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How to switch to the new browser window, which opens after click on the button?

...Handle); } // Perform the actions on new window // Close the new window, if that window no more required driver.close(); // Switch back to original browser (first window) driver.switchTo().window(winHandleBefore); // Continue with original browser (first window) ...
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What is the right way to check for a null string in Objective-C?

...ter equality. See Topics for Cocoa: Using Null. So a good test might be: if (title == (id)[NSNull null] || title.length == 0 ) title = @"Something"; Note how you can use the fact that even if title is nil, title.length will return 0/nil/false, ie 0 in this case, so you do not have to special cas...
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using data-* attribute with thymeleaf

... tag, so you can't have more than one th:attr in the same element. Note: If you want more that one attribute, separate the different attributes by comma: <div th:attr="data-id=${element.getId()},data-name=${element.getN‌​ame()}"> ...
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How do I remove repeated elements from ArrayList?

... If you don't want duplicates in a Collection, you should consider why you're using a Collection that allows duplicates. The easiest way to remove repeated elements is to add the contents to a Set (which will not allow duplica...
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Performance of FOR vs FOREACH in PHP

First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and... ...
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How to configure socket connect timeout

...ll, null ); bool success = result.AsyncWaitHandle.WaitOne( 5000, true ); if ( socket.Connected ) { socket.EndConnect( result ); } else { // NOTE, MUST CLOSE THE SOCKET socket.Close(); throw new ApplicationException("Failed to connect server."); } //... ...
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How do you redirect to a page using the POST verb?

...our answer is suggesting. I would love to know what is "wrong" with this, if there is anything. Obviously, if you want to really have sent to the browser a redirect, this isn't going to work, but then you should ask why you would be trying to convert that regardless, since it seems odd to me. Hope...
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Center/Set Zoom of Map to cover all visible Markers?

...the newbies out there, with the same question as Pratheep... You know this if you're experienced with the Maps API, but you can always pass in a LatLngLiteral instead of having a Marker instance. e.g., bounds.extend({lat: 123, lng: 456}). – Kyle Baker Apr 9 '18...
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Rails: confused about syntax for passing locals to partials

...short answer is the render method looks at the first argument you pass in. If you pass in a hash (which includes :partial => 'foo', :locals => {blah blah blah}) then it will pass in all of your arguments as a hash and parse them accordingly. If you pass in a string as your first argument, i...
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Is it possible to GROUP BY multiple columns using MySQL?

...ion. At first mysql sorts by the first defined column (with GROUP BY). And if in the first defined column there are equal results, then only within the equal results sorts by the second defined column – user2360831 Jun 15 '19 at 6:17 ...