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Calling remove in foreach loop in Java [duplicate]
...while iterating over it you should use an Iterator.
For example:
List<String> names = ....
Iterator<String> i = names.iterator();
while (i.hasNext()) {
String s = i.next(); // must be called before you can call i.remove()
// Do something
i.remove();
}
From the Java Documenta...
jquery .html() vs .append()
...
Whenever you pass a string of HTML to any of jQuery's methods, this is what happens:
A temporary element is created, let's call it x. x's innerHTML is set to the string of HTML that you've passed. Then jQuery will transfer each of the produced ...
Input and Output binary streams using JERSEY?
...roduces({"image/png"})
public Response getAsImage(@PathParam("externalId") String externalId,
@Context Request request) throws WebApplicationException {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
// do something with externalId, maybe retrieve an object from the
...
How to get current timestamp in string format in Java? “yyyy.MM.dd.HH.mm.ss”
How to get timestamp in string format in Java? "yyyy.MM.dd.HH.mm.ss"
7 Answers
7
...
What are the use(s) for tags in Go?
...n the documentation of reflect.StructTag, by convention the value of a tag string is a space-separated list of key:"value" pairs, for example:
type User struct {
Name string `json:"name" xml:"name"`
}
The key usually denotes the package that the subsequent "value" is for, for example json key...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
...as an attribute of the derived class.
Example:
class Person
{
public string Name { get; set; }
}
[NotMapped]
class PersonViewModel : Person
{
public bool UpdateProfile { get; set; }
}
Now, even if you map the Person class to the Person table on the database, a "Discriminator" column wil...
How to get URI from an asset File?
...
Doesn't work anymore String fileName = "file:///android_asset/file.csv"; System.out.println(new File(fileName).exists()); // prints false
– Elgirhath
Jun 19 at 20:15
...
Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...racter (Zulu or zero offset) at the end of UTC datetime object's isoformat string unlike JavaScript?
12 Answers
...
Why is require_once so bad to use?
...red. Every *_once call means checking that log. So there's definitely some extra work being done there but enough to detriment the speed of the whole app?
... I really doubt it... Not unless you're on really old hardware or doing it a lot.
If you are doing thousands of *_once, you could do the wo...
Representing null in JSON
...son2 = '{"myCount": null}';
var json3 = '{"myCount": 0}';
var json4 = '{"myString": ""}';
var json5 = '{"myString": "null"}';
var json6 = '{"myArray": []}';
console.log(JSON.parse(json1)); // {}
console.log(JSON.parse(json2)); // {myCount: null}
console.log(JSON.parse(json3)); // {myCount: 0}
conso...