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How can I disable ARC for a single file in a project?
...ssfully in my project. However, I have encountered a few files (e.g., in unit tests and mock objects) where the rules of ARC are a little more fragile right now. I recall hearing that there was a way to disable ARC on a per-file basis, though I have been unable to find this option.
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How do I change the formatting of numbers on an axis with ggplot?
...me data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a proper exponent notation would also be acceptable.
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Using a BOOL property
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Apple simply recommends declaring an isX getter for stylistic purposes. It doesn't matter whether you customize the getter name or not, as long as you use the dot notation or message notation with the correct name. If you're going to use the dot notation it makes no difference, you still access i...
Base64 Java encode and decode a string [duplicate]
I want to encode a string into base64 and transfer it through a socket and decode it back.
6 Answers
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How is the “greater than” or “>” character used in CSS?
... seen this character a number of times in CSS files but I have no idea how its used. Can anyone explain it to me and show how they are useful in making a page style easier?
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How to detect UI thread on Android?
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Common practice to determine the UI Thread's identity is via Looper#getMainLooper:
if (Looper.getMainLooper().getThread() == Thread.currentThread()) {
// On UI thread.
} else {
// Not on UI thread.
}
From API level 23 and up, there's a slightly more readable approach ...
How to test multiple variables against a value?
...ted as (x or y or z) == 1 instead, this would still not do what you expect it to do.
x or y or z would evaluate to the first argument that is 'truthy', e.g. not False, numeric 0 or empty (see boolean expressions for details on what Python considers false in a boolean context).
So for the values x...
Java array reflection: isArray vs. instanceof
...n at compile time. For example, perhaps you wrote some code that can work with a Integer[] or an int[]. You'd want to guard your casts with instanceof:
if (obj instanceof Integer[]) {
Integer[] array = (Integer[]) obj;
/* Use the boxed array */
} else if (obj instanceof int[]) {
int[] a...
Submitting a form on 'Enter' with jQuery?
... bog-standard login form - an email text field, a password field and a submit button on an AIR project that's using HTML/jQuery. When I hit Enter on the form, the entire form's contents vanish, but the form isn't submitted. Does anyone know if this is a Webkit issue (Adobe AIR uses Webkit for HTML...
chart.js load totally new data
The API for chart.js allows one to edit points of the datasets loaded into it, for example:
19 Answers
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