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CORS - How do 'preflight' an httprequest?

...t involves configuring the server responses to include the "Access-Control-Allow-Origin" header and 'preflight' requests with and OPTIONS request. I got the idea from this post : Getting CORS working ...
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How to send SMS in Java

... if all you want is simple notifications, many carriers support SMS via email; see SMS through E-Mail share | improve this answ...
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Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?

...dy via response.getOutputStream() or response.getWriter() . Should one call .close() on this OutputStream after it has been written to? ...
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How do I set a textbox's text to bold at run time?

... RegisterEvents(); } private void RegisterEvents() { _tboTest.TextChanged += new EventHandler(TboTest_TextChanged); } private void TboTest_TextChanged(object sender, EventArgs e) { // Change the text to bold on specified condition if (_tboTest.Text....
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Is there a cross-browser onload event when clicking the back button?

For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded. ...
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How to remove all debug logging calls before building the release version of an Android app?

According to Google, I must " deactivate any calls to Log methods in the source code " before publishing my Android app to Google Play. Extract from section 3 of the publication checklist : ...
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Generate random password string with requirements in javascript

... you care about ancient browsers. Maintainable is mostly about the RegExp _pattern as an easy way to define what character classes you allow in the password. But also about the 3 things where each does its job: defines a pattern, gets a random byte as securely as possible, provides a public API to ...
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Change color of UISwitch in “off” state

...groundColor = [UIColor whiteColor]; youSwitch.layer.cornerRadius = 16.0; All thanks to @Barry Wyckoff. share | improve this answer | follow | ...
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Is it possible to change the textcolor on an Android SearchView?

...ans using reflection. Also works with appcompat. – dj_bushido Jan 3 '15 at 22:44 You can also set android:theme on the...
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Google Maps v3 - limit viewable area and zoom level

is it possible to limit Google map v3 to a certain area? I want to allow displaying only some area (e.g. a country) and disallow the user to slide elsewhere. Also I want to restrict the zoom level - e.g. only between levels 6 and 9. And I want to use all the base map types. ...