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How do you return a JSON object from a Java Servlet
How do you return a JSON object form a Java servlet.
13 Answers
13
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for each loop in Objective-C for accessing NSMutable dictionary
...d value = xyz[key];
// do stuff
}
This works for every class that conforms to the NSFastEnumeration protocol (available on 10.5+ and iOS), though NSDictionary is one of the few collections which lets you enumerate keys instead of values. I suggest you read about fast enumeration in the Collect...
How can I view array structure in JavaScript with alert()?
...ugin as follows:
alert( $.toJSON(myArray) );
This prints the array in a format like
[5, 6, 7, 11]
However, for debugging your Javascript code, I highly recommend Firebug It actually comes with a Javascript console, so you can type out Javascript code for any page and see the results. Things ...
Append values to a set in Python
...t;>> my_set = my_set | {2}
>>> my_set
{1, 2}
Or a shorter form using |=:
>>> my_set = {1}
>>> my_set |= {2}
>>> my_set
{1, 2}
Note: In versions prior to Python 2.7, use set([...]) instead of {...}.
...
Developing C# on Linux
...# applications on Linux (Ubuntu). In particular, I have to develop Windows Forms applications.
6 Answers
...
HttpServletRequest to complete URL
...e behavior and bugs in other parts of code that expect it in it's original form.
– Ken Blair
May 22 '12 at 16:53
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DateTime.ToString() format that can be used in a filename or extension?
...
I would use the ISO 8601 format, without separators:
DateTime.Now.ToString("yyyyMMddTHHmmss")
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How to create a bash script to check the SSH connection?
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An even more concise form of #1: ssh -q user@downhost exit | echo $? pipe the connection result into echo
– philn5d
Nov 30 '18 at 21:22
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Use String.split() with multiple delimiters
...
The string you give split is the string form of a regular expression, so:
private void getId(String pdfName){
String[]tokens = pdfName.split("[\\-.]");
}
That means to split on any character in the [] (we have to escape - with a backslash because it's specia...
How to find the foreach index?
...l management (increments, etc).
A foreach will give you your index in the form of your $key value, so such a hack shouldn't be necessary.
e.g., in a foreach
$index = 0;
foreach($data as $key=>$val) {
// Use $key as an index, or...
// ... manage the index this way..
echo "Index is ...