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C# Error: Parent does not contain a constructor that takes 0 arguments
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Probably a good idea to create a protected parent() { } instead of public.
– Roberto
Aug 17 '15 at 5:51
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Disable copy constructor
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You can make the copy constructor private and provide no implementation:
private:
SymbolIndexer(const SymbolIndexer&);
Or in C++11, explicitly forbid it:
SymbolIndexer(const SymbolIndexer&) = delete;
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if arguments is equal to this string, define a variable like this string
...nderstand, and generally out of reach of the great unwashed without the inside knowledge handed down from master to padwan, it would ensure that there would always be work for those "in the know". this philosophy is evident in the whole "RFC" construct, and flowery language used in man documents, wh...
How to dynamically build a JSON object with Python?
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There is already a solution provided which allows building a dictionary, (or nested dictionary for more complex data), but if you wish to build an object, then perhaps try 'ObjDict'. This gives much more control over the json to be created, for example ret...
Default visibility for C# classes and members (fields, methods, etc.)?
...ially an old one such as this, when you have additional information to provide or you think that the other answers are wrong. Anyway, welcome to Stack Overflow.
– Gorpik
Sep 27 '12 at 14:57
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Getting pids from ps -ef |grep keyword
I want to use ps -ef | grep "keyword" to determine the pid of a daemon process (there is a unique string in output of ps -ef in it).
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How to get a specific version of a file in Mercurial?
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As djc said revert alters a file in place to match a prior revision. If you want it not in place you can use hg cat -r revisionid filename (substituting revisionid and filename of course) which will output the file to stdout, suitabl...
Why use armeabi-v7a code over armeabi code?
...application, but removing the armeabi-v7a binaries is generally not a good idea. If you need to reduce size, you might want to have two separate apks for older (armeabi) and newer (armeabi-v7a) devices.
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How does Task become an int?
...ait works.
Any method declared as async has to have a return type of:
void (avoid if possible)
Task (no result beyond notification of completion/failure)
Task<T> (for a logical result of type T in an async manner)
The compiler does all the appropriate wrapping. The point is that you're as...
How to write PNG image to string with the PIL?
... a wrapper around strings that behaves like a file. The BytesIO object provides the same interface as a file, but saves the contents just in memory:
import io
with io.BytesIO() as output:
image.save(output, format="GIF")
contents = output.getvalue()
You have to explicitly specify the out...