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How does delete[] “know” the size of the operand array?

...compiler magic. It can break with non-trivial alignment restrictions on at least one major platform. You can think about possible implementations by realizing that delete[] is only defined for pointers returned by new[], which may not be the same pointer as returned by operator new[]. One implement...
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How to convert an array of strings to an array of floats in numpy?

...r='C'" is not needed here since this is a 1-dim array. This also works (at least in Python 3.6.9): b=np.array(a, dtype=float) – DavidS Sep 21 at 1:36 add a comment ...
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Where to find Java JDK Source Code? [closed]

... Oracle JDK8 (1.8.60 at least) had the src.zip for me on Windows. Eclipse didn't pick it up by default however. – milletron Sep 12 '15 at 21:35 ...
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Position a CSS background image x pixels from the right?

...s: Make sure your background image matches the size of the container (at least in width) and set background-repeat: repeat or repeat-x if only the width is equalized. Then, having something appear x pixels from the right is as simple as background-position: -5px 0px. Using percentages for backgrou...
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When to use DataContract and DataMember attributes?

... Can any one tell me what is the actual use of DataContract? - I think at least part of the question is answered. – IAbstract May 9 '11 at 18:25 ...
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HTML tag affecting line height, how to make it consistent?

...n to the regular font, the line height of the superscript and last but not least what is the bottom of the superscript aligning with... If you set... the line height of regular text to be in a "tunnel band" (that's what I call it) of 135% then regular text (the 100%) gets white padded by 35% of more...
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How can I check if a single character appears in a string?

... To check if something does not exist in a string, you at least need to look at each character in a string. So even if you don't explicitly use a loop, it'll have the same efficiency. That being said, you can try using str.contains(""+char). ...
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Match two strings in one line with grep

... At least on OS-X and FreeBSD it does work! My guess is you're on something else (which the OP didn't define - hope you didn't downvote a correct answer to many users except you). – Leo Jul ...
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Replace all 0 values to NA

... data frame in the sense of completely removing all the rows containing at least one zero. When using, e.g., var, cov, or cor, that is actually equivalent to first replacing zeroes with NA and setting the value of use as "complete.obs". Typically, however, this is unsatisfactory as it leads to extra...
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What is the difference between Java RMI and RPC?

... yeah, what I meant is that RPC originated in the C/Unix world (at least the most common RPC implementation, ONCRPC) and as such it is modeled after that computation model; of course nothing prevents to implement it on top of any other programming language – fortran ...