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“loop:” in Java code. What is this, and why does it compile?
...e of code once. The programmer wrote:
http://www.example.com/xyz.jsp
for (Foo foo1 : foolist)
He didn't actually say "example.com" but our company's web site.
It gives the impression that there's a URL in the code. It compiles successfully, like it does something. But ... what does it do?
In re...
undefined method `source_index' for Gem:Module (NoMethodError)
I'm running a Rails 2.3.5 application and upon running script/server I am shown the following:
5 Answers
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What does “./” (dot slash) refer to in terms of an HTML file path location?
...
. = This location
.. = Up a directory
So, ./foo.html is just foo.html. And it is optional, but may have relevance if a script generated the path (relevance to the script that is, not how the reference works).
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Google App Engine: Is it possible to do a Gql LIKE query?
...stion specifically, here is the answer
How do I do a like query (LIKE "foo%")
You can do something like a startWith, or endWith if you reverse the order when stored and searched. You do a range query with the starting value you want, and a value just above the one you want.
String start = "f...
Is it possible to append to innerHTML without destroying descendants' event listeners?
...code, I attach an onclick event handler to the span containing the text "foo". The handler is an anonymous function that pops up an alert() .
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Why are private fields private to the type, not the instance?
...nt object isn't easy to do. For example, consider this code:
public class Foo
{
private int bar;
public void Baz(Foo other)
{
other.bar = 2;
}
public void Boo()
{
Baz(this);
}
}
Can the compiler necessarily figure out that other is actually this? Not ...
How to use Java property files?
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If you put the properties file in the same package as class Foo, you can easily load it with
new Properties().load(Foo.class.getResourceAsStream("file.properties"))
Given that Properties extends Hashtable you can iterate over the values in the same manner as you would in a Hashtab...
How do you check that a number is NaN in JavaScript?
...cking it for equality to itself:
var a = NaN;
a !== a; // true
var b = "foo";
b !== b; // false
var c = undefined;
c !== c; // false
var d = {};
d !== d; // false
var e = { valueOf: "foo" };
e !== e; // false
Didn't realize this until @allsyed commented, but this is in the ECMA spec: http...
Naming conventions: “State” versus “Status” [closed]
...ts on when to use "State" versus "Status" when naming both fields such as "Foo.currentState" vs "Foo.status" and types, like "enum FooState" vs "enum FooStatus". Is there a convention discussed out there? Should we only use one? If so which one, and if not, how should we choose?
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Loading and parsing a JSON file with multiple JSON objects
I am trying to load and parse a JSON file in Python . But I'm stuck trying to load the file:
3 Answers
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