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Get value from NSTextField

...eTextField intValue]; There are many other methods for getting the value from a control. Have a look at the NSControl reference for more info, under the "Getting and Setting the Control’s Value" section. Here's a list: doubleValue floatValue intValue integerValue objectValue stringValue attri...
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How to check the version before installing a package using apt-get?

...o apt-show-versions --regex chrome google-chrome-stable/stable upgradeable from 32.0.1700.102-1 to 35.0.1916.114-1 xserver-xorg-video-openchrome/quantal-security uptodate 1:0.3.1-0ubuntu1.12.10.1 $ share | ...
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Amazon Interview Question: Design an OO parking lot [closed]

...e has an Entrance. Entrance has a location or more specifically, distance from Entrance. ParkingLotSign is a class. ParkingLot has a ParkingLotSign. ParkingLot has a finite number of ParkingSpaces. HandicappedParkingSpace is a subclass of ParkingSpace. RegularParkingSpace is a subclass of Park...
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Returning binary file from controller in ASP.NET Web API

....ContentType = new MediaTypeHeaderValue(contentType); return Task.FromResult(response); } } Then something like this in your controller: [Route("Images/{*imagePath}")] public IHttpActionResult GetImage(string imagePath) { var serverPath = Path.Combine(_rootPath, imagePath); v...
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Dependency Injection vs Factory Pattern

...rce that responsibility to another class or a framework, which is separate from your code. share | improve this answer | follow | ...
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how to get the cookies from a php curl into a variable

... and a string with the header line. You can use a code like this (adapted from TML response): $cookies = Array(); $ch = curl_init('http://www.google.com/'); // Ask for the callback. curl_setopt($ch, CURLOPT_HEADERFUNCTION, "curlResponseHeaderCallback"); $result = curl_exec($ch); var_dump($cookies)...
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Mac OSX Lion DNS lookup order [closed]

...cal webserver running on 127.0.0.1:80 and your browser receives a response from the webserver (error or otherwise), no AAAA query is issued, as it seems to be satisfied that a TCP connection was at least possible. On a related note, if you make heavy use of the hosts file (for adblocking, local w...
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What does @synchronized() do as a singleton method in objective C?

.... Edit: Adding some more information that wasn't in the original answer from 2011. The @synchronized directive prevents multiple threads from entering any region of code that is protected by a @synchronized directive referring to the same object. The object passed to the @synchronized directive ...
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How to iterate over rows in a DataFrame in Pandas

I have a DataFrame from Pandas: 22 Answers 22 ...
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How to process SIGTERM signal gracefully?

...down gracefully. The False value is set only once, and then it can only go from False to True so multiple access is not an issue. – Alceste_ Jul 25 '18 at 15:35 ...