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Xcode 5 & Asset Catalog: How to reference the LaunchImage?
I am using Xcode 5's Asset Catalog, and I would like to use my LaunchImage as the background image of my home view (a pretty common practice to make the transition from 'loading' to 'loaded' look smooth).
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How to convert latitude or longitude to meters?
...), Math.sqrt(1-a));
var d = R * c;
return d * 1000; // meters
}
Explanation: https://en.wikipedia.org/wiki/Haversine_formula
The haversine formula determines the great-circle distance between two points on a sphere given their longitudes and latitudes.
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Are nested try/except blocks in python a good programming practice?
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Your first example is perfectly fine. Even the official Python docs recommend this style known as EAFP.
Personally, I prefer to avoid nesting when it's not necessary:
def __getattribute__(self, item):
try:
return object.__g...
How to get GET (query string) variables in Express.js on Node.js?
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In Express it's already done for you and you can simply use req.query for that:
var id = req.query.id; // $_GET["id"]
Otherwise, in NodeJS, you can access req.url and the builtin url module to url.parse it manually:
var url = re...
Access Control Request Headers, is added to header in AJAX request with jQuery
I would like to add a custom header to an AJAX POST request from jQuery.
6 Answers
6
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Build Android Studio app via command line
...ting apk can then be found in app/build/outputs/apk/app-debug.apk. On a *nix machine, you can also just run find . -name '*.apk' to find it, if it's not there.
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How to randomly select rows in SQL?
...ave a table "customerNames" which has two columns "Id" and "Name" and approx. 1,000 results.
11 Answers
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Cannot set content-type to 'application/json' in jQuery.ajax
...y qualify the name of the host, just use a relative URL as below.
$.ajax({
type: "POST",
contentType: "application/json",
url: '/Hello',
data: { name: 'norm' },
dataType: "json"
});
An example of mine that works:
$.ajax({
type: "POST",
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How to list variables declared in script in bash?
...ortunately it will also output the functions defines as well.
Luckily POSIX mode only outputs the variables:
( set -o posix ; set ) | less
Piping to less, or redirect to where you want the options.
So to get the variables declared in just the script:
( set -o posix ; set ) >/tmp/variables....