大约有 46,000 项符合查询结果(耗时:0.0688秒) [XML]
Disable vertical scroll bar on div overflow: auto
...
@Coulton What about safari and chrome?
– QMaster
May 7 '14 at 19:18
Ac...
What is the Swift equivalent of -[NSObject description]?
...is on a Swift type you must implement the CustomStringConvertible protocol and then also implement a string property called description.
For example:
class MyClass: CustomStringConvertible {
let foo = 42
var description: String {
return "<\(type(of: self)): foo = \(foo)>"
...
click or change event on radio using jquery
I have some radios in my page,and I want to do something when the checked radio changes,however the code does not work in IE:
...
“int main (vooid)”? How does that work?
I recently had to type in a small C test program and, in the process, I made a spelling mistake in the main function by accidentally using vooid instead of void .
...
How to find out what type of a Mat object is with Mat::type() in OpenCV
...
Here is a handy function you can use to help with identifying your opencv matrices at runtime. I find it useful for debugging, at least.
string type2str(int type) {
string r;
uchar depth = type & CV_MAT_DEPTH_MASK;
uchar cha...
How to list empty folders in linux
In Linux how do I check all folders in a directory and output the name of all directories that are empty to a list.
1 Answe...
What is the maximum length of data I can put in a BLOB column in MySQL?
...
In other words, BLOB ≈ 64KB, MEDIUMBLOB ≈ 16MB and LONGBLOB ≈ 4GB
– IvanRF
Oct 9 '15 at 16:02
...
Replace words in a string - Ruby
...eems to replace only the first instance, which is of course sometimes fine and sometimes not.
– Jason Swett
Sep 18 '13 at 19:57
1
...
Why is Scala's immutable Set not covariant in its type?
...nt hinges around "the concept behind sets as functions" - could this be expanded upon? For example, what advantages does "a set as a function" give me that a "set as a collection" not? Is it worth losing the use of that covariant type?
– oxbow_lakes
Mar 24 '09 ...
String's Maximum length in Java - calling length() method
...ALUE, which is 2^31 - 1 (or approximately 2 billion.)
In terms of lengths and indexing of arrays, (such as char[], which is probably the way the internal data representation is implemented for Strings), Chapter 10: Arrays of The Java Language Specification, Java SE 7 Edition says the following:
...