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What does the “__block” keyword mean?

...r contents that are also used in blocks are copied, thus any modification done to these variables don't show outside the block. When they are marked with __block, the modifications done inside the block are also visible outside of it. For an example and more info, see The __block Storage Type in Ap...
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How do I install a NuGet package .nupkg file locally?

... Actually, I have done step 1 a few times. But my package is not showing up in step 2, when I open up to view Installed packages, Updates or Recent packages. – Tom Apr 20 '12 at 4:20 ...
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How to overcome “datetime.datetime not JSON serializable”?

...t_hook=json_util.object_hook) Django Django provides a native DjangoJSONEncoder serializer that deals with this kind of properly. See https://docs.djangoproject.com/en/dev/topics/serialization/#djangojsonencoder from django.core.serializers.json import DjangoJSONEncoder return json.dumps( ...
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Add a “hook” to all AJAX requests on a page

...suggestion, but this unfortunately does not intercept AJAX calls that are done not using AJAX. – Yuliy Mar 5 '11 at 23:27 ...
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How to call an async method from a getter or setter?

...; they should not be kicking off background operations. Usually, when someone wants an "asynchronous property", what they really want is one of these: An asynchronous method that returns a value. In this case, change the property to an async method. A value that can be used in data-binding but mu...
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How can I parse JSON with C#?

...es a lot more than they need your standard. – Peter Wone Mar 18 '14 at 12:36 3 ...
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Does Parallel.ForEach limit the number of active threads?

...h(FilePathArray, path =>... to read about 24,000 files tonight creating one new file for each file I read in. Very simple code. It appears that even 6 threads was enough to overwhelm the 7200 RPM disk I was reading from at 100% utilization. Over the period of a few hours I watched the Parallel...
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Find the nth occurrence of substring in a string

... dirty, in that you have to choose some chaff that can't match the needle) one-liner: 'foo bar bar bar'.replace('bar', 'XXX', 1).find('bar') share | improve this answer | f...
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How can I center an absolutely positioned element in a div?

... edited Sep 9 '16 at 9:41 Lionel Paulus 18122 silver badges55 bronze badges answered Nov 22 '09 at 0:21 bo...
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How to write :hover condition for a:before and a:after?

...rs" is going to confuse you once you run into syntax problems such as this one. If you're writing CSS3, you can denote a pseudo-element with double colons to make this distinction clearer. Hence, a:hover::before and a:visited::before. But if you're developing for legacy browsers such as IE8 and olde...