大约有 48,000 项符合查询结果(耗时:0.0470秒) [XML]

https://stackoverflow.com/ques... 

Why are there two kinds of functions in Elixir?

I'm learning Elixir and wonder why it has two types of function definitions: 8 Answers ...
https://stackoverflow.com/ques... 

How to enable MySQL Query Log?

...he MySQL function that logs each SQL query statement received from clients and the time that query statement has submitted? Can I do that in phpmyadmin or NaviCat? How do I analyse the log? ...
https://stackoverflow.com/ques... 

When would you use a WeakHashMap or a WeakReference?

...mplementation of so I'm trying to figure out what the use case for them is and how the implementation would work. When have you needed to use a WeakHashMap or WeakReference and how was it used? ...
https://stackoverflow.com/ques... 

Clojure differences between Ref, Var, Agent, Atom, with examples

...here to use Ref, Var, Agent, Atom. I read book, but, still couldn't understand the real world examples. 5 Answers ...
https://stackoverflow.com/ques... 

Can I assume (bool)true == (int)1 for any C++ compiler?

...are redundant. In your expression: true == 1 Integral promotion applies and the bool value will be promoted to an int and this promotion must yield 1. Reference: 4.7 [conv.integral] / 4: If the source type is bool... true is converted to one. ...
https://stackoverflow.com/ques... 

lose vim colorscheme in tmux mode

I'm running iterm2 and when I'm in tmux mode the colorscheme I have set in vim does not show up. Only the color scheme I've set in iterm. If I run vim from shell the colorscheme appears correct - its only when I'm in tmux mode. ...
https://stackoverflow.com/ques... 

Check string for palindrome

... ++i1; --i2; } return true; } Example: Input is "andna". i1 will be 0 and i2 will be 4. First loop iteration we will compare word[0] and word[4]. They're equal, so we increment i1 (it's now 1) and decrement i2 (it's now 3). So we then compare the n's. They're equal, so w...
https://stackoverflow.com/ques... 

JavaScript OR (||) variable assignment explanation

... variable is falsy. The boolean operators in JavaScript can return an operand, and not always a boolean result as in other languages. The Logical OR operator (||) returns the value of its second operand, if the first one is falsy, otherwise the value of the first operand is returned. For example:...
https://stackoverflow.com/ques... 

Is GridFS fast and reliable enough for production?

I develop a new website and I want to use GridFS as storage for all user uploads, because it offers a lot of advantages compared to a normal filesystem storage. ...
https://stackoverflow.com/ques... 

How to create id with AUTO_INCREMENT on Oracle?

It appears that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g. 16 Answers ...