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How to catch curl errors in PHP

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HTML button to NOT submit form

... (see the W3Schools website: http://www.w3schools.com/tags/att_button_form.asp) In other words, the button type is "submit" by default <button type="submit">Button Text</button> Therefore an easy way to get around this is to use the button type. <button type="button">But...
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How do I select elements of an array given condition?

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Large, persistent DataFrame in pandas

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jQuery - add additional parameters on submit (NOT ajax)

...to do to get a hidden field to show up on a server? It is going through C#/ASP.NET MVC using a FormCollection object. – Ciel Mar 27 '10 at 19:56 ...
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How to Test Facebook Connect Locally

I use ASP .NET and Facebook Connect APIs. but when I run the app and press Connect button it's return to the Website not to the test local server which is ( http://localhost:xxxx/test.aspx ) So how I can test Facebook locally (i.e How I can change the callback url) ? ...
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Best way to convert string to bytes in Python 3?

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Plotting two variables as lines using ggplot2 on the same graph

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Unioning two tables with different number of columns

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Align image in center and middle within div

...ault is display: inline according to w3schools.com/cssref/pr_class_display.asp. Why do we need to use block? I worked for me, but not sure why block will center the img and inline will not. – user3731622 Jan 11 '16 at 20:07 ...