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Server is already running in Rails
...ing rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids
14 Answers
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Email validation using jQuery
...how();
return false;
}
//ajax call php page
$.post("send.php", $("#contactform").serialize(), function(response) {
$('#contactform').fadeOut('slow',function(){
$('#success').html(response);
$('#success')...
What is the App_Data folder used for in Visual Studio?
...tores (as opposed to a SQL server database store for example). Some simple sites make use of it for content stored as XML for example, typically where hosting charges for a DB are expensive.
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Constructor overloading in Java - best practice
...standard Java style? Why?: In my opinion it would make sense to do it the opposite way that way you the first constructor definition you should see is the one that has all the details.
– Josie Thompson
Jun 27 '16 at 17:47
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Reordering of commits
... COMMIT WILL BE LOST.
#
Note that the ordering of commits in the file is opposite the one used for git log. In git log, the most recent commit is at the top. In this file, the most recent commit is at the bottom.
As the comment at the bottom of the file explains there are various things I can do,...
How to get Chrome to allow mixed content?
...Chrome v79 (2/24/2020):
Click the (i) button next to the URL
Click Site settings on the popup box
At the bottom of the list is "Insecure content", change this to Allow
Go back to the site and Refresh the page
Older Chrome Versions:
timmmy_42 answers this on: https://productfo...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...ing else uses it first.
Write-Host should be used when you want to do the opposite.
[console]::WriteLine is essentially what Write-Host is doing behind the scenes.
Run this demonstration code and examine the result.
function Test-Output {
Write-Output "Hello World"
}
function Test-Output2...
“Least Astonishment” and the Mutable Default Argument
...ou always run into cases where someone could intuitively expect one or the opposite behavior depending on what code they're writing.
I personally like Python's current approach: default function arguments are evaluated when the function is defined and that object is always the default. I suppose th...
Uploading both data and files in one form using Ajax?
...uery identifier.
You can upload data and files with one form using ajax.
PHP + HTML
<?php
print_r($_POST);
print_r($_FILES);
?>
<form id="data" method="post" enctype="multipart/form-data">
<input type="text" name="first" value="Bob" />
<input type="text" name="middl...
In what cases do I use malloc and/or new?
...
The opposite of operator new is operator delete. It is not a well defined action to call delete on an expression with type void*.
– CB Bailey
Oct 8 '08 at 20:16
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