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When to use reinterpret_cast?
... interpreted at compile time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also.
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Array or List in Java. Which is faster?
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I'm guessing the original poster is coming from a C++/STL background which is causing some confusion. In C++ std::list is a doubly linked list.
In Java [java.util.]List is an implementation-free interface (pure abstract class in C++ terms). List can be a doubly linked list ...
How to count TRUE values in a logical vector
...sum(z). length(z[z==TRUE]) is about 10x slower and table(z)[TRUE] is about 200x slower than sum(z).
Summing up, sum(z) is the fastest to type and to execute.
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Is null reference possible?
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@Default Standards in the [c++] tags should be high. My answer sounded like both acts were one and the same thing :) While dereferencing and getting an lvalue you don't pass around that refers to "no object" could be feasibly, storing it into a referen...
How to build for armv6 and armv7 architectures with iOS 5
...ew.center.x;
p.y=myView.center.y;
// now p=(160,100)
p.y+=100;
// now p =(200,200) (what the heck?)
Maybe I'm have some memory corruption, however, on the armv7 compiler and on iOSSDK < 5.0 it behaves as expected.
Best regards
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Where do I find the definition of size_t?
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Please refer to ISO C(99) standard (from which the C++ standard includes) sections 7.17 and 7.18.3
– Martin York
Jul 13 '09 at 16:50
3
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Linux command (like cat) to read a specified quantity of characters
...ytes. For example, to get the second 100 bytes from a file, read the first 200 with head and use tail to get the last 100:
head -c 200 file | tail -c 100
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Is it worthwile to learn assembly language? [closed]
...re being used is enough to analyze performance, and identify what piece of C++ code was the source of that assembly.
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input type=file show only button
... border: solid transparent;
border-width: 0 0 100px 200px;
opacity: 0.0;
filter: alpha(opacity=0);
-o-transform: translate(250px, -50px) scale(1);
-moz-transform: translate(-300px, 0) scale(4);
direction: ltr;
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Add Text on Image using PIL
...')
img_draw = ImageDraw.Draw(blank_image)
img_draw.rectangle((70, 50, 270, 200), outline='red', fill='blue')
img_draw.text((70, 250), 'Hello World', fill='green')
blank_image.save('drawn_image.jpg')
we create an Image object with the new() method. This returns an Image object with no loaded image....
