performance

相关标签：javascript jquery android 多少钱 iPhone

Is performance of "Math.abs()" better than expression with "if"?

I have expression: Double getAbs(Double value){ return value> 0 ? value: value== 0 ? null : -value; }[详细]

2023-04-12 22:02 分类：问答
Scrolling SWT Table is slow when running with exe4J

I have an SWT desktop app which is distributed using install4j and runs under exe4j. The app contains a table which displays a list of documents to be downloaded from a server. A thread handles the d[详细]

2023-04-12 21:55 分类：问答
looking for some tools that show the complexity of my methods [closed]

Closed. This question is seeking recommendations for books, tools, software libraries, and more. It does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-04-12 20:55 分类：问答
Firefox JavaScript arithmetics performance oddity

Please run this test on firefox. http://jsperf.com/s开发者_JAVA技巧tatic-arithmetic How would you explain the results?[详细]

2023-04-12 20:20 分类：问答
How to optimize html, css runtime on server for better loading time?

Many times I have read on many question\'s answers that we don\'t need to remove white-space and comments from html, css and js files to reduce file size manually We can do this automatically on serve[详细]

2023-04-12 19:42 分类：问答
Are there ways of increasing the execution speed of mysqli->prepare?

My tests are running pretty slow... I\'ve got under 100 tests, but it still takes over 10 seconds开发者_开发百科 to run on a fast machine. I tried disabling code coverage, and using caching for the co[详细]

2023-04-12 19:15 分类：问答
OnMouseMove does not fire on canvas in WPF

I have done my custom chart control and I want to draw a simple cross following the cursor. The chart is implemented as a PolyLine over a Canvas and I\'m drawing two lines changing their coordinates a[详细]

2023-04-12 18:57 分类：问答
Cost of a query in/dependent of amount of data

Could you please tell me whether the cost of a query is dependent on the amount of data available in the databas开发者_如何学Goe at that time?[详细]

2023-04-12 18:49 分类：问答
Data structure with O(1) insertion time and O(log m) lookup?

Backstory (skip to second-to-last paragraph for data structure part): I\'m working on a compression algorithm (of the LZ77 variety). The algorithm boils down to finding the longest match between a giv[详细]

2023-04-12 18:48 分类：问答
Objective-C: most efficient way to map from number to according NSRange in NSDictionary

I\'ve got a lot of objects with according ranges: Object1 => 0 - 23 Object2开发者_如何学Python => 24 - 84[详细]

2023-04-12 18:02 分类：问答