大约有 40,000 项符合查询结果(耗时:0.0568秒) [XML]

https://stackoverflow.com/ques... 

How can I get the SQL of a PreparedStatement?

... Although this is functionally true, there's nothing preventing utility code from reconstructing an equivalent unprepared statement. For example, in log4jdbc: "In the logged output, for prepared statements, the bind arguments are automatically insert...
https://stackoverflow.com/ques... 

What's the maximum value for an int in PHP?

Ignoring the special libraries that allow you to work with very big numbers, what's the largest int value you can store in PHP? ...
https://stackoverflow.com/ques... 

How do you set, clear, and toggle a single bit?

... behaviour to shift by more than the width of a long. The same applies to all the rest of the examples. Clearing a bit Use the bitwise AND operator (&) to clear a bit. number &= ~(1UL << n); That will clear the nth bit of number. You must invert the bit string with the bitwise NOT op...
https://stackoverflow.com/ques... 

QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded

...ode browsing. While in private browsing, local storage is not available at all. One solution is to warn the user that the app needs non-private mode to work. UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers. ...
https://stackoverflow.com/ques... 

unsigned int vs. size_t

... static array of 8Gb). The size_t type may be bigger than, equal to, or smaller than an unsigned int, and your compiler might make assumptions about it for optimization. You may find more precise information in the C99 standard, section 7.17, a draft of which is available on the Internet in pdf fo...
https://stackoverflow.com/ques... 

How to read from standard input in the console?

...lock reader := bufio.NewReader(os.Stdin) fmt.Print("Enter text: ") text, _ := reader.ReadString('\n') fmt.Println(text) As it works on my machine. However, for the next block you need a pointer to the variables you're assigning the input to. Try replacing fmt.Scanln(text2) with fmt.Scanln(&t...
https://stackoverflow.com/ques... 

Get free disk space

... I know this answer is ancient, but you usually need to use AvailableFreeSpace as @knocte says. AvailableFreeSpace lists how much is actually available for the user (due to quotos). TotalFreeSpace lists what is available on the disk, irregardless of what the user can ...
https://stackoverflow.com/ques... 

Dynamically access object property using variable

... You inspired me to create an enhanced version that allows bracket notation & property names with spaces as well as validating the inputs: it.knightnet.org.uk/kb/node-js/get-properties – Julian Knight Jan 3 '19 at 14:04 ...
https://stackoverflow.com/ques... 

How to pass a view's onClick event to its parent on Android?

...e appropriate components: Activity.dispatchTouchEvent(MotionEvent) - This allows your Activity to intercept all touch events before they are dispatched to the window. ViewGroup.onInterceptTouchEvent(MotionEvent) - This allows a ViewGroup to watch events as they are dispatched to child Views. View...
https://stackoverflow.com/ques... 

Android: how do I check if activity is running?

... activities that link to each other then onStop on the first is sometimes called after onStart in second. So both might be true briefly. Depending on what you are trying to do (update the current activity from a service?). You could just register a static listener in the service in your activity on...