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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12
...change the "Listen 80" line to "Listen 8080". Save the file and close it.
Now it avoids Port 80 and uses Port 8080 instead without issue. The only additional thing you need to do is make sure to put localhost:8080 in the browser so the browser knows to look on Port 8080. Otherwise it defaults to Po...
Calling async method synchronously
...c(() => manager.CreateIdentityAsync(user, authenticationType));
}
Now lets see what AsyncHelper.RunSync does
public static TResult RunSync<TResult>(Func<Task<TResult>> func)
{
var cultureUi = CultureInfo.CurrentUICulture;
var culture = CultureInfo.Cu...
How do I add options to a DropDownList using jQuery?
...not the option a) is the default selected value, and b) should be selected now, you can pass in two more parameters:
var defaultSelected = false;
var nowSelected = true;
$('#mySelect').append( new Option(text,val,defaultSelected,nowSelected) );
...
JavaScript closure inside loops – simple practical example
...{
funcs[i] = createfunc(i);
}
for (var j = 0; j < 3; j++) {
// and now let's run each one to see
funcs[j]();
}
Since there is no block scope in JavaScript - only function scope - by wrapping the function creation in a new function, you ensure that the value of "i" remains as you inte...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
...
And now, as of 1/22/15 we're looking at the 9.4 release, it's good to see they're keeping it updated -- "gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config"
– c...
Make var_dump look pretty
...
I used to see like this when doing var_dump, but now that I have wampserver 2.5 with php 5.5.12 I see it unformatted. How come I could see like your photo before, without installing anything more than wampserver?
– Limon
Nov 28 '14 at ...
Create unique constraint with null columns
...rom favo_3col_uni_idx and your requirements are still enforced.
The index, now comprising the whole table, overlaps with the other one and gets bigger. Depending on typical queries and the percentage of NULL values, this may or may not be useful. In extreme situations it might even help to maintain ...
How do I open links in Visual Studio in my web browser and not in Visual Studio?
...
2019 Update: All the answers are old. There's now a native way to do this in options in VS2019 Community:
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How to find the Windows version from the PowerShell command line
...oft's side which there is no guarantee they will continue to do. It works now but you should avoid relying on this if you want your script to work in the long run.
– Nick
Nov 30 '16 at 14:43
...
How do I use valgrind to find memory leaks?
...first
gcc -o executable -std=c11 -Wall -ggdb3 main.c # add -ggdb3 to it
Now with this debug build, Valgrind points to the exact line of code
allocating the memory that got leaked! (The wording is important: it might not
be exactly where your leak is, but what got leaked. The trace helps you fin...