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get dictionary value by key
...ionary<string, string>();
dict.Add("UserID", "test");
string userIDFromDictionaryByKey = dict["UserID"];
If you look at the tip suggestion:
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How to set default values in Rails?
...rectly calling .allocate was about model objects loaded with existing data from the database. (And it's a terrible idea for ActiveRecord to work that way, IMO. But that's beside the point.)
– SFEley
Mar 10 '11 at 7:55
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Understanding colors on Android (six characters)
...green and blue respectively).
So by removing the final 55 you're changing from A=B4, R=55, G=55, B=55 (a mostly transparent grey), to R=B4, G=55, B=55 (a fully-non-transparent dusky pinky).
See the "Color" documentation for the supported formats.
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How do I output an ISO 8601 formatted string in JavaScript?
...ll default to ... the ISO8601 format YYYY-MM-DDTHH:mm:ssZ". Doc: Scroll up from momentjs.com/docs/#/displaying/fromnow
– user193130
Feb 20 '14 at 16:50
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What are the uses of the exec command in shell scripts? [closed]
...ernel, there are a family of them based on execve, which is usually called from C.
exec replaces the current program in the current process, without forking a new process. It is not something you would use in every script you write, but it comes in handy on occasion. Here are some scenarios I hav...
How to determine day of week by passing specific date?
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Days of week start from 1 which is Sunday, so I think Tue would be 3.
– Mohammad Banisaeid
Aug 7 '13 at 12:03
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Can someone explain mappedBy in JPA and Hibernate?
... It is a bi-directional relationship in my objects, so that I can traverse from either direction. mappedBy is the recommended way to go about it, however, I couldn't understand it. Can someone explain:
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Convert a matrix to a 1 dimensional array
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From ?matrix: "A matrix is the special case of a two-dimensional 'array'." You can simply change the dimensions of the matrix/array.
Elts_int <- as.matrix(tmp_int) # read.table returns a data.frame as Brandon noted
dim(...
What does value & 0xff do in Java?
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It sets result to the (unsigned) value resulting from putting the 8 bits of value in the lowest 8 bits of result.
The reason something like this is necessary is that byte is a signed type in Java. If you just wrote:
int result = value;
then result would end up with the ...
How to create the perfect OOP application [closed]
...ing a class hierarchy. There is an abstract base class Item. Book inherits from it. There is an abstract class SalesTax; BasicSalesTax inherits from it. And so on.
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