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I can’t find the Android keytool

... Got it: C:\Program Files\Java\jdk1.6.0_14\bin Thanks – Tim Jun 8 '10 at 15:05 5 ...
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When to use .First and when to use .FirstOrDefault with LINQ?

...lements, if the sequence is initially empty. – SPIRiT_1984 May 16 '12 at 7:12 3 @RoyiNamir, yes i...
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How to remove a field from params[:something]

...lue for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model. ...
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How to rethrow InnerException without losing stack trace in C#?

... ObjectManager calls SetObjectData // voila, e is unmodified save for _remoteStackTraceString } This wastes a lot of cycles compared to calling InternalPreserveStackTrace via cached delegate, but has the advantage of relying only on public functionality. Here are a couple of common usage patt...
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Hidden Features of C#? [closed]

...to automagically instantiate collections for me. private IList<Foo> _foo; public IList<Foo> ListOfFoo { get { return _foo ?? (_foo = new List<Foo>()); } } share ...
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Why charset names are not constants?

... edited Sep 10 '13 at 13:59 Mr_and_Mrs_D 25.3k2929 gold badges149149 silver badges304304 bronze badges answered Nov 5 '09 at 22:43 ...
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Date vs DateTime

...portion of the value. public static void Main() { System.DateTime _Now = DateAndTime.Now; Console.WriteLine("The Date and Time is " + _Now); //will return the date and time Console.WriteLine("The Date Only is " + _Now.Date); //will return only the date Console.Write("Pre...
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How can I read a whole file into a string variable

...copy them all into the same bytes buffer. buf := bytes.NewBuffer(nil) for _, filename := range filenames { f, _ := os.Open(filename) // Error handling elided for brevity. io.Copy(buf, f) // Error handling elided for brevity. f.Close() } s := string(buf.Bytes()) This opens each fil...
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Can't find the 'libpq-fe.h header when trying to install pg gem

...all pg -- --with-pg-config=/opt/local/lib/postgresql[version number]/bin/pg_config For OpenSuse: zypper in postgresql-devel For ArchLinux: pacman -S postgresql-libs share | improve this answer ...
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How do Python functions handle the types of the parameters that you pass in?

...rator that throws the TypeErrors for you (the information is stored in the __annotations__ attribute of the function object). – erb Feb 22 '16 at 7:29 ...