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Most efficient way to reverse a numpy array

... When you create reversed_arr you are creating a view into the original array. You can then change the original array, and the view will update to reflect the changes. Are you re-creating the view more often than you need to? You should be able to...
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Merge and interleave two arrays in Ruby

... that Chris wants to interleave the elements, not concatenate them. Essentially, he wants [a, s].transpose except that the two rows don't conform, leaving #zip as the obvious solution. And I don't believe he meant that he really cared whether a was mutated ... I don't think he was commenting on a mu...
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How do I get the type of a variable?

... I totally disagree. Java, C#, PHP, Perl, Python and so on were designed in C and C++ and they are not caterpillars. (When you create an database application to open variable tables from 'unknown' databases you need to control fiel...
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What does T&& (double ampersand) mean in C++11?

...e in the draft C++11 standard, but are not true for the final one! Specifically, it says at various points that rvalue references can bind to lvalues, which was once true, but was changed.(e.g. int x; int &&rrx = x; no longer compiles in GCC) – drewbarbs Jul 13 '14 at 16:12 The biggest d...
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filtering NSArray into a new NSArray in Objective-C

... edited Jan 17 '18 at 6:45 Niall Kiddle 1,22911 gold badge1010 silver badges2929 bronze badges answered Sep 21 '08 at 5:43 ...
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What would be C++ limitations compared C language? [closed]

...uestion which asks about a generics library for C - the questioner specifically states that they do not want to use C++. C is a complete programming language. C is not an arbitrary subset of C++. C is not a subset of C++ at all. This is valid C: foo_t* foo = malloc ( sizeof(foo_t) ); To make ...
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Secure random token in Node.js

...oding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is ...
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?

... With JDK 1.7 installed, keytool always outputs by default SHA1 fingerprint, not MD5. you can get the MD5 Certificate by adding -v option. use the following code:- C:\Program Files\Java\jdk1.7.0\bin>keytool -v -list -alias androiddebugke...
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How to write a caption under an image?

...line-block; } figcaption { margin: 10px 0 0 0; font-variant: small-caps; font-family: Arial; font-weight: bold; color: #bb3333; } figure { padding: 5px; } img:hover { transform: scale(1.1); -ms-transform: scale(1.1); -webkit-transform: scale(1.1); ...
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Most lightweight way to create a random string and a random hexadecimal number

...165037870407104 9.0292739868164062 5.2836320400238037 t3 only makes one call to the random module, doesn't have to build or read a list, and then does the rest with string formatting. share | impr...