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node.js: read a text file into an array. (Each line an item in the array.)
... = '';
input.on('data', function(data) {
remaining += data;
var index = remaining.indexOf('\n');
while (index > -1) {
var line = remaining.substring(0, index);
remaining = remaining.substring(index + 1);
func(line);
index = remaining.indexOf('\n');
}
}...
Convert list of dictionaries to a pandas DataFrame
...
How might one use one of the key/value pairs as the index (eg. time)?
– CatsLoveJazz
Jun 28 '16 at 13:37
6
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Add a new element to an array without specifying the index in Bash
... an assignment statement is assigning a value to a shell variable or array index (see Arrays), the ‘+=’ operator can be used to append to or add to the variable's previous value.
share
|
improv...
What does the Reflect object do in JavaScript?
...sides that, they make sense, already have a good explanation and touch the question's apply example.)
More useful return values
Many operations in Reflect are similar to ES5 operations defined on Object, such as Reflect.getOwnPropertyDescriptor and Reflect.defineProperty. However, whereas Object....
How do you list the primary key of a SQL Server table?
..., how do you list the primary key of a table with T-SQL? I know how to get indexes on a table, but can't remember how to get the PK.
...
Remove last character from string. Swift language
...opLast()) // "Hello, Worl"
str.remove(at: str.index(before: str.endIndex)) // "d"
str // "Hello, Worl" (modifying)
Swift 3.0
The APIs have gotten a bit more swifty, and as a result the Foundation extension has changed ...
Disable intellij indexing on specific folder
...is created/updated when I deploy my app locally. Is it possible to disable indexing on that folder? Everything slows down whenever I deploy and it's really annoying - I have to wait a few minutes whilist intellij doing unnecessary indexing. In module view I excluded that folder but it's not helping....
How can I check if a single character appears in a string?
...
You can use string.indexOf('a').
If the char a is present in string :
it returns the the index of the first occurrence of the character in
the character sequence represented by this object, or -1 if the
character does not occur.
...
When to use LinkedList over ArrayList in Java?
...ll have different algorithmic runtimes.
For LinkedList<E>
get(int index) is O(n) (with n/4 steps on average), but O(1) when index = 0 or index = list.size() - 1 (in this case, you can also use getFirst() and getLast()). One of the main benefits of LinkedList<E>
add(int index, E elemen...
Each for object? [duplicate]
...api.jquery.com/jQuery.each/ The below should work
$.each(object, function(index, value) {
console.log(value);
});
Another option would be to use vanilla Javascript using the Object.keys() and the Array .map() functions like this
Object.keys(object).map(function(objectKey, index) {
var v...