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get dictionary value by key

... It's as simple as this: String xmlfile = Data_Array["XML_File"]; Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this: string xmlfi...
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How does the Comma Operator work

...’t work since then the compiler just sees the comma operator between two char[], which cannot be overloaded. The code intentionally first calls the operator= and then subsequently operator, for each remaining element. – Konrad Rudolph Oct 9 '11 at 11:04 ...
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“Unknown provider: aProvider

...m invoke in injector.js, recognizable from the "Incorrect injection token" string: The locals parameter (mangled to d in my code) gives a pretty good idea about which object in your source is the problem: A quick grep over our source finds many instances of modalInstance, but going from there,...
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Why do std::shared_ptr work

...ed rather than just a function pointer. But for this case there is no such extra data, it would be sufficient just to store a pointer to an instantiation of a template function, with a template parameter that captures the type through which the pointer must be deleted. [*] logically in the sense th...
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Can I find out the return value before returning while debugging in Eclipse?

... the parent class and do my debugging in the wrapper/child class. It takes extra work though. share | improve this answer | follow | ...
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C# HttpClient 4.5 multipart/form-data upload

... my result looks like this: public static async Task<string> Upload(byte[] image) { using (var client = new HttpClient()) { using (var content = new MultipartFormDataContent("Upload----" + DateTime.Now.ToString(CultureInfo.InvariantCulture))) ...
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Why Collections.sort uses merge sort instead of quicksort?

...ast stable sort that guarantees O(n log n) performance and requires O(n) extra space. In its day (it was written in 1997 by Joshua Bloch), it was a fine choice, but today but we can do much better. Since 2003, Python's list sort has used an algorithm known as timsort (after Tim Peters,...
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How do you manage databases in development, test, and production?

...the old db version or external data source do not use hardcode connection strings in the code ( even not in the config files ) - use in the config files connection string templates , which you do populate dynamically , each reconfiguration of the application_layer which does need recompile is BAD d...
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?

... Easy way to fill the missing values:- filling string columns: when string columns have missing values and NaN values. df['string column name'].fillna(df['string column name'].mode().values[0], inplace = True) filling numeric columns: when the numeric columns have miss...
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What is a JavaBean exactly?

... @worldsayshi - No, it's not required. For example a bean can contain a String; and String is not a bean. (String is immutable, so you cannot create it by calling an empty constructor and a setter.) It seems reasonable that a Serializable object should have Serializable members, unless it somehow...