大约有 31,500 项符合查询结果(耗时:0.0240秒) [XML]

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Get current directory name (without full path) in a Bash script

... No need for basename, and especially no need for a subshell running pwd (which adds an extra, and expensive, fork operation); the shell can do this internally using parameter expansion: result=${PWD##*/} # to assign to a variable printf '%s\n' "$...
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How to view corresponding SQL query of the Django ORM's queryset?

... You also can use python logging to log all queries generated by Django. Just add this to your settings file. LOGGING = { 'disable_existing_loggers': False, 'version': 1, 'handlers': { 'console': { # logging handler that outputs log...
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Understanding how recursive functions work

...mming question which I have just not been able to grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it. ...
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How to re-create database for Entity Framework?

...ed, if so, right click and delete. 2 )Go to Solution Explorer, click show All Files icon. 3) Go to App_Data, right click and delete all ".mdf" files for this project. 4) Delete Migrations folder by right click and delete. 5) Go to SQL Server Management Studio, make sure the DB for this project i...
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Listing only directories using ls in Bash?

... */ is a pattern that matches all of the subdirectories in the current directory (* would match all files and subdirectories; the / restricts it to directories). Similarly, to list all subdirectories under /home/alice/Documents, use ls -d /home/alice/Docu...
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ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]

...vileges: CREATE USER 'root'@'ip_address' IDENTIFIED BY 'some_pass'; GRANT ALL PRIVILEGES ON *.* TO 'root'@'ip_address'; If you see %, well then, there's another problem altogether as that is "any remote source". If however you do want any/all systems to connect via root, use the % wildcard to gra...
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How to concatenate a std::string and an int?

I thought this would be really simple but it's presenting some difficulties. If I have 23 Answers ...
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Detecting WPF Validation Errors

... This post was extremely helpful. Thanks to all who contributed. Here is a LINQ version that you will either love or hate. private void CanExecute(object sender, CanExecuteRoutedEventArgs e) { e.CanExecute = IsValid(sender as DependencyObject); } private bool IsV...
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Omitting all xsi and xsd namespaces when serializing an object in .NET?

... Also, this doesn't remove all xml namespaces, as the question asked. It removes only the xsi and xsd namespaces, as mentioned in the question stackoverflow.com/questions/258960, which is also cited in this question. – Cheeso ...
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Iterating over all the keys of a map

Is there a way to get a list of all the keys in a Go language map? The number of elements is given by len() , but if I have a map like: ...