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Looping through a hash, or using an array in PowerShell
...adable. The %{} operator is considered shorthand. Here's how it should be done in a script for readability and reusability:
Variable Setup
PS> $hash = @{
a = 1
b = 2
c = 3
}
PS> $hash
Name Value
---- -----
c ...
What's the need of array with zero elements?
...ne):
As a special case, the last element of a structure with more than one named member may
have an incomplete array type; this is called a flexible array member. In most situations,
the flexible array member is ignored. In particular, the size of the structure is as if the
flexible arr...
Add object to ArrayList at specified index
...shmap would indeed be able to solve this problem. I think I'll go for that one since it doesn't seem like I can add something at location 3 when there is no object at location 2.
– J. Maes
Sep 12 '11 at 8:35
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Fastest way to check if a string is JSON in PHP?
...string) {
json_decode($string);
return (json_last_error() == JSON_ERROR_NONE);
}
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Getting the application's directory from a WPF application
...
One method:
System.AppDomain.CurrentDomain.BaseDirectory
Another way to do it would be:
System.IO.Path.GetDirectoryName(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName)
...
When to make a type non-movable in C++11?
I was surprised this didn't show up in my search results, I thought someone would've asked this before, given the usefulness of move semantics in C++11:
...
Coroutine vs Continuation vs Generator
...art with generators, seeing as they're the simplest case. As @zvolkov mentioned, they're functions/objects that can be repeatedly called without returning, but when called will return (yield) a value and then suspend their execution. When they're called again, they will start up from where they last...
Passing multiple values to a single PowerShell script parameter
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The easiest way is probably to use two parameters: One for hosts (can be an array), and one for vlan.
param([String[]] $Hosts, [String] $VLAN)
Instead of
foreach ($i in $args)
you can use
foreach ($hostName in $Hosts)
If there is only one host, the foreach loop will ...
SQL Server: Is it possible to insert into two tables at the same time?
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In one statement: No.
In one transaction: Yes
BEGIN TRANSACTION
DECLARE @DataID int;
INSERT INTO DataTable (Column1 ...) VALUES (....);
SELECT @DataID = scope_identity();
INSERT INTO LinkTable VALUES (@ObjectID, @D...
What is the best way to compare floats for almost-equality in Python?
... Not to diminish the value of this answer (I think it's a good one), it's worth noting that the documentation also says: "Modulo error checking, etc, the function will return the result of..." In other words, the isclose function (above) is not a complete implementation.
...