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Usage of protocols as array types and function parameters in swift
...ment)
}
func removeElement(element: ElementType) {
if let index = find(self.protocols, element) {
self.protocols.removeAtIndex(index)
}
}
}
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difference between primary key and unique key
...erent for Primary and Unique Key.
By Default:
PK creates a Clustered index and UK creates a Non Clustered Index.
PK is not null, but UK allows nulls (Note: By Default)
There can only be one and only one PK on a table, but there can be multiple UK's
You can override the default implementation ...
Case insensitive replace
...replace(old, new, text):
idx = 0
while idx < len(text):
index_l = text.lower().find(old.lower(), idx)
if index_l == -1:
return text
text = text[:index_l] + new + text[index_l + len(old):]
idx = index_l + len(new)
return text
...
Remove characters after specific character in string, then remove substring?
...his
string input = "http://www.somesite.com/somepage.aspx?whatever";
int index = input.IndexOf("?");
if (index > 0)
input = input.Substring(0, index);
Edit: If everything after the last slash, do something like
string input = "http://www.somesite.com/somepage.aspx?whatever";
int index = ...
Ignore files that have already been committed to a Git repository [duplicate]
...repository that I added a .gitignore file to. How can I refresh the file index so the files I want ignored get ignored?
2...
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
...
What's the difference between git reset --mixed, --soft, and --hard?
...nstaged. In order to commit it, you must stage it—that is, add it to the index—using git add. When you make a commit, the changes that are committed are those that have been added to the index.
git reset changes, at minimum, where the current branch (HEAD) is pointing. The difference between --...
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.
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Does Dart support enumerations?
... print(Status.values);
Status.values.forEach((v) => print('value: $v, index: ${v.index}'));
print('running: ${Status.running}, ${Status.running.index}');
print('running index: ${Status.values[1]}');
}
[Status.none, Status.running, Status.stopped, Status.paused]
value: Status.none, in...
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');
}
}...