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change text of button and disable button in iOS

... Hey Namratha, If you're asking about changing the text and enabled/disabled state of a UIButton, it can be done pretty easily as follows; [myButton setTitle:@"Normal State Title" forState:UIControlStateNormal]; // To set the title [myButt...
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Should import statements always be at the top of a module?

...s within a function will cause calls to that function to take longer. So if you care about efficiency, put the imports at the top. Only move them into a function if your profiling shows that would help (you did profile to see where best to improve performance, right??) The best reasons I've see...
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iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?

...iPad's window size, the user is normally unable to scroll. In other words, if I set the window's scrollTop, it will remain at 0. If, on the other hand, the keyboard is shown, scrolling suddenly works. So I can set scrollTop, immediately test its value, and then reset it. Here's how that might look ...
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What does a script-Tag with src AND content mean?

... Different browsers treat this differently. Some run the content only if the src is included without error. Some run it after attempting to include the src script, regardless of success. Since this behaviour is unreliable (and ...
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Is there a way to break a list into columns?

...olumn-count: 4; column-gap: 20px; } See: http://jsfiddle.net/pdExf/ If IE support is required, you'll have to use JavaScript, for example: http://welcome.totheinter.net/columnizer-jquery-plugin/ Another solution is to fallback to normal float: left for only IE. The order will be wrong, but ...
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What do querySelectorAll and getElementsBy* methods return?

...e unique and thus the function always returns exactly one element (or null if none was found). However, getElementsByClassName(), querySelectorAll(), and other getElementsBy* methods return an array-like collection of elements. Iterate over it like you would with a real array: var elems = document...
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Git stash twice

...f8bb Commit message A stash@{1}: WIP on master: 50cf63b Commit message B If you made two stashes, then just call git stash pop twice. As opposed to git stash apply, pop applies and removes the latest stash. You can also reference a specific stash, e.g. git stash show stash@{1} or git stash a...
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Rails filtering array of objects by attribute value

...es = [], [] @attachments.each do |attachment| @logos << attachment if attachment.file_type == 'logo' @images << attachment if attachment.file_type == 'image' end share | improve thi...
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How do I pass a string into subprocess.Popen (using the stdin argument)?

If I do the following: 11 Answers 11 ...
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Detecting request type in PHP (GET, POST, PUT or DELETE)

... By using $_SERVER['REQUEST_METHOD'] Example if ($_SERVER['REQUEST_METHOD'] === 'POST') { // The request is using the POST method } For more details please see the documentation for the $_SERVER variable. ...