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explicit casting from super class to subclass
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By using a cast you're essentially telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog."
Since the animal isn...
Angularjs loading screen on ajax request
... });
}
};
}]);
With this directive, all you need to do is to give any loading animation element an 'loading' attribute:
<div class="loading-spiner-holder" data-loading ><div class="loading-spiner"><img src="..." /></div></div>
Y...
How to get current time with jQuery
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@NegativeZero A really useful (if not essential) suggestion. Unfortunately it didn't work for me on Firefox (I didn't test on other browsers). However, rewriting it as String(dt.getMinutes()).padStart(2, '0') works for me.
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Changing variable names in Vim
... +1 very good vimgineering (I think I just coined a new term). Note: I actually needed to press colon (:) twice. The first time I pressed it, I saw :'<,'>. If I just typed s/ from there it didn't work; I had to type another colon before the s/.
– Kelvin
M...
java.net.SocketException: Connection reset
... connection, in a way which I will not document here. It is rare, and generally incorrect, for application software to do this, but it is not unknown for commercial software.
More commonly, it is caused by writing to a connection that the other end has already closed normally. In other words an appl...
How do I redirect output to a variable in shell? [duplicate]
...ptures the output of a command, but it does not use a redirect. If you actually need to use a redirect because of a more complex need, See my answer. Google brought you here, right? Why go somewhere else to find the answer you searched for?
– Bruno Bronosky
Aug...
How to sort git tags by version string order of form rc-X.Y.Z.W?
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you can use homebrew or macports to install the gnu version of sort. brew install gsort then you can modify the line above to git tag -l | gsort -V and it should work for you.
– Goran
Feb 24 '14 at 13:16
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Missing return statement in a non-void method compiles
... the compiler even warn about returning something? Or why would a language allow us to have a non-void method having an infinite loop and not returning anything?
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Is there a splice method for strings?
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You can add this globally with: String.prototype.splice = function (index, count, add) { return this.slice(0, index) + (add || "") + this.slice(index + count); } Just keep in mind it doesn't work exactly the same as the array sp...
Usage of forceLayout(), requestLayout() and invalidate()
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I often see requestLayout being called directly after invalidate is called, I even see that happening in Android source code for things like TextView, but according to this diagram doing so is redundant, right? So is there any purpose for doing that?
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