option-type

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Makefile: ignore prerequisite if does not exist

Is there any way to say that开发者_如何学运维 if prerequisite for the given target doesn\'t exist then ignore that target?[详细]

2022-12-29 06:31 分类：问答
Regex optional match in python fails

tickettypepat = (r\'MIS Notes:.*(//p//)?.*\') retype = re.search(tickettypepat,line) if retype: print retype.group(0)[详细]

2022-12-28 19:34 分类：问答
中国的四大名石窟？

伯明翰王离 2022-03-24 11:31 在中国有四大名石窟，大家可以趁着放假去旅行，接受中国传统文化的熏陶。操作方法01中国的四大名石窟为敦煌莫高窟，天水麦积山，大同云冈，洛阳龙门。02这四大石窟每一处都有自己独[详细]

2022-12-27 20:41 分类：问答
SQL optional parameters through VB.net

I\'ve a document search page with three listboxes that allow multiple selections. They\'re: Category A[详细]

2022-12-26 00:43 分类：问答
Convert a List of Options to an Option of List using Scalaz

I want to transform a List[Option[T]] into a Option[List[T]]. The signature type of the function is def lo2ol[T](lo: List[Option[T]]): Option[List[T]][详细]

2022-12-25 06:13 分类：问答
How to make a parameter optional in WSDL?

I have a WebService API which needs 2 of its parameters to be optional in the WSDL public wsProxy[] Insert(wsProxy[] proxies, string loginname, string password, bool returnNewData)[详细]

2022-12-24 22:26 分类：问答
Are parameters in strings.xml possible? [duplicate]

This question already has answers here: Is it possible to have placeholders in strings.xml for runtime values?[详细]

2022-12-22 17:12 分类：问答
How do I create an F# mutable option type?

I need to create a mutable option<T> type in F#. I\'ve tried writing let x = ref None and subsequently writing开发者_StackOverflow社区[详细]

2022-12-21 20:48 分类：问答
How can I use an optional array argument in a VBA procedure?

I\'ve got a private procedure in a VBA script for MS Access: Private Sub drawLineDiagram(chartSpace As Variant, title As String, caption As String, x_val() As Variant, y_val() As Variant, Optional y_[详细]

2022-12-20 00:27 分类：问答
emacs interactive function with optional numeric prefix

How do I specify a fun开发者_C百科ction which has optional numeric prefix, if not, it prompts for a number?basically how goto-line behaves?[详细]

2022-12-19 22:22 分类：问答