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When to use PNG or JPG in iPhone development?
...ou can load the raw JPG data into NSData objects in advance (perhaps in an array or dictionary), and build the JPGs using UIImage:imageFromData when you want to display. The JPG data can be 10-100x smaller than the bitmap image data, but it allows you to get the (relatively slow) IO part out of the ...
How to read/write from/to file using Go?
...
[]byte is a slice (similar to a substring) of all or part of a byte array. Think of the slice as a value structure with a hidden pointer field for the system to locate and access all or part of an array (the slice), plus fields for the length and capacity of the slice, which you can access us...
Can I delete a git commit but keep the changes?
... that stash which looks like this stash@{#} where # is its position in the array of stashes.
To restore a stash (which can be done on any branch, regardless of where the stash was originally created) you simply run...
git stash apply stash@{#}
Again, there # is the position in the array of stash...
Efficient way to remove ALL whitespace from String?
...g RemoveWhitespace(this string input)
{
return new string(input.ToCharArray()
.Where(c => !Char.IsWhiteSpace(c))
.ToArray());
}
I tested it in a simple unit test:
[Test]
[TestCase("123 123 1adc \n 222", "1231231adc222")]
public void RemoveWhiteSpace1(string input, string ...
How do I make an asynchronous GET request in PHP?
...l, $params)
{
foreach ($params as $key => &$val) {
if (is_array($val)) $val = implode(',', $val);
$post_params[] = $key.'='.urlencode($val);
}
$post_string = implode('&', $post_params);
$parts=parse_url($url);
$fp = fsockopen($parts['host'],
iss...
ObjectiveC Parse Integer from String
I'm trying to extract a string (which contains an integer) from an array and then use it as an int in a function. I'm trying to convert it to a int using intValue.
...
Check if a string is html or not
... {
var doc = new DOMParser().parseFromString(str, "text/html");
return Array.from(doc.body.childNodes).some(node => node.nodeType === 1);
}
Notes:1. Array.from is ES2015 method, can be replaced with [].slice.call(doc.body.childNodes).2. Arrow function in some call can be replaced with usua...
Generate a Hash from string in Javascript
... ( faster ) version, which will fail on older browsers who lack the reduce array function.
hashCode = function(s){
return s.split("").reduce(function(a,b){a=((a<<5)-a)+b.charCodeAt(0);return a&a},0);
}
one-liner arrow function version :
hashCode = s => s.split('').re...
What is a raw type and why shouldn't we use it?
...a generic type declaration without an accompanying type argument list.
An array type whose element type is a raw type.
A non-static member type of a raw type R that is not inherited from a superclass or superinterface of R.
Here's an example to illustrate:
public class MyType<E> {
cla...
android get real path by Uri.getPath()
...ntract.getDocumentId(uri);
// Split at colon, use second item in the array
String id = wholeID.split(":")[1];
String[] column = { MediaStore.Images.Media.DATA };
// where id is equal to
String sel = MediaStore.Images.Media._ID + "=?";
Cursor cursor...