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What are dictionary view objects?

...eritems() returns an iterator over the dictionary’s (key, value) pairs. Now take the following example to see the difference between an interator of dict and a view of dict >>> d = {"x":5, "y":3} >>> iter = d.iteritems() >>> del d["x"] >>> for i in iter: print...
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Why not inherit from List?

...st<Player> while you're at it, unless you believe that everyone who knows about a football team gets to delete players from the roster. Is inheriting from List<T> always unacceptable? Unacceptable to who? Me? No. When is it acceptable? When you're building a mechanism that ...
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How and when to use ‘async’ and ‘await’

...t need the result of LongRunningOperationAsync can be done here //and now we call await on the task int result = await longRunningTask; //use the result Console.WriteLine(result); } public async Task<int> LongRunningOperationAsync() // assume we return an int from this long...
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Effects of the extern keyword on C functions

...ar.c. Here is foo.c #include <stdio.h> volatile unsigned int stop_now = 0; extern void bar_function(void); int main(void) { while (1) { bar_function(); stop_now = 1; } return 0; } Now, here is bar.c #include <stdio.h> extern volatile unsigned int stop_now; void b...
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Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.

...ing after around 30 seconds of trying to load. I changed it to 120000 and now they load successfully in 3-4 seconds. That's all I changed. Argh. – Brian Knoblauch Jul 25 '17 at 14:38 ...
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How can I use Autolayout to set constraints on my UIScrollview?

... achieve what was a trivial scrollview setup prior to autolayout, and it's now official - I must be too stupid. I am setting this up mostly in Storyboard (well, it's just the way it is). ...
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Error: Cannot pull with rebase: You have unstaged changes

... This seemed to have work but now I am facing another error(started a new questions to not confuse future vistors): stackoverflow.com/questions/23518247/… – user3597950 May 7 '14 at 12:47 ...
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Visual Studio 2010 isn't building before a run when there are code changes

...s set to one of these configurations. Just changed it to Debug_Unicode and now it is building! – sergiol Oct 3 '16 at 17:34 ...
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Apk location in New Android Studio

...ple who might search for answer to this same question, it is important to know what type of projects you are using in Studio. Gradle The default project type when creating new project, and the recommended one in general is Gradle. For a new project called "Foo", the structure under the main folde...
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How to use Chrome's network debugger with redirects

...e network log is preserved on page load. The little red dot on the left now has the purpose to switch network logging on and off completely. Older versions In older versions of Chrome (v21 here), there's a little, clickable red dot in the footer of the "Network" tab. If you hover over it, ...