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Check if object value exists within a Javascript array of objects and if not add a new object to arr
...d')); // false
But it's not so obvious what to do when you have to add a new user to this array. The easiest way out - just pushing a new element with id equal to array.length + 1:
function addUser(username) {
if (userExists(username)) {
return false;
}
arr.push({ id: arr.length + 1, u...
How do I serialize a C# anonymous type to a JSON string?
...stead of the DataContractJsonSerializer
JavaScriptSerializer serializer = new JavaScriptSerializer();
var output = serializer.Serialize(your_anon_object);
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How to reformat JSON in Notepad++?
...pad++. Or you can just install "JSTool" from Plugin Manager in Notepad++.
New Notepad++ install and where did PluginManager go? See How to view Plugin Manager in Notepad++
{
"menu" : {
"id" : "file",
"value" : "File",
"popup" : {
"menuitem" : [{
"value" : "New",
...
SQlite Getting nearest locations (with latitude and longitude)
... = Math.toDegrees(lat);
lon = Math.toDegrees(lon);
PointF newPoint = new PointF((float) lat, (float) lon);
return newPoint;
}
And now create your query:
PointF center = new PointF(x, y);
final double mult = 1; // mult = 1.1; is more reliable
PointF p1 = calculateDer...
Producing a new line in XSLT
I want to produce a newline for text output in XSLT. Any ideas?
12 Answers
12
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Android getting value from selected radiobutton
...(Button) findViewById(R.id.btnDisplay);
btnDisplay.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// get selected radio button from radioGroup
int selectedId = radioGroup.getCheckedRadioButtonId();
//...
What's the hardest or most misunderstood aspect of LINQ? [closed]
...tatic void Linq_Deferred_Execution_Demo()
{
List<String> items = new List<string> { "Bob", "Alice", "Trent" };
var results = from s in items select s;
Console.WriteLine("Before add:");
foreach (var result in results)
{
Console.WriteLine(result);
}
i...
jQuery UI DatePicker to show month year only
... function(dateText, inst) {
$(this).datepicker('setDate', new Date(inst.selectedYear, inst.selectedMonth, 1));
}
});
});
</script>
<style>
.ui-datepicker-calendar {
display: none;
}
</style>
</head>
...
How to put more than 1000 values into an Oracle IN clause [duplicate]
...e:-
a reference table is missing and the correct way would be to add the new table, put an attribute on that table and join to it
a list of ids is extracted from the database, and then used in a subsequent SQL statement (perhaps later or on another server or whatever). In this case, the answer is...
difference between collection route and member route in ruby on rails?
...t the named create path is always plural. In your example you are adding a new vote to the collection of votes that belong to a member of posts. The id refers to the member post, not the collection of votes being created.The named path would be posts_votes_url, for example.
– G...