大约有 26,000 项符合查询结果(耗时:0.0488秒) [XML]

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How to compute the sum and average of elements in an array?

... well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below. ...
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jQuery Set Select Index

I have an select box: 24 Answers 24 ...
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lexers vs parsers

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How do I restart a WPF application? [duplicate]

How can I restart a WPF Application? In windows Forms I used 8 Answers 8 ...
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AngularJS - Binding radio buttons to models with boolean values

I am having a problem binding radio buttons to an object whose properties have boolean values. I am trying to display exam questions retrieved from a $resource. ...
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What's faster, SELECT DISTINCT or GROUP BY in MySQL?

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Run cron job only if it isn't already running

So I'm trying to set up a cron job as a sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do wha...
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Checking network connection

I want to see if I can access an online API, but for that I need to have Internet access. 21 Answers ...
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Best practices/performance: mixing StringBuilder.append with String.concat

I'm trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this ...
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Bash: Strip trailing linebreak from output

When I execute commands in Bash (or to be specific, wc -l < log.txt ), the output contains a linebreak after it. How do I get rid of it? ...