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What is the difference between a definition and a declaration?
...lly instantiates/implements this identifier. It's what the linker needs in order to link references to those entities. These are definitions corresponding to the above declarations:
int bar;
int g(int lhs, int rhs) {return lhs*rhs;}
double f(int i, double d) {return i+d;}
class foo {};
A definit...
What are the various “Build action” settings in Visual Studio project properties and what do they do
... you don't mind that i copied parts of your answer into Gishu's answer, in order to get a more complete reference answer.
– Ian Boyd
Feb 16 '12 at 18:54
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Android Studio IDE: Break on Exception
... As an xcode/iOS developer and android-n00b, I didn't know that in order for ANY breakpoints to fire, in Android studio you cannot click the play-like (triangle) icon to start the app. You must start the app by clicking the bug-like icon next to it on the right.
– xapho...
Repository Pattern vs DAL
...cts are grouped into aggregates, each with an aggregate root. E.g. PurchaseOrder is an aggregate root and OrderItems are children within the aggregate root. A repository only deals with aggregate roots. That is, a OrderItem for example is never loaded independently of it's aggreate root. So, you wou...
What integer hash function are good that accepts an integer hash key?
...4435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divi...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
...y call setNeedsUpdateConstraint to modify constraints in the process.
In order to call updateConstraints you need to do the following:
[view setNeedsUpdateConstraints];
[view setNeedsLayout];
[view layoutIfNeeded];
shar...
Set time part of DateTime in ruby
...t those zeros represent HOUR, MINUTE, SECOND and OFFSET (timezone) in that order.
– d_ethier
Jul 21 '13 at 19:31
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Display names of all constraints for a table in Oracle SQL
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Terminating a script in PowerShell
...ions to throw to a wrapping try-catch and exit from that wrapping catch in order to actually output an error exit code.
– Josh
Mar 16 '16 at 14:37
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What is the difference between C# and .NET?
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.NET CLR is all about types. In order to support multiple languages, they came up with CTS - Common type system which defines how types must be defined and rules governing them e.g. inheritance, object lifetime etc. C++/CLI, C#, VB are all languages conform...