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iPhone Data Usage Tracking/Monitoring

...istics for each network interface. In general en0 is your Wi-Fi interface and pdp_ip0 is your WWAN interface. There is no good way to get information wifi/cellular network data since, particular date-time! Data statistic (ifa_data->ifi_obytes and ifa_data->ifi_ibytes) are stored from prev...
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What does flushing the buffer mean?

I am learning C++ and I found something that I can't understand: 3 Answers 3 ...
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Run php script as daemon process

I need to run a php script as daemon process (wait for instructions and do stuff). cron job will not do it for me because actions need to be taken as soon as instruction arrives. I know PHP is not really the best option for daemon processes due to memory management issues, but due to various reasons...
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How to get the data-id attribute?

...e info here">My Awesome Div</div> JS var myDiv = document.querySelector('#my-div'); myDiv.dataset.info // "some info here" myDiv.dataset.otherInfo // "more info here" Demo: http://html5demos.com/dataset Full browser support list: http://caniuse.com/#feat=dataset ...
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”

...ng to the properties of said project->java build path->libraries->select "JRE System Library", click Edit and select "Workspace default JRE" – maayank Jan 30 '11 at 9:56 ...
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Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari

I came across Xamarin claims that their Mono implementation on Android and their C# compiled apps are faster than Java code. Did anyone perform actual benchmarks on very similar Java and C# code on different Android platforms to verify such claims, could post the code and results? ...
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How can I test an AngularJS service from the console?

...y code Another useful trick to get the $scope of a particular element. Select the element with the DOM inspection tool of your developer tools and then run the following line ($0 is always the selected element): angular.element($0).scope() ...
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Fast way of finding lines in one file that are not in another?

...ile1 file2 The input files should be sorted for this to work. With bash (and zsh) you can sort in-place with process substitution <( ): diff --new-line-format="" --unchanged-line-format="" <(sort file1) <(sort file2) In the above new and unchanged lines are suppressed, so only changed...
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Sleep Command in T-SQL?

...(@hours * 60) * 60)) - (@mins * 60) IF @hours > 23 BEGIN select @hours = 23 select @mins = 59 select @secs = 59 -- 'maximum wait time is 23 hours, 59 minutes and 59 seconds.' END declare @sql nvarchar(24) = 'WAITFOR DELAY '+char(39)+cast(@hours as nvarchar(2))...
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What happens with constraints when a view is removed

...y the poster in that question did what he did. I've logged this to verify, and when I remove a subview, and check the constraints on the superview, those constraints that pertained to the removed subview are gone. – rdelmar Apr 22 '14 at 15:18 ...