大约有 44,100 项符合查询结果（耗时：0.0490秒） [XML]
How to check if PHP array is associative or sequential?
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Check that an email address is valid on iOS [duplicate]
...ing
{
BOOL stricterFilter = NO; // Discussion http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
NSString *stricterFilterString = @"^[A-Z0-9a-z\\._%+-]+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}$";
NSString *laxString = @"^.+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2}[A-Za-z]*$";
NSString *em...
Big-O for Eight Year Olds? [duplicate]
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25 Answers
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Symbolic links and synced folders in Vagrant
...der "virtualbox" do |v|
v.customize ["setextradata", :id, "VBoxInternal2/SharedFoldersEnableSymlinksCreate/v-root", "1"]
end
Additionally, on windows vagrant up needs to be executed in a shell with admin rights.
No workarounds necessary.
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...安装成功postfix（地址在这里http://www.extmail.org/forum/archive/2/0510/563.html）。现在把我安装过程中遇到的问题及解决方法提供给大家，以方便新手。高手就不要看了
说明一下：Q代表安装过程中遇到的问题，或者是日志中出现的...
Split comma-separated strings in a column into separate rows
...ackage (see code below).
The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20 rows are simply repeated 1, 10, 100, 1000, 10000, and 100000 times which give problem sizes of up to 2 million rows.
Benchmark results
The benchmark results show that for s...
Find if variable is divisible by 2
How do I figure out if a variable is divisible by 2? Furthermore I need do a function if it is and do a different function if it is not.
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Where can I get a list of Ansible pre-defined variables?
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203
Argh! From the FAQ:
How do I see a list of all of the ansible_ variables?
Ansible by default ...
Multiprocessing: How to use Pool.map on a function defined in a class?
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edited Jun 29 at 15:46
scriptmonster
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answered A...
pandas: How do I split text in a column into multiple rows?
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