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How to Generate unique file names in C#

...s" is predictable and not thread-safe (as the same 'ticks' can be obtained from multiple 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. ...
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When to use self over $this?

...e Y, it calls Y::foo(). But with self::foo(), X::foo() is always called. From http://www.phpbuilder.com/board/showthread.php?t=10354489: By http://board.phpbuilder.com/member.php?145249-laserlight share | ...
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What is the difference between .*? and .* regular expressions?

... Can you explain or show an example of how the greedy ? differs from the non-greedy ?? ? – AdrianHHH Nov 25 '15 at 15:36 4 ...
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Java FileReader encoding issue

...ader(new FileInputStream(filePath), encoding) and ideally get the encoding from metadata about the file. share | improve this answer | follow | ...
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Implement touch using Python?

... Looks like this is new as of Python 3.4 - pathlib. from pathlib import Path Path('path/to/file.txt').touch() This will create a file.txt at the path. -- Path.touch(mode=0o777, exist_ok=True) Create a file at this given path. If mode is given, it is combined with ...
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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?

...me you go to the "Now Playing" view. However, when you are loading things from a server, you also have to think about latency. If you pack all of your network communication into viewDidLoad or viewWillAppear, they will be executed before the user gets to see the view - possibly resulting a short fr...
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Angular IE Caching issue for $http

All the ajax calls that are sent from the IE are cached by Angular and I get a 304 response for all the subsequent calls. Although the request is the same, the response is not going be the same in my case. I want to disable this cache. I tried adding the cache attribute to $http.get but still it...
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Why is Attributes.IsDefined() missing overloads?

...berInfo element, Type attributeType, bool inherit) and System.Type derives from System.Reflection.MemberInfo. An assembly, which is the top-level container of any .NET assembly has one or more modules. Each module then contains types and types can have members such as properties, methods or even ot...
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Is a colon `:` safe for friendly-URL use?

..." / "'" / "(" / ")" / "*" / "+" / "," / ";" / "=" Apart from these restrictions, the fragment part has no defined structure beyond the one your application gives it. The scheme, http, only says that you don't send this part to the server. EDIT: D'oh! Despite my assertions abo...
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Detect enter press in JTextField

... -1 :( KeyListeners are way too low level from Swing's perspective. Use the API which is intended to be used with Swing :-) – nIcE cOw Aug 20 '13 at 5:47 ...