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What does principal end of an association means in 1:1 relationship in Entity framework

...ou should use: public class Boo { [Key, ForeignKey("Foo")] public string BooId{get;set;} public Foo Foo{get;set;} } Or fluent mapping modelBuilder.Entity<Foo>() .HasOptional(f => f.Boo) .WithRequired(s => s.Foo); ...
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How to Resize a Bitmap in Android?

I have a bitmap taken of a Base64 String from my remote database, ( encodedImage is the string representing the image with Base64): ...
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Easier way to debug a Windows service

...ne switch for that purpose? Couldn't you just do: public static int Main(string[] args) { if (!Environment.UserInteractive) { // Startup as service. } else { // Startup as application } } That would have the "benefit", that you can just start your app via doubleclick (OK, if ...
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

... Recommended: Declare your variables, for example when you try to append a string to an undefined variable. Or use isset() / !empty() to check if they are declared before referencing them, as in: //Initializing variable $value = ""; //Initialization value; Examples //"" When you want ...
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GSON - Date format

...t seems that you need to define formats for both date and time part or use String-based formatting. For example: Gson gson = new GsonBuilder() .setDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz").create(); or using java.text.DateFormat Gson gson = new GsonBuilder() .setDateFormat(DateFormat.FUL...
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Check if bash variable equals 0 [duplicate]

...an or equal to NUM2. For example if [[ $age > 21 ]] # bad, > is a string comparison operator if [ $age > 21 ] # bad, > is a redirection operator if [[ $age -gt 21 ]] # okay, but fails if $age is not numeric if (( $age > 21 )) # best, $ on age is optional ...
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how to return index of a sorted list? [duplicate]

...ary_list = map(list, zip(*zipped_sorted)) Here's a simple example, using strings to represent your object. Here we use the length of the string as the key for sorting.: str_list = ["banana", "apple", "nom", "Eeeeeeeeeeek"] sec_list = [0.123423, 9.231, 23, 10.11001] temp = sorted(zip(str_list, sec...
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How do you create a static class in C++?

...c : void barA() ; private : void barB() ; static std::string myGlobal ; } ; First, myGlobal is called myGlobal because it is still a global private variable. A look at the CPP source will clarify that: // CPP std::string Foo::myGlobal ; // You MUST declare it in a CPP void F...
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Best way to add comments in erb

..."www.some-url.com"> <input id="data" name="data" value="<%=# "String" %>"> <input type="submit" value="Send"> </form> </body> </html> throws an error – Epigene Feb 26 '15 at 11:14 ...
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How to change a TextView's style at runtime

...gt; </style> </resources> I also have an entries in my "strings.xml" file like this: <color name="highlightedTextViewColor">#000088</color> <color name="normalTextViewColor">#000044</color> Then, in my code I created a ClickListener to trap the tap event...