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Getting visitors country from their IP

I want to get visitors country via their IP... Right now I'm using this ( http://api.hostip.info/country.php?ip= ...... ) 2...
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Using querySelectorAll to retrieve direct children

... 10 Answers 10 Active ...
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社交应用组件 · App Inventor 2 中文网

...同,例如有一个名为 arrow.gif 的文件在文件夹 Appinventor/assets 中,它的表示方式可能是: "file:///sdcard/Appinventor/assets/arrow.gif"; 或 "/storage/Appinventor/assets/arrow.gif" 分享消息 弹出其他App的界面:弹出的是文档(保存文本到...
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Right query to get the current number of connections in a PostgreSQL DB

...l select * from (select count(*) used from pg_stat_activity) q1, (select setting::int res_for_super from pg_settings where name=$$superuser_reserved_connections$$) q2, (select setting::int max_conn from pg_settings where name=$$max_connections$$) q3; ...
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Count number of occurrences of a given substring in a string

How can I count the number of times a given substring is present within a string in Python? 35 Answers ...
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How do I vertically align something inside a span tag?

... and specify its height with line-height. The trick to multiple lines is resetting the inner span's line-height. <span class="textvalignmiddle"><span>YOUR TEXT HERE</span></span> .textvalignmiddle { line-height: /*set height*/; } .textvalignmiddle > span { disp...
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I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?

...e defined period between $start and $end. If you want to include the 10th, set $end to 11th. You can adjust format to your liking. See the PHP Manual for DatePeriod. share | improve this answer ...
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Will strlen be calculated multiple times if used in a loop condition?

I'm not sure if the following code can cause redundant calculations, or is it compiler-specific? 18 Answers ...
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How to make URL/Phone-clickable UILabel?

... You can make a custom UIButton and setText what ever you want and add a method with that. UIButton *sampleButton = [UIButton buttonWithType:UIButtonTypeCustom]; [sampleButton setFrame:CGRectMake(kLeftMargin, 10, self.view.bounds.size.width - kLeftMargin - kRi...
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ASP.NET MVC 3: Override “name” attribute with TextBoxFor

... because you want to apply a prefix to the name? If so, you can do this by setting ViewData.TemplateInfo.HtmlFieldPrefix in your Controller. I learnt a lot about this stuff from Brad Wilson's blog. share | ...