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JavaScript for detecting browser language preference [duplicate]

... I think the main problem here is that the browser settings don't actually affect the navigator.language property that is obtained via javascript. What they do affect is the HTTP 'Accept-Language' header, but it appears this value is not available through javascript at all. (Probably why @and...
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Catching multiple exception types in one catch block

...fining the exceptions). Even given that there are exceptions you want to "fall through", you should still be able to define a hierarchy to match your needs. abstract class MyExceptions extends Exception {} abstract class LetterError extends MyExceptions {} class AError extends LetterError {} cla...
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AWS S3 copy files and folders between two buckets

...rows the following error A client error (PermanentRedirect) occurred when calling the ListObjects operation: The bucket you are attempting to access must be addressed using the specified endpoint. Please send all future requests to this endpoint. – Giovanni Bitliner ...
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Dynamically replace the contents of a C# method?

What I want to do is change how a C# method executes when it is called, so that I can write something like this: 9 Answers ...
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How can I manually generate a .pyc file from a .py file

...n not depend on Python's "import" statement to generate .pyc file automatically 8 Answers ...
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Can Powershell Run Commands in Parallel?

...o do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a script out and running thos...
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Create a “with” block on several context managers? [duplicate]

...rite: with A() as X, B() as Y, C() as Z: do_something() This is normally the best method to use, but if you have an unknown-length list of context managers you'll need one of the below methods. In Python 3.3, you can enter an unknown-length list of context managers by using contextlib.Exit...
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PHP: exceptions vs errors?

... Exceptions are thrown - they are intended to be caught. Errors are generally unrecoverable. Lets say for instance - you have a block of code that will insert a row into a database. It is possible that this call fails (duplicate ID) - you will want to have a "Error" which in this case is an "Exc...
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Most efficient way to remove special characters from string

I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.). ...
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搭建高可用mongodb集群(二)—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...

...(config); #输出成功 { "info" : "Config now saved locally. Should come online in about a minute.", "ok" : 1 } #查看日志,副本集启动成功后,138为主节点PRIMARY,136、137为副本节点SECONDARY。 Sun Dec 29 20:26:13.842 [conn3] replSet repl...