大约有 36,020 项符合查询结果(耗时:0.0387秒) [XML]

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Random Gaussian Variables

... the standard library of .NET that gives me the functionality to create random variables that follow Gaussian distribution? ...
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What is thread contention?

...e lock. Now, this is platform-specific, but the thread may experience slowdowns even if it never has to wait for the other thread to release the lock! This is because a lock protects some kind of data, and the data itself will often be contended as well. For example, consider a thread that acquire...
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How to export iTerm2 Profiles

... There is a button next to it Save settings to Folder. So all you need to do is save your settings first and load it after you reinstalled your OS. If the Save settings to Folder is disabled, select a folder (e.g. empty) in the Load preferences from a custom folder or URL: text box. In iTerm2 3.3...
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Should composer.lock be committed to version control?

.... If you want to tie the software to given versions of the libraries, then do so explicitly in the configuration. That way the lock will never change. Think of the lock file as an indicator of a dependency management issue which needs to be resolved one way or the other. – meza...
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?

...h gives you descriptions of all TTY devices known to the system. A trimmed down example: # ll /sys/class/tty/ttyUSB* lrwxrwxrwx 1 root root 0 2012-03-28 20:43 /sys/class/tty/ttyUSB0 -> ../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/ttyUSB0/tty/ttyUSB0/ lrwxrwxrwx 1 root root 0 20...
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Multi-line regex support in Vim

... Nice - my life just got a little easier. I'd been doing (.|\n)* – ojrac May 25 '10 at 1:23 2 ...
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How to deploy a war file in Tomcat 7

...mple.war, check your webapps folder for an extracted folder sample. If it doesn't open properly, check the log files (e.g. tomcat/logs/catalina.out) for problems with deployment. share | improve th...
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Android 4.1: How to check notifications are disabled for the application?

...be in-app or in the system bar). If a system notification is displayed, we don't show an in app banner and vice versa. If we can't know whether a notification is displayed or not, we can't manage its life cycle anymore. I guess we have to entirely change the way we manage notifications now... ...
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Type safety: Unchecked cast

...is created hashmap, making it then available to the garbage collector. So, don't do that, use: private Map<String, String> someMap = (HashMap<String, String>)getApplicationContext().getBean("someMap"); Secondly, the compiler is complaining that you cast the object to a HashMap without...
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Can anyone explain this strange behavior with signed floats in C#?

... You don't explain what the significance of "8 bytes wide" is. Would a struct with all 4-byte fields not have the same result? I'm guessing that having a single 4-byte field and an 8-byte fields just triggers IsNotTightlyPacked. ...