大约有 42,000 项符合查询结果(耗时:0.0341秒) [XML]

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How do I keep the screen on in my App? [duplicate]

For my Android app I never want the phone to lock or the back light to turn off 11 Answers ...
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Java string to date conversion

... That's the hard way, and those java.util.Date setter methods have been deprecated since Java 1.1 (1997). Simply format the date using SimpleDateFormat using a format pattern matching the input string. In your specific case of "January 2, 2010" as...
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How do I determine k when using k-means clustering?

I've been studying about k-means clustering , and one thing that's not clear is how you choose the value of k. Is it just a matter of trial and error, or is there more to it? ...
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rsync error: failed to set times on “/foo/bar”: Operation not permitted

I'm getting a confusing error from rsync and the initial things I'm finding from web searches (as well as all the usual chmod'ing) are not solving it: ...
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Quickly create large file on a Windows system

...m. By large I'm thinking 5 GB. The content doesn't matter. A built-in command or short batch file would be preferable, but I'll accept an application if there are no other easy ways. ...
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How do I find out what keystore my JVM is using?

...les---> JAVA_HOME Your server startup batch files. In your import command -keystore cacerts (give full path to the above JRE here instead of just saying cacerts). share | improve this answer ...
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What Ruby IDE do you prefer? [closed]

I've been using Eclipse with RDT (not RadRails) a lot lately, and I'm quite happy with it, but I'm wondering if you guys know any decent alternatives. I know NetBeans also supports Ruby these days, but I'm not sure what it has to offer over Eclipse. ...
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Running Composer returns: “Could not open input file: composer.phar”

I am new to symfony2 and reading symblog . In third chapter while trying with data-fixtures I tried the command: 36 Answe...
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Remove all special characters from a string [duplicate]

...with URLs, I want to be able to convert titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens. ...
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Android - How To Override the “Back” button so it doesn't Finish() my Activity?

...ng a service run in the background, make sure to look at startForeground() and make sure to have an ongoing notification or else Android will kill your service if it needs to free memory. @Override public void onBackPressed() { Log.d("CDA", "onBackPressed Called"); Intent setIntent = new Inte...