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Is it possible to install iOS 6 SDK on Xcode 5?
...find a place where it allows downloading of iOS 6 SDK, thus it is not possible to set the active SDK to iOS 6 when developing with Xcode 5. Is there a workaround that would allow Xcode 5 to install iOS 6 SDK?
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Why doesn't Java Map extend Collection?
I was surprised by the fact that Map<?,?> is not a Collection<?> .
9 Answers
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Mimicking sets in JavaScript?
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If you are programming in an ES6-capable environment (such as node.js, a specific browser with the ES6 capabilities you need or transpiling ES6 code for your environment), then you can use the Set object built into ES6. It has very nice capabilities and can be ...
Should I pass an std::function by const-reference?
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If you want performance, pass by value if you are storing it.
Suppose you have a function called "run this in the UI thread".
std::future<void> run_in_ui_thread( std::function<void()> )
which runs some code in the "ui" thread, then signals...
Constructor initialization-list evaluation order
... arguments. I had assumed that they were constructed in the order listed, but in one case it appears they were being constructed in reverse resulting in an abort. When I reversed the arguments the program stopped aborting. This is an example of the syntax I'm using. The thing is, a_ needs to be i...
How do ACID and database transactions work?
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ACID is a set of properties that you would like to apply when modifying a database.
Atomicity
Consistency
Isolation
Durability
A transaction is a set of related changes which is used to achieve some of the ACID properties. Transactions are tools to achieve the ACID properties.
Atomicity me...
Why does Enumerable.All return true for an empty sequence? [duplicate]
...tring, then tries to determine if all the elements in the collection are "ABC".
If you run it, b will be true.
7 Answers
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What does “not run” mean in R help pages?
Sometimes on an R help page the phrase "not run" appears in comments. Check out this from the help page for "with()":
5 Ans...
Float vs Decimal in ActiveRecord
...d data types confuse me. Err, often. One of my eternal questions is, for a given case,
3 Answers
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AngularJS - How to use $routeParams in generating the templateUrl?
...way to inject and use the $routeParams service (which I would assume would be a better solution) I tried this thinking it might work:
angular.module('myApp', []).
config(function ($routeProvider, $routeParams) {
$routeProvider.when('/:primaryNav/:secondaryNav', {
templateUrl...