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Why does the indexing start with zero in 'C'?
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In C, the name of an array is essentially a pointer [but see the comments], a reference to a memory location, and so the expression array[n] refers to a memory location n elements away from the starting element. This means that the index is used as an ...
DDD - the rule that Entities can't access Repositories directly
...ies access aggregate roots. Aggregate roots are entities. The reason for this is separation of concerns and good layering. This doesn't make sense on small projects, but if you're on a large team you want to say, "You access a product through the Product Repository. Product is an aggregate root for ...
Comparison between Mockito vs JMockit - why is Mockito voted better than JMockit? [closed]
...Sep 2019: The only mocking framework supported (by default) by Spring Boot is Mockito. If you use Spring, the answer is quite obvious.
I'd say the competition is between JMockit and PowerMock, then Mockito.
I'd leave "plain" jMock and EasyMock because they use only proxy & CGLIB and do not ...
Determine if variable is defined in Python [duplicate]
...er a variable has been set at a particular place in the code at runtime? This is not always obvious because (1) the variable could be conditionally set, and (2) the variable could be conditionally deleted. I'm looking for something like defined() in Perl or isset() in PHP or defined? in Ruby.
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Entity Framework: There is already an open DataReader associated with this Command
I am using Entity Framework and occasionally i will get this error.
17 Answers
17
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Javascript calculate the day of the year (1 - 366)
...log('Day of year: ' + day);
Edit: The code above will fail when now is a date in between march 26th and October 29th andnow's time is before 1AM (eg 00:59:59). This is due to the code not taking daylight savings time into account. You should compensate for this:
var now = new Date();
v...
Understanding prototypal inheritance in JavaScript
...e two blocks differ in a way that in the first example Drive() will only exist once while at the second approach Drive() will exist per instance (Every time you do new Car() the function drive() will be created again). Or different said the first uses the prototype to store the function and the seco...
How do I replace NA values with zeros in an R dataframe?
... 3 9 10 1 9 9 10 5 3 3
10 4 2 2 5 NA 9 7 2 5 5
> d[is.na(d)] <- 0
> d
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 0 3 7 6 6 10 6 5
2 9 8 9 5 10 0 2 1 7 2
3 1 1 6 3 6 0 1 4 1 6
4 0 4 0 7 10 2 0 4 1 8
5 1 2 4 0 2 6 2 6 7...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注IT技能提升
...。
Download Grid Control Source and Demo - 311.9 KB
Preface
This grid is the work of thousands of hours of squinting at pixels, hunting memory leaks, adding new features, fixing new bugs and beating the code by force of will into a form that is as feature rich and useable as something of...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注IT技能提升
...。
Download Grid Control Source and Demo - 311.9 KB
Preface
This grid is the work of thousands of hours of squinting at pixels, hunting memory leaks, adding new features, fixing new bugs and beating the code by force of will into a form that is as feature rich and useable as something of...