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SharedPreferences.onSharedPreferenceChangeListener not being called consistently
... is a sneaky one. SharedPreferences keeps listeners in a WeakHashMap. This means that you cannot use an anonymous inner class as a listener, as it will become the target of garbage collection as soon as you leave the current scope. It will work at first, but eventually, will get garbage collected, r...
Controlling fps with requestAnimationFrame?
...ing to lower the delay would be inaccurate as well. JS in browsers is not meant to be so accurate.
– pdepmcp
Mar 11 '19 at 22:23
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AVAudioPlayer throws breakpoint in debug mode
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@Mugunth Does this mean that the framework is responding to and correcting internal errors? Are you aware of any other documentation on it? I can't find much online which suggests to me that this may be down to programmer error...
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
...ne if you have a pending change on the item. I use the following codes: 0 means no changes, 1 means it's queued to be synchronized to the server, and 2 means it's a temporary object and can be purged.
is_deleted - Add this to the server and core data model. Delete event shouldn't actually delete a...
Styling HTML email for Gmail
...ent that didn't support style (reference, until they update anyway). That means you can almost safely stop putting styles inline. Some of the more obscure clients may still need them.
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What is “point free” style (in Functional Programming)?
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Don't you mean sum (x:xs) ... instead of sum sum (x:xs) ... ?
– Ehtesh Choudhury
Sep 15 '11 at 4:39
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Haml: Control whitespace around text
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I would remark that   have a special meaning to it, it's not an ordinary whitespace - it's non-breaking whitespace, which means that during word-wrapping browser would do everything to keep words tied with   together and this is not always what you want...
Why is list initialization (using curly braces) better than the alternatives?
... braces whenever possible, but instead make it dependent on the conceptual meaning:
If the object I'm creating conceptually holds the values I'm passing in the constructor (e.g. containers, POD structs, atomics, smart pointers etc.), then I'm using the braces.
If the constructor resembles a normal...
How to get progress from XMLHttpRequest
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@ChrisChilvers That means a PHP file may not be correctly calculated, right?
– Hydroper
Aug 20 '16 at 14:25
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What does T&& (double ampersand) mean in C++11?
...nt's rvalue/lvalue-ness is preserved when passed to T's constructor. That means that if factory is called with an rvalue, T's constructor is called with an rvalue. If factory is called with an lvalue, T's constructor is called with an lvalue. The improved factory function works because of one spe...