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How can I find the last element in a List?
... the list is empty. So if you get 0 back from a List<int> you won't know if the list was empty or the last value was 0. In short, you need to check the Count whichever retrieval mechanism you decide to use.
– 0b101010
Nov 7 '14 at 16:23
...
Choosing the default value of an Enum type without having to change values
... In your implicit conversion operator you need value + 1, otherwise now your default(Orientation) returns East. Also, make the constructor private. Good approach.
– nawfal
Jun 10 '15 at 20:53
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Why am I getting “Unable to find manifest signing certificate in the certificate store” in my Excel
...es. This signs the click-once manifest when you build it. Between then and now, that certificate is no longer available. Either this wasn't the machine you originally built it on or it got cleaned up somehow. You need to re-add that certificate to your machine or chose another certificate.
...
Java Name Hiding: The Hard Way
...rio, you COULD construct an instance of the class using reflection if you know its fully qualified name.
Java: newInstance of class that has no default constructor
And then invoke the method on the instance.
Or, just invoke the method itself with reflection:
Invoking a static method using reflect...
How to create streams from string in Node.Js?
...ue('your string').end()
// Pass stream around:
callback(null, stream)
// Now that a consumer has attached, remember to resume the stream:
stream.resume()
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Where IN clause in LINQ [duplicate]
...t;(this T source, params T[] list)
{
return list.Contains(source);
}
Now you call:
var states = _objdatasources.StateList().Where(s => s.In(countrycodes));
You can pass individual values too:
var states = tooManyStates.Where(s => s.In("x", "y", "z"));
Feels more natural and closer ...
Boolean literals in PowerShell
...am (
[bool]$cleanuprequired
)
echo "Batch file starting execution."
Now if I've to invoke this PS file from a PS command line, this is how I can do it:
installmyapp.ps1 -cleanuprequired $true
OR
installmyapp.ps1 -cleanuprequired 1
Here 1 and $true are equivalent. Also, 0 and $false ar...
How do you run a SQL Server query from PowerShell?
...on.Close()
$dataSet.Tables
}
I have been using this so long I don't know who wrote which parts. This was distilled from others' examples, but simplified to be clear and just what is needed without extra dependencies or features.
I use and share this often enough that I have turned this into a ...
Format file size as MB, GB, etc [duplicate]
...al String[] units = new String[] { "B", "KB", "MB", "GB", "TB", "EB" }; // now it works up to Long.MAX_VALUE!
– Joe
Jul 6 '12 at 23:49
30
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What does the third parameter (false) indicate in document.addEventListener(“deviceready”,OnDeviceRe
...ent (e.g. a click) happens on the a element, should the ancestor elements know? It was widely accepted that they should. But the question was in what order they should be notified. The Microsoft and Netscape developers (this should give you an idea of quite how historical we're talking!) had differi...