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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?

... approach will use the actual boolean type (and resolve to true and false) if the compiler supports it. (specifically, C++) However, it would be better to check whether C++ is in use (via the __cplusplus macro) and actually use true and false. In a C compiler, this is equivalent to 0 and 1. (note ...
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What is the entry point of swift code execution?

There is no main() method in swift. The program must start the execution from somewhere. So what is the entry point of swift code execution and how is it decided? ...
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Move to another EditText when Soft Keyboard Next is clicked on Android

...oid:maxLines="1" android:ems="10" /> </RelativeLayout> If you want to listen to imeoptions events use a TextView.OnEditorActionListener. editText.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int ac...
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spring boot default H2 jdbc connection (and H2 console)

...ent for an embedded H2 database which spring-boot creates when I don't specify anything in my application.properties and start with mvn spring:run. I can see hibernate JPA creating the tables but if I try to access the h2 console at the URL below the database has no tables. ...
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What is a memory fence?

...nly found in device drivers than application code. The CPU reordering is different from compiler optimisations - although the artefacts can be similar. You need to take separate measures to stop the compiler reordering your instructions if that may cause undesirable behaviour (e.g. use of the volat...
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How can I wait for a thread to finish with .NET?

...ManualResetEvent is a WaitHandle as jrista suggested. One thing to note is if you want to wait for multiple threads: WaitHandle.WaitAll() won't work by default, as it needs an MTA thread. You can get around this by marking your Main() method with MTAThread - however this blocks your message pump and...
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Pretty-print a Map in Java

... sb.append(entry.getValue()); sb.append('"'); if (iter.hasNext()) { sb.append(',').append(' '); } } return sb.toString(); } } Usage: Map<String, String> myMap = new HashMap<String, String>(); System.out.pri...
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Concatenate text files with Windows command line, dropping leading lines

... I would add that if you want to concatenate ALL files you can do copy /b *.txt combined.txt without having to list the files individually. – Phlucious Jun 1 '15 at 18:13 ...
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_DEBUG vs NDEBUG

Which preprocessor define should be used to specify debug sections of code? 6 Answers ...
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How to use find command to find all files with extensions from list?

I need to find all image files from directory (gif, png, jpg, jpeg). 9 Answers 9 ...