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Is there YAML syntax for sharing part of a list or map?
...t;< : *sites # merge *sites into this mapping
? www.baz.com # add extra stuff
Some things to notice. Firstly, since << is a key, it can only be specified once per node. Secondly, when using a sequence as the value, the order is significant. This doesn't matter in the example here, s...
What's a good way to extend Error in JavaScript?
...object of The class which is extends by base type like Array,Number,Object,String or Error is not instanceof this class
What about the other SO answers?
All the given answers fix the instanceof issue but you lose the regular error console.log:
console.log(new CustomError('test'));
// output:
// ...
Pickle or json?
...
The benchmark cited by @mac only tests strings. I tested str, int and float seperately and found out that json is slower than cPickle with float serialization, but faster with float unserialization. For int (and str), json is faster both ways. Data and code: gist....
Mark parameters as NOT nullable in C#/.NET?
...
An example of the desired feature:
public class Person
{
public string Name { get; set; } // Not Null
public string? Address { get; set; } // May be Null
}
The preview is available for Visual Studio 2017, 15.5.4+ preview.
...
How to build for armv6 and armv7 architectures with iOS 5
... actually a solution yet, but I have discovered that replacing the defined string in "architectures", which was $(ARCHS_STANDARD_32_BIT), with "armv6 armv7" allowed me to compile with iOS5 as a base and iOS4 as a deployment target, and pass validation .
I am not using any IOS5-exclusive libraries o...
How to get the type of T from a member of a generic class or method?
...;(this IEnumerable<T> _)
{
return typeof(T);
}
Usage:
List<string> list = new List<string> { "a", "b", "c" };
IEnumerable<string> strings = list;
IEnumerable<object> objects = list;
Type listType = list.GetListType(); // string
Type string...
Access nested dictionary items via a list of keys?
...d create non-existing nodes, imo: lists for integer keys, dictionaries for string keys.
– Dmitriy Sintsov
Feb 11 '15 at 10:59
...
Restoring Nuget References?
...&paste it into your Package Manager Console
function Sync-References([string]$PackageId) {
get-project -all | %{
$proj = $_ ;
Write-Host $proj.name;
get-package -project $proj.name | ? { $_.id -match $PackageId } | % {
Write-Host $_.id;
uninstall-package -projectnam...
How to initialize an array in one step using Ruby?
...ot required, but included for clarity
For arrays of whitespace-delimited strings, you can use Percent String syntax:
array = %w[ 1 2 3 ]
You can also pass a block to Array.new to determine what the value for each entry will be:
array = Array.new(3) { |i| (i+1).to_s }
Finally, although it doe...
How to send SMS in Java
...lPortEventListener,
CommPortOwnershipListener {
private static String comPort = "COM6"; // This COM Port must be connect with GSM Modem or your mobile phone
private String messageString = "";
private CommPortIdentifier portId = null;
private Enumeration portList;
priv...