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JavaScript isset() equivalent
...
Age old thread, but there are new ways to run an equivalent isset().
ESNext (Stage 4 December 2019)
Two new syntax allow us to vastly simplify the use of isset() functionality:
Optional Chaining(?.)
Nullish Coalescing Operator(??)
Pl...
.htaccess not working apache
...mple.
Third, if you want to ensure that a .htaccess file is in fact being read, put garbage in it.
An invalid line, such as "INVALID LINE HERE", in your .htaccess file, will result in a 500 Server Error when you point your browser at the directory containing that file. If it doesn't, then you don't...
Haskell error parse error on input `='
... @Bakuriu LYAH does now mention let. But a follow-up. In LYAH I read addThree :: Int -> Int -> Int -> Int (newline) addThree x y z = x + y + z but only the second one runs in GHCi with let. Why?
– isomorphismes
Aug 5 '13 at 15:33
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Determine a string's encoding in C#
...y this in pure managed code.
http://utf8checker.codeplex.com
Notice: as already pointed out "determine encoding" makes sense only for byte streams. If you have a string it is already encoded from someone along the way who already knew or guessed the encoding to get the string in the first place.
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How to get the month name in C#?
... Console.WriteLine(DateTime.Now.ToShortMonthName());
Console.Read();
}
}
static class DateTimeExtensions
{
public static string ToMonthName(this DateTime dateTime)
{
return CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(dateTime.Month);
}
public st...
How to handle command-line arguments in PowerShell
...beginning of the file.
You can also assign default values to your params, read them from console if not available or stop script execution:
param (
[string]$server = "http://defaultserver",
[Parameter(Mandatory=$true)][string]$username,
[string]$password = $( Read-Host "Input password...
How to run a shell script in OS X by double-clicking?
...ed to have execution permission (chmod +x) but the .command extension is already linked with Terminal. Great solution, thank you
– NorTicUs
May 22 '14 at 9:56
...
Why do python lists have pop() but not push()
...on's list.append function is not called list.push given that there's already a list.pop that removes and returns the last element (that indexed at -1) and list.append semantic is consistent with that use?
...
Is there a way to change the environment variables of another process in Unix?
...t be changed from the outside after startup, hence most will probably just read the vars they are interested in at startup and initialize based on that. So changing them afterwards will not make a difference, since the program will never re-read them.
If you posted this as a concrete problem, you s...
Can every recursion be converted into iteration?
A reddit thread brought up an apparently interesting question:
17 Answers
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