大约有 22,000 项符合查询结果（耗时：0.0478秒） [XML]
How do I use InputFilter to limit characters in an EditText in Android?
...haracter shows up in the field. This is because the method gets a SpannableStringBuilder in source parameter with "the-blah" in it and start/end parameters spanning the whole input string... See my answer for a better solution.
– Łukasz Sromek
Sep 29 '12 at 20...
What is the point of the diamond operator () in Java 7?
...
The issue with
List<String> list = new LinkedList();
is that on the left hand side, you are using the generic type List<String> where on the right side you are using the raw type LinkedList. Raw types in Java effectively only exist fo...
C++ static virtual members?
...is duplication of function definitions:
class Object
{
public:
static string getTypeInformationStatic() { return "base class";}
virtual string getTypeInformation() { return getTypeInformationStatic(); }
};
class Foo: public Object
{
public:
static string getTypeInformationStatic() { re...
How to remove spaces from a string using JavaScript?
How to remove spaces in a string? For instance:
7 Answers
7
...
C++ new int[0] — will it allocate memory?
...
I guarantee you that new int[0] costs you extra space since I have tested it.
For example,
the memory usage of
int **arr = new int*[1000000000];
is significantly smaller than
int **arr = new int*[1000000000];
for(int i =0; i < 1000000000; i++) {
arr[i]...
What is the best way to remove accents (normalize) in a Python unicode string?
I have a Unicode string in Python, and I would like to remove all the accents (diacritics).
8 Answers
...
How can we match a^n b^n with Java regex?
...'s start with a simpler problem: we want to match a+ at the beginning of a string, but only if it's followed immediately by b+. We can use ^ to anchor our match, and since we only want to match the a+ without the b+, we can use lookahead assertion (?=…).
Here is our pattern with a simple test harn...
Calculate a MD5 hash from a string
I use the following C# code to calculate a MD5 hash from a string.
It works well and generates a 32-character hex string like this:
900150983cd24fb0d6963f7d28e17f72
...
Should operator
...ostream>
class Paragraph
{
public:
explicit Paragraph(std::string const& init)
:m_para(init)
{}
std::string const& to_str() const
{
return m_para;
}
bool operator==(Paragraph const& rhs) const
{
...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...过多种方式进行初始化，最常见的方式是使用 char* 或std::string 进行初始化，如清单 2 中所示。
清单 2. 创建 Boost path 对象的方法
path(); // empty path
path(const char* pathname);
path(const std::string& pathname);
path(const char* pathname, boost::f...