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What's the difference between .so, .la and .a library files?
...re than one copy of it in memory). But what is the difference between .a and .la ? Are these all static libraries?
1 Ans...
How to export DataTable to Excel
...= new List<string>();
string[] columnNames = dataTable.Columns
.Cast<DataColumn>()
.Select(column => column.ColumnName)
.ToArray();
var header = string.Join(",", columnNames.Select(name => $"\"{name}\""));
lines.Add(header);
var valueLines = dataTable.AsEnumerable()
...
What is the correct way of using C++11's range-based for?
...lt;X> initialization ...]
Elements:
1 3 5 7 9
Without any spurious (and potentially expensive) copy constructor call.
So, when observing elements in a container (i.e., for read-only access),
the following syntax is fine for simple cheap-to-copy types, like int, double, etc.:
for (auto elem ...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
...of a UIAlertView. I stopped debugging there, made some changes to the code and built the app again. Now when I run the application, I get this error in the console
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SQL Server - stop or break execution of a SQL script
...
then the incantation... but how do I cast Magic Missle?!
– JJS
Feb 3 '17 at 18:31
1
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Standard concise way to copy a file in Java?
...ning streams, declaring a buffer, reading in one file, looping through it, and writing it out to the other steam. The web is littered with similar, yet still slightly different implementations of this type of solution.
...
What is the direction of stack growth in most modern systems?
I am preparing some training materials in C and I want my examples to fit the typical stack model.
9 Answers
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What is a typedef enum in Objective-C?
...nd kOblateSpheroid). You can assign a ShapeType variable another value by casting, though, so you have to be careful when reading enum values.
Finally, kCircle, kRectangle, and kOblateSpheroid are declared as integral constants in the global namespace. Since no specific values were specified, the...
What is the difference between IQueryable and IEnumerable?
...
The only benefit is convenience. AsQueryable() will just cast an enumerable to a queryable and return it if it implements the IQueryable interface, otherwise it wraps it in a ConstantExpression, which is referred to in a returned EnumerableQuery object.
– Mar...
Building big, immutable objects without using constructors having long parameter lists
...ver you give them a mutable object named Immutable that simply needs to be cast to it's mutable interface. The separate class approach requires methods to convert back and forth. The JodaTime API uses this pattern. See DateTime and MutableDateTime.
– toolbear
A...