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Mutable vs immutable objects
...returning an array of strings from a method) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever possible?
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Why does C# have break if it's not optional? [duplicate]
...it fall-through behavior is often used to reduce the amount of code needed and often isn't an issue the first time that code is written. However, as code moves from the initial development phase into a maintenance phase, the code above can lead to subtle errors that are very hard to debug. These e...
How to sort Map values by key in Java?
I have a Map that has strings for both keys and values.
15 Answers
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iOS Remote Debugging
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Connect your iDevice via USB with your Mac
Open Safari on your Mac and activate the dev tools
On your iDevice: go to settings > safari > advanced and activate the web inspector
Go to any website with your iDevice
On your Mac: Open the developer menu and chose the site from your iDevice...
What is the point of function pointers?
...acks: You call a function f() passing the address of another function g(), and f() calls g() for some specific task. If you pass f() the address of h() instead, then f() will call back h() instead.
Basically, this is a way to parametrize a function: Some part of its behavior is not hard-coded into...
Chrome browser reload options new feature
... you get this tooltip saying: "Reload this page, hold to see more options" and when I do it I get these three awesome options.
1. Normal Reload
2. Hard Reload
3. Empty Cache and Hard Reload (this is very useful option I believe)
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Callback functions in Java
... @Omar, agreed. I've come back to Java after a long stint with C# and really miss lambdas/delegates. Come on Java!
– Drew Noakes
May 2 '11 at 14:56
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@property retain, assign, copy, nonatomic in Objective-C
...to Objective-C can someone give me an overview of the retain, assign, copy and any others I'm missing, that follow the @property directive? What are they doing and why would I want to use one over another?
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How can I get a channel ID from YouTube?
...my channel ID.
I've tried to find my channel ID from my YouTube account, and I failed in every single way.
If anyone have a single tip for me, I would be incredible glad.
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How do I see the extensions loaded by PHP?
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Running php -m will give you all the modules, and php -i will give you a lot more detailed information on what the current configuration.
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