大约有 44,000 项符合查询结果(耗时:0.0255秒) [XML]
How to display a dynamically allocated array in the Visual Studio debugger?
...
Yes, simple.
say you have
char *a = new char[10];
writing in the debugger:
a,10
would show you the content as if it were an array.
share
|
impro...
How do I check that a Java String is not all whitespaces?
I want to check that Java String or character array is not just made up of whitespaces, using Java?
15 Answers
...
How do I check to see if a value is an integer in MySQL?
...his query will give the rows with Int values
SELECT col1 FROM table WHERE concat('',col * 1) = col;
share
|
improve this answer
|
follow
|
...
In Vim, I'd like to go back a word. The opposite of `w`
...nd B to advance/go back a WORD (which
consists of a sequence of non-blank characters separated with white space, according to :h WORD).
share
|
improve this answer
|
follow
...
Convert from ASCII string encoded in Hex to plain ASCII?
...ing="Latin1") 'päul' For those of us playing in binary, the extended characters choke on the default utf-8 decode, other than that, this is the most portable answer I see! Thanks!
– grambo
Nov 17 '17 at 16:14
...
Why is “while ( !feof (file) )” always wrong?
...e is again std::cin, just as before.
POSIX, write(2) to flush a buffer:
char const * p = buf;
ssize_t n = bufsize;
for (ssize_t k = bufsize; (k = write(fd, p, n)) > 0; p += k, n -= k) {}
if (n != 0) { /* error, failed to write complete buffer */ }
The result we use here is k, the numb...
Similar to jQuery .closest() but traversing descendants?
... currentLayerElements = currentLayerElements.reduce((acc, item)=>acc.concat([...item.childNodes]), []);
}
return null;
};
share
|
improve this answer
|
follow
...
Using printf with a non-null terminated string
...
@user1424739: In your case printf will print up to 11 characters or until it encounters NULL, whichever comes first; in your example NULL comes first. Specifying a maximum length does not make NULL lose its "end-of-string" meaning for printf.
– DarkDust
...
How many and which are the uses of “const” in C++?
...p you to decide when and when not you need to copy.
struct MyString {
char * getData() { /* copy: caller might write */ return mData; }
char const* getData() const { return mData; }
};
Explanation: You might want to share data when you copy something as long as the data of the originally ...
Is there any good dynamic SQL builder library in Java? [closed]
...
@EpicPandaForce I agree for very simple cases but the concatenation is much complicated when you need to concat that string based on very complicated conditions where there is a different set of this conditions. The correctly concatenated string then (like all the adds, joins, h...