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How to detect if a property exists on an ExpandoObject?
...blic object this[string key]
{
get
{
object value;
_innerDictionary.TryGetValue(key, out value);
return value;
}
set { _innerDictionary[key] = value; }
}
https://github.com/ASP-NET-MVC/aspnetwebstack/blob/master/src/System.Web.Mvc/ViewDataDictionary.cs
In o...
Hidden features of Scala
... more. Every Regex object in Scala has an extractor (see answer from oxbox_lakes above) that gives you access to the match groups. So you can do something like:
// Regex to split a date in the format Y/M/D.
val regex = "(\\d+)/(\\d+)/(\\d+)".r
val regex(year, month, day) = "2010/1/13"
The secon...
Add alternating row color to SQL Server Reporting services report
...************************
Function AlternateColor(ByVal OddColor As String, _
ByVal EvenColor As String, ByVal Toggle As Boolean) As String
If Toggle Then bOddRow = Not bOddRow
If bOddRow Then
Return OddColor
Else
Return EvenColor
End If
End Function
Then on...
How do you run NUnit tests from Jenkins?
... $sourceDirectory = $env:WORKSPACE
, $fileFilters = @("*.UnitTests.dll", "*_UnitTests.dll", "*UnitTests.dll")
, [string]$filterText = "*\bin\Debug*"
)
#script that executes all unit tests available.
$nUnitLog = Join-Path $sourceDirectory "UnitTestResults.txt"
$nUnitErrorLog = Join-Path $sourceDirec...
Why does viewWillAppear not get called when an app comes back from the background?
...egroundNotification, object: nil)
}
override func viewWillAppear(_ animated: Bool) {
print("view will appear")
}
override func viewDidAppear(_ animated: Bool) {
print("view did appear")
}
// MARK: - Notification oberserver methods
@objc func didBecome...
Ruby: How to turn a hash into HTTP parameters?
...reaks down.
require "addressable/uri"
uri = Addressable::URI.new
uri.query_values = {:a => "a", :b => ["c", "d", "e"]}
uri.query
# => "a=a&b[0]=c&b[1]=d&b[2]=e"
uri.query_values = {:a => "a", :b => [{:c => "c", :d => "d"}, {:e => "e", :f => "f"}]}
uri.query
# ...
How to handle Objective-C protocols that contain properties?
...e.
Edit:
You may want to do this more specifically:
@synthesize title = _title;
This will fall in line with how xcode's automatic synthesis creates properties and ivars if you use auto-synthesis, so that way if your class has properties from a protocol and a class, some of your ivars won't have...
Extracting substrings in Go
...panic on a zero length input, wrap the truncate operation in an if
input, _ := src.ReadString('\n')
var inputFmt string
if len(input) > 0 {
inputFmt = input[:len(input)-1]
}
// Do something with inputFmt
share
...
Make first letter of a string upper case (with maximum performance)
...tException($"{nameof(input)} cannot be empty", nameof(input)),
_ => input.First().ToString().ToUpper() + input.Substring(1)
};
}
C# 7
public static class StringExtensions
{
public static string FirstCharToUpper(this string input)
{
switch (input)
{
...
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...
}
System.out.printf("Done.%n");
}
}
Using Java 1.6.0_24-b07 on a Windows 7 32 bit.
java -Xloggc:gc.log GarbageCollector
Then look at gc.log
Triggered 444 times using BAD method
Triggered 666 times using WORSE method
Triggered 354 times using BETTER method
Now granted, ...