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Check if object exists in JavaScript
...beObject - is an object, the alert would be shown.
I have an example in my site.
https://sites.google.com/site/javaerrorsandsolutions/home/javascript-dynamic-checkboxes
Fastest Way to Find Distance Between Two Lat/Long Points
...DIT: Can this be put into one SQL statement?
I have no idea what mySql or Php is capable of, sorry.
I don't know where the best place is to build the four points, or how they could be passed to a mySql query in Php. However, once you have the four points, there's nothing stopping you combining your...
How to escape a JSON string to have it in a URL?
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Using encodeURIComponent():
var url = 'index.php?data='+encodeURIComponent(JSON.stringify({"json":[{"j":"son"}]})),
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How to fix HTTP 404 on Github Pages?
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this fixed it for me. My user site was originally working without it but stopped working. You can just add a file online and commit it there too. I did this, refreshed and it instantly worked.
– bot19
May 24 at 2:23
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Accessing localhost:port from Android emulator
...Dir).vs\config\applicationhost.config for Visual Studio
2015), find your site's binding element, and add
<binding protocol="http" bindingInformation="*:8080:*" />
Make sure to add it as a second binding instead of modifying the existing one or VS will just re-add a new site appended with...
How to send an email from JavaScript
...;
if (rq) {
// Success; attempt to use an Ajax request to a PHP script to send the e-mail
try {
rq.open('GET', 'sendmail.php?to=' + encodeURIComponent(to) + '&subject=' + encodeURIComponent(subject) + '&d=' + new Date().getTime().toString(), true);
...
how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
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If you're open to a PHP solution:
<td><img src='<?PHP
$path1 = "path/to/your/image.jpg";
$path2 = "alternate/path/to/another/image.jpg";
echo file_exists($path1) ? $path1 : $path2;
?>' alt='' />
</td>
////EDI...
How to get the browser viewport dimensions?
...ned 980, not 320, so I used window.screen.width. I was working on existing site, being made "responsive" and needed to force larger browsers to use a different meta-viewport.
Hope this helps someone, it may not be perfect, but it works in my testing on iOs and Android.
//sweet hack to set meta v...
Amazon SimpleDB vs Amazon DynamoDB
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The linked site has been marked as malware by Sophos. Use caution.
– IanGilham
Dec 29 '16 at 14:47
1
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Best way for a 'forgot password' implementation? [closed]
...g (before the hashing). The link will be something like this: http://www.mysite.com/forgotpassword.jsp?ID=01234567890ABCDEF. The forgotpassword.jsp page should be able to retrieve the ID parameter. Sorry, I don't know Java, so I can't be more specific.
When the user clicks the link in the email, he ...