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iPhone UITextField - Change placeholder text color

...olor blackColor]; textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:placeholderText attributes:@{NSForegroundColorAttributeName: color}]; } else { NSLog(@"Cannot set placeholder text's color, because deployment target is earlier than iOS 6.0"); // TODO: Add fall-back...
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Is there a Python Library that contains a list of all the ascii characters?

...>> string.ascii_uppercase 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' If you want all printable characters: >>> string.printable '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;?@[\\]^_`{|}~ \t\n\r\x0b\x0c' ...
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How do you remove duplicates from a list whilst preserving order?

...n seen or seen_add(x))] Why assign seen.add to seen_add instead of just calling seen.add? Python is a dynamic language, and resolving seen.add each iteration is more costly than resolving a local variable. seen.add could have changed between iterations, and the runtime isn't smart enough to rule t...
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How do I animate constraint changes?

... Two important notes: You need to call layoutIfNeeded within the animation block. Apple actually recommends you call it once before the animation block to ensure that all pending layout operations have been completed You need to call it specifically on the ...
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How to bind an enum to a combobox control in WPF?

I am trying to find a simple example where the enums are shown as is. All examples I have seen tries to add nice looking display strings but I don't want that complexity. ...
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Installing PG gem on OS X - failure to build native extension

It seems many others have had problems installing the pg gem. None of the solutions posed for others have worked for me. 1...
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Caching a jquery ajax response in javascript/browser

... return localCache.data[url]; }, set: function (url, cachedData, callback) { localCache.remove(url); localCache.data[url] = cachedData; if ($.isFunction(callback)) callback(cachedData); } }; $(function () { var url = '/echo/jsonp/'; $('#ajaxButton').clic...
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Can't find the PostgreSQL client library (libpq)

... $ sudo su $ env ARCHFLAGS="-arch x86_64" gem install pg Building native extensions. This could take a while... Successfully installed pg-0.11.0 1 gem installed Installing ri documentation for pg-0.11.0... Installing RDoc documentation for pg-0.11.0... WORKE...
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TypeScript typed array usage

... You have an error in your syntax here: this._possessions = new Thing[100](); This doesn't create an "array of things". To create an array of things, you can simply use the array literal expression: this._possessions = []; Of the array constructor if you want to se...
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Finding out the name of the original repository you cloned from in Git

... In the repository root, the .git/config file holds all information about remote repositories and branches. In your example, you should look for something like: [remote "origin"] fetch = +refs/heads/*:refs/remotes/origin/* url = server:gitRepo.git Also, the Git comm...