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Algorithm for creating a school timetable

...s heuristic. I named it "recursive swapping". Input: a set of activities A_1...A_n and the constraints. Output: a set of times TA_1...TA_n (the time slot of each activity. Rooms are excluded here, for simplicity). The algorithm must put each activity at a time slot, respecting constraints. Each TA...
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URL-parameters and logic in Django class-based views (TemplateView)

...re using a TemplateView which means that you would do the logic in your get_context_data override. – Ngenator Apr 2 '13 at 12:58 4 ...
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Python group by

....groupby but it requires the input to be sorted first. >>> sorted_input = sorted(input, key=itemgetter(1)) >>> groups = groupby(sorted_input, key=itemgetter(1)) >>> [{'type':k, 'items':[x[0] for x in v]} for k, v in groups] [{'items': ['5238761', '5349618', '962142', '779...
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What is the difference between log4net and ELMAH?

...,error) with log4net but store it in ELMAH nuget.org/packages/elmahappender_log4net_1.2.10 – Sturla Feb 18 '14 at 16:21 add a comment  |  ...
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How to fix HTTP 404 on Github Pages?

... In my case, I had folders whose names started with _ (like _css and _js), which GH Pages ignores as per Jekyll processing rules. If you don't use Jekyll, the workaround is to place a file named .nojekyll in the root directory. ...
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Forward declaring an enum in C++

...at takes or returns a C, before fully defining C? – j_random_hacker Mar 26 '09 at 9:01 112 @j_ran...
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UITableView - change section header color

...lor:[UIColor clearColor]]; return headerView; } Swift: func tableView(_ tableView: UITableView!, viewForHeaderInSection section: Int) -> UIView! { let headerView = UIView(frame: CGRect(x: 0, y: 0, width: tableView.bounds.size.width, height: 30)) if (section == integerRepresentingYourSect...
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Exclude a directory from git diff

... -s extglob), you could handle that from the shell side: git diff previous_release current_release !(spec) Saves you having to list all other things. Or, shell-agnostic: git diff previous_release current_release --name-only | grep -v '^spec/' \ | xargs git diff previous_release current_rele...
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How do I verify a method was called exactly once with Moq?

...ic class CalculatorTests { [TestMethod] public void WhenAddIsCalled__ItShouldCallPrint() { /* Arrange */ var iPrinterMock = new Mock<IPrinter>(); // Let's mock the method so when it is called, we handle it iPrinterMock.Setup(x => x.Print(It.IsAny...
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How to turn off INFO logging in Spark?

... Inspired by the pyspark/tests.py I did def quiet_logs(sc): logger = sc._jvm.org.apache.log4j logger.LogManager.getLogger("org"). setLevel( logger.Level.ERROR ) logger.LogManager.getLogger("akka").setLevel( logger.Level.ERROR ) Calling this just after creating...