大约有 44,000 项符合查询结果（耗时：0.0651秒） [XML]
How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG image to a Base64 string.
26 Answers
26
...
Why can't strings be mutable in Java and .NET?
Why is it that they decided to make String immutable in Java and .NET (and some other languages)? Why didn't they make it mutable?
...
How to convert a char array back to a string?
...ry minimal.
Note however, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a b...
What's the best way to trim std::string?
I'm currently using the following code to right-trim all the std::strings in my programs:
46 Answers
...
How to set a Default Route (To an Area) in MVC
...reViewEngine : VirtualPathProviderViewEngine
{
private static readonly string[] EmptyLocations = { };
public override ViewEngineResult FindView(
ControllerContext controllerContext, string viewName,
string masterName, bool useCache)
{
if (controllerContext == nul...
Modify request parameter with servlet filter
... are the characters allowed by the Javascript validation */
static String allowedChars = "+-0123456789#*";
public FilteredRequest(ServletRequest request) {
super((HttpServletRequest)request);
}
public String sanitize(String input) {
String re...
HTML in string resource?
I know I can put escaped HTML tags in string resources. However, looking at the source code for the Contacts application I can see that they have a way of not having to encode the HTML. Quote from the Contacts application strings.xml :
...
How to get device make and model on iOS?
...e currentdevice is? I know it's possible to get the model through
NSString *deviceType = [[UIDevice currentDevice] model];
which will just return whether I have an "iPhone" or an "iPod", BUT I was wondering if it's possible to detect/know if I have an iPhone 3GS vs. and iPhone 4 vs. an iPho...
What is the difference between single-quoted and double-quoted strings in PHP?
I'm a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes.
12 Ans...
What is the difference between a string and a byte string?
I am working with a library which returns a byte string and I need to convert this to a string.
7 Answers
...