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How to convert JSON to XML or XML to JSON?
... Just FYI, there's a potential issue here. When I was turning an array of xml nodes to json it was making an array in json. But, when I run through an array of xml nodes that have a count of 1, then the json conversion doesn't format an array anymore. An xml array with a single element get...
Add object to ArrayList at specified index
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You can use Array of objects and convert it to ArrayList-
Object[] array= new Object[10];
array[0]="1";
array[3]= "3";
array[2]="2";
array[7]="7";
List<Object> list= Arrays.asList(array);
ArrayList will be- [1, null, 2, 3, null...
How do I convert a byte array to Base64 in Java?
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Java 8+
Encode or decode byte arrays:
byte[] encoded = Base64.getEncoder().encode("Hello".getBytes());
println(new String(encoded)); // Outputs "SGVsbG8="
byte[] decoded = Base64.getDecoder().decode(encoded);
println(new String(decoded)) // Outputs ...
When to use enumerateObjectsUsingBlock vs. for
...the fastest traversal of the native storage format. Likely irrelevant for arrays, but it can be a huge difference for dictionaries.
"Don't use enumerateObjectsUsingBlock when you need to modify local variables" - not true; you can declare your locals as __block and they'll be writable in the block....
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...th that or you check the host name against a white list:
$allowed_hosts = array('foo.example.com', 'bar.example.com');
if (!isset($_SERVER['HTTP_HOST']) || !in_array($_SERVER['HTTP_HOST'], $allowed_hosts)) {
header($_SERVER['SERVER_PROTOCOL'].' 400 Bad Request');
exit;
}
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What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
... a site and in your malicious site's Javascript you override the object or array constructor:
function Object() {
//Make an Ajax request to your malicious site exposing the object data
}
then you include a <script> tag in that site such as
<script src="http://www.example.com/object....
How to initialize all members of an array to the same value in Swift?
I have a large array in Swift. I want to initialize all members to the same value (i.e. it could be zero or some other value). What would be the best approach?
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How to iterate over a JavaScript object?
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If you want to do it "in chunks", the best is to extract the keys in an array. As the order isn't guaranteed, this is the proper way. In modern browsers, you can use
let keys = Object.keys(yourobject);
To be more compatible, you'd better do this :
let keys = [];
for (let key in yourobject) ...
How do I set the value property in AngularJS' ng-options?
... {comprehension_expression=} – in one of the
following forms:
For array data sources:
label for value in array
select as label for value in array
label group by group for value in array
select as label group by group for value in array track by trackexpr
For object data sources:
...
Sort NSArray of date strings or objects
I have an NSArray that contains date strings (i.e. NSString) like this: "Thu, 21 May 09 19:10:09 -0700"
9 Answers
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