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What is lexical scope?
...ipt our choices for scoping are:
as-is (no scope adjustment)
lexical var _this = this; function callback(){ console.log(_this); }
bound callback.bind(this)
It's worth noting, I think, that JavaScript doesn't really have dynamic scoping. .bind adjusts the this keyword, and that's close, but not t...
Array.push() if does not exist?
... it doesn't then just push the item into the array:
var newItem = "NEW_ITEM_TO_ARRAY";
var array = ["OLD_ITEM_1", "OLD_ITEM_2"];
array.indexOf(newItem) === -1 ? array.push(newItem) : console.log("This item already exists");
console.log(array)
...
How to do URL decoding in Java?
... {
String result = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8.name());
} catch (UnsupportedEncodingException e) {
// not going to happen - value came from JDK's own StandardCharsets
}
Java 10 added direct support for Charset to the API, meaning there's no need to catch Unsuppor...
What are some uses of decltype(auto)?
...p;&
auto x6a = { 1, 2 }; // decltype(x6a) is std::initializer_list<int>
decltype(auto) x6d = { 1, 2 }; // error, { 1, 2 } is not an expression
auto *x7a = &i; // decltype(x7a) is int*
decltype(auto)*x7d = &i; // error, declared type is not plain declt...
Case objects vs Enumerations in Scala
...nswered Dec 14 '09 at 9:27
oxbow_lakesoxbow_lakes
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...
Check if SQL Connection is Open or Closed
... as an enum and not turn it into a string.....
– marc_s
Aug 4 '11 at 15:19
4
Should've added usin...
How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,
...gular expressions' is checked, and put the following as the text to find:
_platformActions.InstallApp\((.+)\)
And the following as the text to replace it with:
this.Platform().App($1).Install()
Note: As SLaks points out in a comment below, the change in regex syntax is due to VS2012 switching to...
Run a Docker image as a container
...must docker commit. You can use the NAME in the commit (e.g. docker commit _NAME_ _imagename_)
– Andy
Aug 24 '15 at 18:56
9
...
How to normalize an array in NumPy?
... answered Jan 9 '14 at 21:15
ali_mali_m
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...
Post JSON using Python Requests
...ost('http://httpbin.org/post', json={"key": "value"})
>>> r.status_code
200
>>> r.json()
{'args': {},
'data': '{"key": "value"}',
'files': {},
'form': {},
'headers': {'Accept': '*/*',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'close',
...