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typecast string to integer - Postgres
...ing into an integer.
Solution
Create a user-defined function inspired by PHP's intval() function.
CREATE FUNCTION intval(character varying) RETURNS integer AS $$
SELECT
CASE
WHEN length(btrim(regexp_replace($1, '[^0-9]', '','g')))>0 THEN btrim(regexp_replace($1, '[^0-9]', '','g'))::intege...
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"}]})),
share
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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);
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Get value from SimpleXMLElement Object
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silly question, but isn't that a bug? see php.net/simplexml#95762 why you don't have to cast type on some fields but on others you have to?
– gcb
Feb 16 '14 at 9:39
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云数据及Firebase组件简介 · App Inventor 2 中文网
...称为 FirebaseError，它让 Web 服务报告错误，这通常是通信问题的结果：
ShareValue：一个带有云数据的简单App
ShareValue 是一个使用 FirebaseDB 组件的简单应用程序。 它允许安装该应用程序的任何人设置共享云值并查看该值何时发生...
Replacing all non-alphanumeric characters with empty strings
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He's probably used to programming in PHP.
– William
Nov 26 '09 at 20:31
10
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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...
扒皮美女创业者：15分钟拿下薛蛮子 7家风投追捧 - 资讯 - 清泛网 - 专注C/C...
...拿的是自家的钱在创业，那是创业没多久，就要考虑盈利问题的，如果持续不赚钱，没有人会进行下去。但是互联网投资就不一样了，烧的是别人的钱，钱烧的越快，市场占有的越广，说明你越牛X.
不乏一些情况下，烧钱烧到...
Push existing project into Github
...ally. How much you have does not matter. But let's pretend that you have a php project. Let's say that you have the index.php, contact.php and an assets folder with images, css, and fonts. You can do it this way (easy), but there are many options:
Option 1
Login to your github account and create the...