大约有 18,000 项符合查询结果(耗时:0.0448秒) [XML]

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Convert float to double without losing precision

I have a primitive float and I need as a primitive double. Simply casting the float to double gives me weird extra precision. For example: ...
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How to run a function when the page is loaded?

I want to run a function when the page is loaded, but I don’t want to use it in the <body> tag. 8 Answers ...
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Python: Making a beep noise

I'm trying to get the program to give me a beeping noise. I'm on a windows machine. I've looked at http://docs.python.org/library/winsound.html ...
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Split Java String by New Line

I'm trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I also tried by \r\n|\r|n and many other combination of regexes. Code: ...
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The tilde operator in Python

What's the usage of the tilde operator in Python? 7 Answers 7 ...
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How do I tell Spring Boot which main class to use for the executable jar?

My project has more than one class with a main method. How do I tell the Spring Boot Maven plugin which of the classes it should use as the main class? ...
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How to use UIVisualEffectView to Blur Image?

Could someone give a small example of applying the blur to an image? I've been trying to figure out the code for a while now :( still new at obj c! ...
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How to get an MD5 checksum in PowerShell

I would like to calculate an MD5 checksum of some content. How do I do this in PowerShell? 17 Answers ...
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Google Chrome form autofill and its yellow background

I have design problem with Google Chrome and its form autofill function. If Chrome remembers some login/password it changes a background color to a yellow one. ...
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How do I determine if a port is open on a Windows server? [closed]

I'm trying to install a site under an alternative port on a server, but the port may be closed by a firewall. Is there a way to ping out or in, on a specific port, to see if it is open? ...