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PL/SQL, how to escape single quote in a string?

...a single quotation mark with two single >quotation marks in both sides. SELECT 'test single quote''' from dual; The output of the above statement would be: test single quote' Simply stating you require an additional single quote character to print a single quote >character. That is if you put ...
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Get nested JSON object with GSON using retrofit

...= new Retrofit.Builder() .baseUrl(url) .addConverterFactory(GsonConverterFactory.create(gson)) .build(); share | improve this answer | ...
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When would you use delegates in C#? [closed]

...ionString = psConnectionString; } public void UseReader( string psSELECT, DataReaderUser readerUser ) { using ( SqlConnection connection = new SqlConnection( _connectionString ) ) try { SqlCommand command = new SqlCommand( psSELECT, connection ); ...
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Remove empty elements from an array in Javascript

...ter method in the first case, calls the Boolean constructor as a function, converting the value, and in the second case, the filter method internally turns the return value of the callback implicitly to Boolean. If you are working with sparse arrays, and you are trying to get rid of the "holes", yo...
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How to match a String against string literals in Rust?

... as_slice is deprecated, you should now use the trait std::convert::AsRef instead: match stringthing.as_ref() { "a" => println!("0"), "b" => println!("1"), "c" => println!("2"), _ => println!("something else!"), } Note that you also have to explicitly h...
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What to use instead of “addPreferencesFromResource” in a PreferenceActivity?

...wer above, after reading an example from Android-er I found you can easily convert your preference activity into a preference fragment. If you have the following activity: public class MyPreferenceActivity extends PreferenceActivity { @Override protected void onCreate(final Bundle savedInst...
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Access-control-allow-origin with multiple domains

...Allow-Origin). Rewrite uses underscores "_" instead of dashes "-" (rewrite converts them to dashes) Explaining the server variable HTTP_ORIGIN : Similarly, in Rewrite you can grab any Request Header using HTTP_ as the prefix. Same rules with the dashes (use underscores "_" instead of dashes "-"). ...
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Is there a concise way to iterate over a stream with indices in Java 8?

... class CollectionUtils { private CollectionUtils() { } /** * Converts an {@link java.util.Iterator} to {@link java.util.stream.Stream}. */ public static <T> Stream<T> iterate(Iterator<? extends T> iterator) { int characteristics = Spliterator.ORDERED ...
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This project references NuGet package(s) that are missing on this computer

...in this snippet you can see where the error message is coming from. I was converting from MSBuild-Integrated Package Restore to Automatic Package Restore (http://docs.nuget.org/docs/workflows/migrating-to-automatic-package-restore) ...
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TypeError: sequence item 0: expected string, int found

... you can convert the integer dataframe into string first and then do the operation e.g. df3['nID']=df3['nID'].astype(str) grp = df3.groupby('userID')['nID'].aggregate(lambda x: '->'.join(tuple(x))) ...