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ActiveRecord: size vs count
...of new messages, total elements when only a page is going to be displayed, etc.
length
Loads the required data, i.e. the query as required, and then just counts it. The way to go if you are using the data.
Example: Summary of a fully loaded table, titles of displayed data, etc.
size
It checks i...
How to correctly implement custom iterators and const_iterators?
...
Choose type of iterator which fits your container: input, output, forward etc.
Use base iterator classes from standard library. For example, std::iterator with random_access_iterator_tag.These base classes define all type definitions required by STL and do other work.
To avoid code duplication iter...
If threads share the same PID, how can they be identified?
...ad ID's are usually managed by the thread library itself (such as pthread, etc...). If the 4 threads are started they should have the same PID. The kernel itself will handle thread scheduling and such but the library is the one that is going to be managing the threads (whether they can run or not de...
AngularJS error: 'argument 'FirstCtrl' is not a function, got undefined'
...
Another noob error: Rouge parenthesis, etc. in the controller can cause the same type of error to be displayed in the console.
– user2938649
Nov 2 '16 at 14:02
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Getting a structural type with an anonymous class's methods from a macro
...hat class that's statically typed as a structural type with those methods, etc. This is possible with the macro system in 2.10.0, and the type member part is extremely easy:
...
Do I cast the result of malloc?
... if it's not you who frees the memory but maybe a C library you are using, etc. Many possible problems without any gain.
– quinmars
Mar 4 '09 at 8:53
88
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How to download Xcode DMG or XIP file?
...loading anything below.
*(Newest on top. For each minor version (6.3, 5.1, etc.) only the latest revision is kept in the list.)
Xcode 12
12.2 beta
12 (Requires macOS 10.15.4 or later) (Latest as of 17-Sept-2020)
Xcode 11
11.7 (Latest as of Sept 02 2020)
11.6
11.5
11.4.1 (Requires macOS 10.1...
How to prevent long words from breaking my div?
... but display:table on other elements is fine. It will be as quirky (and stretchy) as old-school tables:
div.breaking {
display: table-cell;
}
overflow and white-space: pre-wrap answers below are good too.
share
...
Create tap-able “links” in the NSAttributedString of a UILabel?
...xtView instead of a UILabel, then it is easy. Standard URLs, phone numbers etc will be automatically detected (and be clickable).
However, if you need custom detection, that is, if you want to be able to call any custom method after a user clicks on a particular word, you need to use NSAttributedS...
How to include view/partial specific styling in AngularJS
...customize where the stylesheets are injected: head, body, custom selector, etc...
Supports preloading, persisting and cache busting
Supports media queries and optimizes page load via matchMedia API
https://github.com/door3/angular-css
Here are some examples:
Routes
$routeProvider
.when('/...