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ICollection Vs List in Entity Framework
...I went head first in to designing a few Entity Framework applications. I really didn't read that much documentation and I feel like I am suffering for it now.
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Does const mean thread-safe in C++11?
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[17.6.5.9/1]
This section specifies requirements that implementations shall meet to prevent data races (1.10). Every standard library function shall meet each requirement unless otherwise specified. Implementations may prevent data races in cases other than those specified below.
[17.6.5.9/3]
A C...
What's the proper value for a checked attribute of an HTML checkbox?
We all know how to form a checkbox input in HTML:
8 Answers
8
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What is the difference between ? and Object in Java generics?
...is right way to go to use ResponseEntity<?> on controller level for all my controller functions?
– Irakli
Nov 25 '16 at 7:38
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Adding external library in Android studio
...nspecting.... But there are docs available : developer.android.com/sdk/installing/studio-build.html
– malcubierre
Sep 2 '14 at 6:28
26
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C# loop - break vs. continue
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A really easy way to understand this is to place the word "loop" after each of the keywords. The terms now make sense if they are just read like everyday phrases.
break loop - looping is broken and stops.
continue loop - loop ...
How to request a random row in SQL?
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-1 for relying on order by rand() or equivalents in all dbs :|. also mentioned here.
– AD7six
May 26 '14 at 9:27
21
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How does HashSet compare elements for equality?
...the IEqualityComparer<T>.GetHashCode to find the hash code, then for all elements with the same hash code, it will use IEqualityComparer<T>.Equals to compare for actual equality.
That means you have two options:
Pass a custom IEqualityComparer<T> into the constructor. This is th...
Add a prefix string to beginning of each line
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You can use Vim in Ex mode:
ex -sc '%s/^/prefix/|x' file
% select all lines
s replace
x save and close
share
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The difference between try/catch/throw and try/catch(e)/throw e
...he method containing that try-catch block.
Which one should you use? It really depends on each case.
Let's say you have a Person class with a .Save() method that will persist it into a database. Let's say that your application executes the Person.Save() method somewhere. If your DB refuses to save...