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How to properly URL encode a string in PHP?
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Is this rule always the empirical one? I mean, when I need to encode a query string I always use urldecode. Then, what about the URI path (e.g. /a/path with spaces/) and URI fragment (e.g. #fragment). Should I always use rawurldecode for these two?
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mongoDB/mongoose: unique if not null
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Awesome! Definitely the best answer for newbs like me after 1.8! NOTE: Mongoose won't update your unique index to be sparse if you just add a sparse : true to your schema. You have to drop and re-add the index. Dunno if that's ex...
Why is Go so slow (compared to Java)?
As we could see from The Computer Language Benchmarks Game in 2010:
10 Answers
10
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...secure alternative.
If you do not need it to be absolutely unique over time:
md5(uniqid(rand(), true))
Otherwise (given you have already determined a unique login for your user):
md5(uniqid($your_user_login, true))
sha...
What exactly is RESTful programming?
...rchitecture does not require these "pretty URLs". A GET request with a parameter
http://myserver.com/catalog?item=1729
is every bit as RESTful.
Keep in mind that GET requests should never be used for updating information. For example, a GET request for adding an item to a cart
http://myserver.c...
What's the difference between Invoke() and BeginInvoke()
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Do you mean Delegate.Invoke/BeginInvoke or Control.Invoke/BeginInvoke?
Delegate.Invoke: Executes synchronously, on the same thread.
Delegate.BeginInvoke: Executes asynchronously, on a threadpool thread.
Control.Invoke: Executes on...
How to properly compare two Integers in Java?
...stem.out.println(x == y);
this will check whether x and y refer to the same object rather than equal objects.
So
Integer x = new Integer(10);
Integer y = new Integer(10);
System.out.println(x == y);
is guaranteed to print false. Interning of "small" autoboxed values can lead to tricky results...
PDO's query vs execute
Are they both do the same thing, only differently?
3 Answers
3
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Moving Files into a Real Folder in Xcode
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A modern (and dead simple!) approach for 2017 (Xcode 6, 7, 8, and sometimes 9, since it does it automagically some of the time):
If you're moving a bunch of files into a new folder and are keeping the child hierarchy, it's actually a lot easier than moving each file individually:
Create ne...
What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
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With the Factory pattern, you produce instances of implementations (Apple, Banana, Cherry, etc.) of a particular interface -- say, IFruit.
With the Abstract Factory pattern, you provide a way for anyone to provide their own factory. This allows your warehouse to be either an IFru...