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Convert file: Uri to File in Android
...hat you want is...
new File(uri.getPath());
... and not...
new File(uri.toString());
Note: uri.toString() returns a String in the format: "file:///mnt/sdcard/myPicture.jpg", whereas uri.getPath() returns a String in the format: "/mnt/sdcard/myPicture.jpg".
...
How to use Session attributes in Spring-mvc
... attribute to session:
@RequestMapping(method = RequestMethod.GET)
public String testMestod(HttpServletRequest request){
ShoppingCart cart = (ShoppingCart)request.getSession().setAttribute("cart",value);
return "testJsp";
}
and you can get it from controller like this :
ShoppingCart cart =...
stringstream, string, and char* conversion confusion
My question can be boiled down to, where does the string returned from stringstream.str().c_str() live in memory, and why can't it be assigned to a const char* ?
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How to convert jsonString to JSONObject in Java
I have String variable called jsonString :
19 Answers
19
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How to get the separate digits of an int number?
...@Don, in practice, no. I would not favor this. It is way faster than the string based version though. I would look at Marimuthu's answer though for some fast and short code.
– jjnguy
Aug 2 '10 at 18:25
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how to get request path with express req object
...
If you don't want the query string included: const path = req.originalUrl.replace(/\?.*$/, '');
– Adam Reis
Feb 5 '19 at 4:03
3
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Should you declare methods using overloads or optional parameters in C# 4.0?
...meters feature of 4.0. It gets rid of the ridiculous ...
public void M1( string foo, string bar )
{
// do that thang
}
public void M1( string foo )
{
M1( foo, "bar default" ); // I have always hated this line of code specifically
}
... and puts the values right where the caller can see the...
Sort a Map by values
...e a TreeMap as follows:
public class Testing {
public static void main(String[] args) {
HashMap<String, Double> map = new HashMap<String, Double>();
ValueComparator bvc = new ValueComparator(map);
TreeMap<String, Double> sorted_map = new TreeMap<Strin...
Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?
I see many different Java terms floating around. I need to install the JDK 1.6. It was my understanding that Java 6 == Java 1.6. However, when I install Java SE 6, I get a JVM that reports as version 11.0! Who can solve the madness?
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get size of json object
i have a json object that gets returned by an AJAX request and I am having some trouble with the .length because it keeps returning undefined . Just wondering if I'm using it right:
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