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JavaScript pattern for multiple constructors
... have to sniff them manually. JavaScript will happily call a function with more or fewer than the declared number of arguments.
function foo(a, b) {
if (b===undefined) // parameter was omitted in call
b= 'some default value';
if (typeof(a)==='string')
this._constructInSomeW...
Java Timer vs ExecutorService?
...ledThreadPoolExecutor can be configured with any number of threads. Furthermore, you have full control over created threads, if you want (by providing ThreadFactory).
Runtime exceptions thrown in TimerTask kill that one thread, thus making Timer dead :-( ... i.e. scheduled tasks will not run anymore...
Bash function to find newest file matching pattern
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How to get UITableView from UITableViewCell?
...leView;
@end
This is a much better design, though it will require a bit more code refactoring to use in existing projects. In your tableView:cellForRowAtIndexPath use SOUITableViewCell as your cell class or make sure your custom cell class is subclassed from SOUITableViewCell and assign the tabl...
How to implement the activity stream in a social network
...on - so pushing an activity out to 1000 friends takes milliseconds.
For a more detailed explanation of what I am talking about, see Redis' Twitter example: http://redis.io/topics/twitter-clone
Update February 2011 I've got 50 million active activities at the moment and I haven't changed anything. ...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...east as long as you're not forcing that statement to be an expression, but more about that later). The return value of empty blocks is empty, so the result of that statement is the same as +[]. The unary + operator (§11.4.6) returns ToNumber(ToPrimitive(operand)). As we already know, ToPrimitive([]...
When to use Storyboard and when to use XIBs
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How can I check if an argument is defined when starting/calling a batch file?
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A more-advanced example:
⍟ unlimited arguments.
⍟ exist on file system (either file or directory?) or a generic string.
⍟ specify if is a file
⍟ specify is a directory
⍟ no extensions, would work in legacy scripts!
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Can a for loop increment/decrement by more than one?
...he for loop, but it is typically used to update the counter variable.
For more information about each step of the for loop, check out the MDN article.
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