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Why does Math.floor return a double?

...he value with its fractional part truncated. It may well be quite a bit smaller than that. – Jim Garrison Sep 5 '16 at 20:10 add a comment  |  ...
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How to implement a confirmation (yes/no) DialogPreference?

...t. new AlertDialog.Builder(this) .setTitle("Title") .setMessage("Do you really want to whatever?") .setIcon(android.R.drawable.ic_dialog_alert) .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { ...
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Convert HTML to PDF in .NET

...e wkhtmltopdf solutions on my project and had a bunch of hurdles. I personally would avoid using wkhtmltopdf - based solutions on Hosted Enterprise applications for the following reasons. First of all wkhtmltopdf is C++ implemented not C#, and you will experience various problems embedding it wit...
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How large should my recv buffer be when calling recv in the socket library

...w how big to make the buffer passed to recv()? SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interactive one just pick a size that can hold the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is tran...
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UIView frame, bounds and center

...ed on Stanford CS193p course. Credits goes to @Rhubarb. Using the frame allows you to reposition and/or resize a view within its superview. Usually can be used from a superview, for example, when you create a specific subview. For example: // view1 will be positioned at x = 30, y = 20 starting t...
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Is Java really slow?

...my opinion, this is the main reason Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (includ...
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Is AsyncTask really conceptually flawed or am I just missing something?

...p with different solutions to it, which I am not happy with since they are all massive hacks. I still cannot believe that a class that flawed in design made it into the framework and no-one is talking about it, so I guess I just must be missing something. ...
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Fastest way to check if a string is JSON in PHP?

I need a really, really fast method of checking if a string is JSON or not. I feel like this is not the best way: 30 Answer...
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C++ STL Vectors: Get iterator from index?

... Generally, you can use the same arithmetic with STL iterators than with pointers. They are designed to be exchangeable when using STL algorithms. – Vincent Robert Mar 22 '09 at 21:07 ...
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Is there any way to close a StreamWriter without closing its BaseStream?

My root problem is that when using calls Dispose on a StreamWriter , it also disposes the BaseStream (same problem with Close ). ...