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NSDictionary - Need to check whether dictionary contains key-value pair or not

... Just ask it for the objectForKey:@"b". If it returns nil, no object is set at that key. if ([xyz objectForKey:@"b"]) { NSLog(@"There's an object set for key @\"b\"!"); } else { NSLog(@"No object set for key @\"b\""); } Edit: ...
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Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do

... Just running the reinstall command worked for me. I didn't need to modify web.config. – Keith Aug 10 '15 at 15:59 4 ...
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How can I redirect HTTP requests made from an iPad?

...ere is a HTTP Proxy setting which can be set to manual. Enter you proxy information here. Once this is set up you would be able to manipulate the iPad as if you were changing the hosts file. share | ...
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How to linebreak an svg text within javascript?

...pan>s, each with x="0" and dy="1.4em" to simulate actual lines of text. For example: <g transform="translate(123 456)"><!-- replace with your target upper left corner coordinates --> <text x="0" y="0"> <tspan x="0" dy="1.2em">very long text</tspan> <tsp...
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Android equivalent to NSNotificationCenter

...the process of porting an iPhone application over to android, I am looking for the best way to communicate within the app. Intents seem to be the way to go, is this the best (only) option? NSUserDefaults seems much lighter weight than Intents do in both performance and coding. ...
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Do HTML5 custom data attributes “work” in IE 6?

...has supported getAttribute() from IE4 which is what jQuery uses internally for data(). data = elem.getAttribute( "data-" + key ); // Line 1606, jQuery.1.5.2.js So you can either use jQuery's .data() method or plain vanilla JavaScript: Sample HTML <div id="some-data" data-name="Tom"></d...
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#define macro for debug printing in C?

Trying to create a macro which can be used for print debug messages when DEBUG is defined, like the following pseudo code: ...
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What is this date format? 2011-08-12T20:17:46.384Z

I have the following date: 2011-08-12T20:17:46.384Z . What format is this? I'm trying to parse it with Java 1.4 via DateFormat.getDateInstance().parse(dateStr) and I'm getting ...
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moveCamera with CameraUpdateFactory.newLatLngBounds crashes

... Those answers are just fine, but I would go for a different approach, a simpler one. If the method only works after the map is layed out, just wait for it: map.setOnMapLoadedCallback(new GoogleMap.OnMapLoadedCallback() { @Override public void onMapLoaded() { ...
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How to add a spinner icon to button when it's in the Loading state?

...hatever is in data-loading-text when calling $(myElem).button('loading'). For your case, I think you should just be able to do this: <button type="button" class="btn btn-primary start" id="btnStartUploads" data-loading-text="<i class='icon-spinner icon-spin icon-large...