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How to find an available port?
... When using new ServerSocket(0), care should be taken to close it! Based on javasourcecode.org/html/open-source/eclipse/eclipse-3.5.2/org/…, slightly adapted in my gist.github.com/3429822
– vorburger
Aug 22 '12 at 22:09
...
How can I make my custom objects Parcelable?
... License 2.0)
These plugins generate Android Parcelable boilerplate code based on fields in the class.
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How do I add a simple onClick event handler to a canvas element?
...ments have been pushed onto the array, we loop through and render each one based on their properties.
When the click event is triggered, the code loops through the elements and determines if the click was over any of the elements in the elements array. If so, it fires an alert(), which could easily...
How do you get the “object reference” of an object in java when toString() and hashCode() have been
... As has been mentioned, there is no guarentee of the hashcode being based on the address. I have seen multiple objects with the same ID occur in the IBM VM inside of WAS.
– Robin
Feb 24 '09 at 14:48
...
Proxy with express.js
...et encoding
pres.setEncoding('utf8');
// set http status code based on proxied response
ores.writeHead(pres.statusCode);
// wait for data
pres.on('data', chunk => {
ores.write(chunk);
});
pres.on('close', () => {
// closed, let's end...
Algorithm to detect overlapping periods [duplicate]
...range2.Start && range1.End == range2.End;
}
return base.Equals(obj);
}
public override int GetHashCode() {
return base.GetHashCode();
}
#endregion
#region Querying
public bool Intersects(DateTimeRange range) {
var type = GetIntersectio...
Python: List vs Dict for look up table
...ite some memory.
If you do not add new entries on the fly (which you do, based on your updated question), it might be worthwhile to sort the list and use binary search. This is O(log n), and is likely to be slower for strings, impossible for objects which do not have a natural ordering.
...
Unioning two tables with different number of columns
...Normally you need to have the same number of columns when you're using set based operators so Kangkan's answer is correct.
SAS SQL has specific operator to handle that scenario:
SAS(R) 9.3 SQL Procedure User's Guide
CORRESPONDING (CORR) Keyword
The CORRESPONDING keyword is used only when a set oper...
How to get an object's properties in JavaScript / jQuery?
...oking JavaScript's native for in loop:
var obj = {
foo: 'bar',
base: 'ball'
};
for(var key in obj) {
alert('key: ' + key + '\n' + 'value: ' + obj[key]);
}
or using jQuery's .each() method:
$.each(obj, function(key, element) {
alert('key: ' + key + '\n' + 'value: ' + element...
Generic method multiple (OR) type constraint
... programming world this is referred to as Overloading the method.
Define a base class or interface that knows how to do all the things that you need for the method and have one method take just that type. This may involve wrapping up a string and Exception in a small class to define how you plan on ...