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How to Generate unique file names in C#

...le threads/processes). This makes it not suitable for temp filename generation. Generating X..1..N may be suitable for user-facing tasks (ie. copy in Explorer), but is dubious for server work. – user2864740 May 24 '18 at 16:57 ...
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为AppInventor2开发拓展(Extension) · App Inventor 2 中文网

...文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
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Is it possible to modify variable in python that is in outer, but not global, scope?

... The nonlocal statement causes the listed identifiers to refer to previously bound variables in the nearest enclosing scope. This is important because the default behavior for binding is to search the local namespace first. The statement allows encapsulated code to rebind variables outsid...
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PHP: How to remove all non printable characters in a string?

...es UTF8 characters fine; but it strips non-UTF8 "special" characters; like ç, ü and ö. '/[\x00-\x1F\x80-\xC0]/u'leaves them intact; but also division (F7) and multiplication (D7) sign. – Hazar May 9 '12 at 11:11 ...
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How to get ERD diagram for an existing database?

... We used DBVisualizer for that. Description: The references graph is a great feature as it automatically renders all primary/foreign key mappings (also called referential integrity constraints) in a graph style. The table nodes and relations are layed out automatic...
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How to check if a query string value is present via JavaScript?

...wered Jun 12 '14 at 8:34 HumppakäräjätHumppakäräjät 92811 gold badge1010 silver badges1616 bronze badges ...
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Read and write a String from text file

... For reading and writing you should use a location that is writeable, for example documents directory. The following code shows how to read and write a simple string. You can test it on a playground. Swift 3.x - 5.x let file = "file.txt" //this is the file. we will writ...
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iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?

... I found a solution which works, although it is a bit ugly. It also won't work in every situation, but it works for me. Since I'm adapting the size of the user interface to the iPad's window size, the user is normally unable to scroll. In ot...
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MySQL: determine which database is selected?

...al table. en.wikipedia.org/wiki/DUAL_table – Jan Thomä Nov 11 '11 at 16:03 12 ...
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Setting the correct encoding when piping stdout in Python

...cause Python encodes the output to whatever encoding your terminal application is using. If you are piping you must encode it yourself. A rule of thumb is: Always use Unicode internally. Decode what you receive, and encode what you send. # -*- coding: utf-8 -*- print u"åäö".encode('utf-8') An...