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Call asynchronous method in constructor?
...GetJsonAsync("1");
JObject obj = JObject.Parse(jsonData);
JArray array = (JArray)obj["posts"];
for (int i = 0; i < array.Count; i++)
{
Writing writing = new Writing();
writing.content = JsonDataManager.JsonParse(array, i, "content");
...
What does curly brackets in the `var { … } = …` statements do?
...uring:
Destructuring assignment makes it possible to extract data from arrays or objects using a syntax that mirrors the construction of array and object literals.
...
One particularly useful thing you can do with destructuring assignment is to read an entire structure in a single statement,...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...aheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create literals for NSString)
NSArray Literals
Previously:
array = [NSArray arrayWithObjects:a, b, c,...
Remove new lines from string and replace with one empty space
... this one, although the code doesn't look as clean:
$string = str_replace(array("\n", "\r"), '', $string);
See it live on ideone
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Wait for all promises to resolve
...No mirrors for: ' + img_tags[y].getAttribute('src'));
}
}
var promise_array = [];
for (var y = 0; y < img_tags.length; y++) {
var img_src = img_tags[y].getAttribute('src');
promise_array.push(
checkMirrorAvailability(img_src)
.then(
// a callback functi...
Ruby: How to turn a hash into HTTP parameters?
...ing Ruby 1.9.2 or later, you can use URI.encode_www_form if you don't need arrays.
E.g. (from the Ruby docs in 1.9.3):
URI.encode_www_form([["q", "ruby"], ["lang", "en"]])
#=> "q=ruby&lang=en"
URI.encode_www_form("q" => "ruby", "lang" => "en")
#=> "q=ruby&lang=en"
URI.encode_ww...
How to initialize HashSet values by construction?
...ent, but fits on a single line:
Set<String> h = new HashSet<>(Arrays.asList("a", "b"));
Again, this is not time efficient since you are constructing an array, converting to a list and using that list to create a set.
When initializing static final sets I usually write it like this:
...
Plotting a list of (x, y) coordinates in python matplotlib
...
For a 2-column numpy array, plt.scatter( * xy.T ) works: short and obscure for x, y = xy.T; plt.scatter( x, y )
– denis
Jul 14 '16 at 16:43
...
how to replicate pinterest.com's absolute div stacking layout [closed]
...mine column width
Determine margin between columns (the gutter)
Setup an array:
Get the width of the parent container; calculate the # of columns that will fit
Create an empty array, with a length equaling the # of columns. Use this array to store the height of each column as you build the layou...
Pass Variables by Reference in Javascript
...dbye" instead of "hello world"
You can iterate over the properties of an array with a numeric index and modify each cell of the array, if you want.
var arr = [1, 2, 3];
for (var i = 0; i < arr.length; i++) {
arr[i] = arr[i] + 1;
}
It's important to note that "pass-by-reference" is a v...