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Javascript : Send JSON Object with Ajax?
...n("POST", "/json-handler");
xmlhttp.setRequestHeader("Content-Type", "application/json");
xmlhttp.send(JSON.stringify({name:"John Rambo", time:"2pm"}));
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Can I inject a service into a directive in AngularJS?
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You can do injection on Directives, and it looks just like it does everywhere else.
app.directive('changeIt', ['myData', function(myData){
return {
restrict: 'C',
link: function (scope, element, attrs) {
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Check if a Postgres JSON array contains a string
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As of PostgreSQL 9.4, you can use the ? operator:
select info->>'name' from rabbits where (info->'food')::jsonb ? 'carrots';
You can even index the ? query on the "food" key if you switch to the jsonb type instead:
alter table rabbits alt...
Insert a line break in mailto body
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I would suggest you try the html tag <br>, in case your marketing application will recognize it.
I use %0D%0A. This should work as long as the email is HTML formatted.
<a href="mailto:email@mycompany.com?subject=Subscribe&body=Lastame%20%3A%0D%0AFirstname%20%3A...
Start an Activity with a parameter
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How can "b" be null in second activity in this code? I get b is null on create method of second activity.
– Murat Çorlu
Aug 9 '11 at 23:18
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Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?
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# in the string format indicate that the value is optional. If you wish to get the output 0.00 you need the following:
0.ToString("0.00");
See here for the custom numeric formats that can be passed to this method.
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Array.Add vs +=
...ay. An array is a collection of fixed size, so you will receive an error because it can't be extended.
$array += $element creates a new array with the same elements as old one + the new item, and this new larger array replaces the old one in the $array-variable
You can use the += operator to a...
Properly escape a double quote in CSV
... to enclose fields, then a double-quote appearing inside a field must be escaped by preceding it with another double quote."
– tommed
Feb 18 '15 at 16:35
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Significance of bool IsReusable in http handler interface
...n writing a http handler/module, there is an interface member to implement called - bool IsReusable .
3 Answers
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Java Generics Wildcarding With Multiple Classes
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Actually, you can do what you want. If you want to provide multiple interfaces or a class plus interfaces, you have to have your wildcard look something like this:
<T extends ClassA & InterfaceB>
See the Generics Tutorial at ...