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Android JSONObject - How can I loop through a flat JSON object to get each key and value
... to iterate over all the properties, and call get() for each.
Iterator<String> iter = json.keys();
while (iter.hasNext()) {
String key = iter.next();
try {
Object value = json.get(key);
} catch (JSONException e) {
// Something went wrong!
}
}
...
How to get a json string from url?
...Use the WebClient class in System.Net:
var json = new WebClient().DownloadString("url");
Keep in mind that WebClient is IDisposable, so you would probably add a using statement to this in production code. This would look like:
using (WebClient wc = new WebClient())
{
var json = wc.DownloadSt...
Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...
The Big Picture
There are two issues at play here:
Integer getInteger(String) doesn't do what you think it does
It returns null in this case
the assignment from Integer to int causes auto-unboxing
Since the Integer is null, NullPointerException is thrown
To parse (String) "123" to (int)...
Non-type template parameters
...
That is not allowed.
However, this is allowed:
template <std::string * temp> //pointer to object
void f();
template <std::string & temp> //reference to object
void g();
See §14.1/6,7,8 in C++ Standard (2003).
Illustration:
template <std::string * temp> //point...
How can I set the WiX installer version to the current build version?
... @foobar Its been a while since I was in here, but if you look at the string !(bind.fileVersion.MyDLL) it uses the 3rd part in reference to the <File Id="MyDLL"... section
– K0D4
Oct 10 '17 at 19:46
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How do you do a limit query in JPQL or HQL?
...t<UserMetricValue> findTopNByUserIdAndMetricId(
@Param("userId") String userId, @Param("metricId") Long metricId,
@Param("limit") int limit);
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How to change position of Toast in Android?
... will fix it:
Toast toast= Toast.makeText(getApplicationContext(),
"Your string here", Toast.LENGTH_SHORT);
toast.setGravity(Gravity.TOP|Gravity.CENTER_HORIZONTAL, 0, 0);
toast.show();
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Equation (expression) parser with precedence?
...t precedence you need to think recursively, for example, using your sample string,
1+11*5
to do this manually, you would have to read the 1, then see the plus and start a whole new recursive parse "session" starting with 11... and make sure to parse the 11 * 5 into its own factor, yielding a par...
What are the best PHP input sanitizing functions?
I am trying to come up with a function that I can pass all my strings through to sanitize. So that the string that comes out of it will be safe for database insertion. But there are so many filtering functions out there I am not sure which ones I should use/need.
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What is a StoryBoard ID and how can i use this?
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The storyboard ID is a String field that you can use to create a new ViewController based on that storyboard ViewController. An example use would be from any ViewController:
//Maybe make a button that when clicked calls this method
- (IBAction)bu...