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How to put multiple statements in one line?

...pproximate what you want. As for the try ... except thing: It would be totally useless without the except. try says "I want to run this code, but it might throw an exception". If you don't care about the exception, leave away the try. But as soon as you put it in, you're saying "I want to handle a ...
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What is the fastest integer division supporting division by zero no matter what the result is?

...x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assembly: .globl f .type f, @function f: pushl %ebp xorl %eax, %eax movl %esp, %ebp movl 12(%...
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How to deal with cyclic dependencies in Node.js

... While node.js does allow circular require dependencies, as you've found it can be pretty messy and you're probably better off restructuring your code to not need it. Maybe create a third class that uses the other two to accomplish what you nee...
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PreparedStatement IN clause alternatives?

... load by retrieving all possible matches from a loaded page. Tablescans or index scans may be performed once instead of once per value. Overhead for inserting values can be reduced with batch operations and may be less than several queries. – James Schek Oct 9 ...
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Get nodes where child node contains an attribute

... while((i=ap.evalXPath())!=-1){ System.out.println("index ==>"+i); } /*if (vn.endsWith(i, "< test")){ System.out.println(" good "); }else System.out.println(" bad ");*/ } } } ...
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Git diff against a stash

...nspect them. If you don't want them at the moment throw them (the current index/working folder changes) away. In full that's git stash apply git diff git reset git checkout share | improve this ...
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What are naming conventions for MongoDB?

... Keep'em short: Optimizing Storage of Small Objects, SERVER-863. Silly but true. I guess pretty much the same rules that apply to relation databases should apply here. And after so many decades there is still no agreement whether RDBMS tables should be named singul...
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Best way to merge two maps and sum the values of same key?

...mutable.Map[Int,Int] = Map(1 -> 109, 3 -> 300, 2 -> 20) Specifically, the binary operator for Map[K, V] combines the keys of the maps, folding V's semigroup operator over any duplicate values. The standard semigroup for Int uses the addition operator, so you get the sum of values for eac...
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How can I profile Python code line-by-line?

... can anyone show how to actually use this library? The readme teaches how to install, and answers various FAQs, but doesn't mention how to use it after a pip install.. – cryanbhu Jul 25 '18 at 3:28 ...
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What are Flask Blueprints, exactly?

...he string mold in Blueprint("mold", __name__) – Codevalley Aug 7 '17 at 6:48 8 ...