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How to disable/enable the sleep mode programmatically in iOS?

...back by overriding the viewWillDisappear: override func viewWillDisappear(_ animated: Bool) { UIApplication.shared.isIdleTimerDisabled = false } More about UIApplication Class. share | impr...
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How to paste yanked text into the Vim command line

...own use (capitalized A to Z are for appending to corresponding registers). _ (acts like /dev/null (Unix) or NUL (Windows), you can write to it but it's discarded and when you read from it, it is always empty), - (small delete register), / (search pattern register, updated when you look for text with...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

... @Science_Fiction: True, but if you add i++ before j++, then both variables will still be in scope when they're used. – Mike Seymour Aug 30 '12 at 9:03 ...
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AngularJS sorting by property

...'s rows in the filter e.g. for(var objectKey in input) { input[objectKey]['_key'] = objectKey; array.push(input[objectKey]); } Like that we can use <div ng-repeat="value in object | orderObjectBy:'order'" ng-init="key = value['_key']"> – Nicolas Janel Jul...
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Restoring Nuget References?

...Sync-References([string]$PackageId) { get-project -all | %{ $proj = $_ ; Write-Host $proj.name; get-package -project $proj.name | ? { $_.id -match $PackageId } | % { Write-Host $_.id; uninstall-package -projectname $proj.name -id $_.id -version $_.version -RemoveDependen...
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Python append() vs. + operator on lists, why do these give different results?

...ut answering the questions asked? People ask why PHP is called PHP and why __lt__ could not be overloaded in Python (nowadays it can). Why-questions are the most essential ones but often the trickiest to answer: they ask for the essence, not for a pointer to the manual. And of course: if you dislike...
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How do I break out of a loop in Scala?

...s a conditional that you test. var sum = 0 (0 to 1000).iterator.takeWhile(_ => sum < 1000).foreach(i => sum+=i) (warning--this depends on details of how the takeWhile test and the foreach are interleaved during evaluation, and probably shouldn't be used in practice!). (1b) Use tail recu...
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ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)

...e : AuthorizeAttribute, IAuthorizationFilter { private readonly string _claim; public ClaimAuthorizeAttribute(string Claim) { _claim = Claim; } public void OnAuthorization(AuthorizationFilterContext context) { var user = context.HttpContext.User; if(...
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What is a NullPointerException, and how do I fix it?

... doSomething() could be written as: /** * @param obj An optional foo for ____. May be null, in which case * the result will be ____. */ public void doSomething(SomeObject obj) { if(obj == null) { //do something } else { //do something else } } Finally, How to pinpo...
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LINQ to SQL Left Outer Join

... Public Sub LinqToSqlJoin07() Dim q = From e In db.Employees _ Group Join o In db.Orders On e Equals o.Employee Into ords = Group _ From o In ords.DefaultIfEmpty _ Select New With {e.FirstName, e.LastName, .Order = o} ObjectDumper.Write(q) End Sub Check http:...