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Why catch and rethrow an exception in C#?
...ple, in VB you can do
Try
..
Catch Ex As MyException When Ex.ErrorCode = 123
..
End Try
...which would not handle MyExceptions with different ErrorCode values. In C# prior to v6, you would have to catch and re-throw the MyException if the ErrorCode was not 123:
try
{
...
}
catch(MyExcepti...
How do I truncate a .NET string?
...
Because performance testing is fun: (using linqpad extension methods)
var val = string.Concat(Enumerable.Range(0, 50).Select(i => i % 10));
foreach(var limit in new[] { 10, 25, 44, 64 })
new Perf<string> {
{ "newstring" + limit, n =&...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
...thers are using GA
Here is the demo code for the survival example: http://www.mempko.com/darcs/neural/demos/eaters/
Build instructions:
Install darcs, libboost, liballegro, gcc, cmake, make
darcs clone --lazy http://www.mempko.com/darcs/neural/
cd neural
cmake .
make
cd demos/eaters
./eaters
...
Is there StartsWith or Contains in t sql with variables?
...eUploader: {
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What is boxing and unboxing and what are the trade offs?
...xing is the conversion of a reference type into a value type.
EX: int i = 123;
object o = i;// Boxing
int j = (int)o;// UnBoxing
Value Types are: int, char and structures, enumerations.
Reference Types are:
Classes,interfaces,arrays,strings and objects
...
Regular expression to match numbers with or without commas and decimals in text
... are embedded in other text. IMHO anything that fails to pull 1,234.56 and 1234—and only those numbers—out of abc22 1,234.56 9.9.9.9 def 1234 is a wrong answer.
First of all, if you don't need to do this all in one regex, don't. A single regex for two different number formats is hard to maintain...
What character encoding should I use for a HTTP header?
...eUploader: {
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Showing commits made directly to a branch, ignoring merges in Git
...eUploader: {
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Loading/Downloading image from URL on Swift
...ypically from a nib.
print("Begin of code")
let url = URL(string: "https://cdn.arstechnica.net/wp-content/uploads/2018/06/macOS-Mojave-Dynamic-Wallpaper-transition.jpg")!
downloadImage(from: url)
print("End of code. The image will continue downloading in the background and it will b...
How to list only the file names that changed between two commits?
...rex/RexSimplify.java | 50 +++++++++++++++++-----
.../apache/calcite/sql/fun/SqlTrimFunction.java | 2 +-
.../apache/calcite/sql2rel/SqlToRelConverter.java | 16 +++++++
.../org/apache/calcite/util/SaffronProperties.java | 19 ++++----
.../org/apache/calcite/test/RexProgramTest.java | 24 +...