大约有 47,000 项符合查询结果(耗时:0.0409秒) [XML]

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How to optimize for-comprehensions and loops in Scala?

...s Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?" ...
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How to use clock() in C++

How do I call clock() in C++ ? 7 Answers 7 ...
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How to embed a text file in a .NET assembly?

... Ah-hah, all I needed to do was add a My. to the front (i.e. My.Resources.solutions) Simples! – Spedge Jun 13 '09 at 14:40 ...
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Longest line in a file

...ing for a simple way to find the length of the longest line in a file. Ideally, it would be a simple bash shell command instead of a script. ...
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java.util.regex - importance of Pattern.compile()?

... The compile() method is always called at some point; it's the only way to create a Pattern object. So the question is really, why should you call it explicitly? One reason is that you need a reference to the Matcher object so you can use its methods, like...
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Identify if a string is a number

...ld use double.TryParse, since we want to know if it represents a number at all. – John Gietzen May 21 '09 at 18:31 6 ...
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How to schedule a function to run every hour on Flask?

...om apscheduler.schedulers.background import BackgroundScheduler def print_date_time(): print(time.strftime("%A, %d. %B %Y %I:%M:%S %p")) scheduler = BackgroundScheduler() scheduler.add_job(func=print_date_time, trigger="interval", seconds=3) scheduler.start() # Shut down the scheduler when ...
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What does character set and collation mean exactly?

...a symbol, the number 0 is the encoding for 'A', and the combination of all four letters and their encodings is a character set. Now, suppose that we want to compare two string values, 'A' and 'B'. The simplest way to do this is to look at the encodings: 0 for 'A' and 1 for 'B'. Be...
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How can I use Spring Security without sessions?

...n block these assets on the first load because "the URL contained a potentially malicious String ';'". – workerjoe Mar 5 at 17:36 ...
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Build Eclipse Java Project from Command Line

...ore.aptBuild It uses the jdt apt plugin to build your workspace automatically. This is also known as a 'Headless Build'. Damn hard to figure out. If you're not using a win32 exe, you can try this: java -cp startup.jar -noSplash -data "D:\Source\MyProject\workspace" -application org.eclipse.jdt....