signature?
It's weird that this is the first time I've bumped into this problem, but:
18 Answers
...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...follow
|
edited Apr 24 '14 at 22:11
Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
...
Why .NET String is immutable? [duplicate]
... of immutable types are inherently thread-safe, since no thread can modify it, the risk of a thread modifying it in a way that interferes with another is removed (the reference itself is a different matter).
Similarly, the fact that aliasing can't produce changes (if x and y both refer to the same o...