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    What is the best approach in python: multiple OR or IN in if statement? Considering performance and best pratices. if ... ','4']: Thank you. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In a 64 bit VM, will using longs instead of ints do any better in terms of performance given that longs are 64 ... then mask the top 32 bits. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've got text file that contains 1 000 002 numbers in following formation: 123 456 1 2 3 4 5 6 .... ... data in ./test_grz file is correct. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to be able to pass in a list of parameters, and ignore the ones which are NULL. So that the query ... times is a big performance hit. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Coming from a java background, one of the things I am used to is telling the JVM what the maximum heap ... Java blinkers stop me from seeing? See Question&Answers more detail:os...
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    Python 3 appears to be slower in enumerations for a minimum loop than Python 2 by a significant margin, which ... "long" processing runs slower. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm building a image sharing site and would like to know the pros and cons of resizing images on the fly ... any helpful links on the subject. See Question&Answers more detail:os...
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    Let's say I have a a script that iterates over a list of 400 objects. Each object has anywhere from 1 to ... doing it in one bulk operation). See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Without using any other JS frameworks (dojo, jquery, etc), how would I dynamically load Google Analytic's ... dynamically-on-document-load.html See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I was curious about performance of creation of java8 lambda instances against the same anonymous class. (Measurement ... in handling of closure? See Question&Answers more detail:os...
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    Would you please tell me the max limit of no. of threads that i can use in JMeter 2.4 for conducting a ... any difference in terms of result? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm writing an application which reads large arrays of floats and performs some simple operations with them. I' ... anyone elaborate on this? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I know there are many questions here in SO about ways to convert a list of data.frames to a single data.frame using do ... ): [1] tools_2.14.1 > See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    auto a = 10; When compiler knows a is int, at compile time or at run-time? If it deduce type at run-time, will it not affect performance? Thanks See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm totally confused between these 4. What is the difference between ElapsedMilliseconds (long), ElapsedTicks ( ... anything detailed there.. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm putting around 4 million different keys into a Python dictionary. Creating this dictionary takes about 15 minutes ... on different key... See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    SELECT NR_DZIALU, COUNT (NR_DZIALU) AS LICZ_PRAC_DZIALU FROM PRACOWNICY GROUP BY NR_DZIALU HAVING NR_DZIALU = 30 or ... 30 GROUP BY NR_DZIALU See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I found this page describing a number of algorithms for computing the factorial. Unfortunately, the explanations are terse ... my hands on it. See Question&Answers more detail:os...
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    I searched Stack Overflow for the pros/cons of function-like macros v. inline functions. I found the following ... great insight for me!! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When I write a log to file using the standard module logging, will each log be flushed to disk separately? For ... so, will it slow down ? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Given two sorted arrays of numbers, we want to find the pair with the kth largest possible sum. (A pair is ... .It DOESN'T contain the answer. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to know: What is the time complexity of HashMap.containsKey() in java? See Question&Answers more detail:os...
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    I am developing a TCP Proxy to be put in front of a TCP service that should handle between 500 and 1000 ... here is the project source code. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a Python program that works with dictionaries a lot. I have to make copies of dictionaries thousands of ... ? What would be fastest? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a few questions regarding Cache memories used in Multicore CPUs or Multiprocessor systems. (Although not ... processor's cache memory? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Does anyone know a tool for Profiling JavaScript in IE? List available: IE8 (Internet Explorer 8 only) JavaScript Profiler YUI! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is there a way/software to give precise time needed to execute a block of code written in Swift, ... ("(-date_start.timeIntervalSinceNow)") See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I usually use C++ stdlib map whenever I need to store some data associated with a specific type of value ( ... class from the Java API. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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