大约有 44,000 项符合查询结果（耗时：0.0582秒） [XML]
What is a sealed trait?
...ds Answer
case object No extends Answer
The compiler will emit a warning if a match is not exhaustive:
scala> val x: Answer = Yes
x: Answer = Yes
scala> x match {
| case No => println("No")
| }
<console>:12: warning: match is not exhaustive!
missing combination ...
Copying text with color from Notepad++
...gin called NppExport that does just that in a couple of available formats. If you don't have NppExport yet, you can download it through the inbuilt plugin manager.
update As of version 6.1.5 (or maybe earlier) this ships with a standard install of Notepad++
update As of 2019 NppExport is not inc...
High performance fuzzy string comparison in Python, use Levenshtein or difflib [closed]
...In case you're interested in a quick visual comparison of Levenshtein and Difflib similarity, I calculated both for ~2.3 million book titles:
import codecs, difflib, Levenshtein, distance
with codecs.open("titles.tsv","r","utf-8") as f:
title_list = f.read().split("\n")[:-1]
for row in ti...
Use Expect in a Bash script to provide a password to an SSH command
...
it works great, thanks. What if I want to type in command once I'm logged in via SSH, what do I need to do?
– Max
Jan 25 '11 at 13:28
...
How to extract public key using OpenSSL?
...
If you got the same problem as @kavain where it asks you for the passphrase you didn't put, and you're using your key with ssh -i, make sure you're linking to your private key there, not the public one
–...
What does the smiley face “:)” mean in CSS?
...le at javascriptkit.com, that's applied for IE 7 and earlier versions:
if you add a non-alphanumeric character such as an asterisk (*) immediately before a property name, the property will be applied in IE and not in other browsers.
Also there's a hack for <= IE 8:
div {
color: blue; ...
Bug With Firefox - Disabled Attribute of Input Not Resetting When Refreshing
I've found what I believe to be a bug with Firefox and I'm wondering if this actually is a bug, as well as any workarounds for this.
...
How to convert latitude or longitude to meters?
If I have a latitude or longitude reading in standard NMEA format is there an easy way / formula to convert that reading to meters, which I can then implement in Java (J9)?
...
JavaScript: clone a function
... return that.apply(this, arguments); };
for(var key in this) {
if (this.hasOwnProperty(key)) {
temp[key] = this[key];
}
}
return temp;
};
alert(x === x.clone());
alert(x() === x.clone()());
alert(t === t.clone());
alert(t(1,1,1) === t.clone()(1,1,1));
alert(...
Dashed line border around UIView
...:yourView.bounds].CGPath;
[yourView.layer addSublayer:yourViewBorder];
Swift 3.1
var yourViewBorder = CAShapeLayer()
yourViewBorder.strokeColor = UIColor.black.cgColor
yourViewBorder.lineDashPattern = [2, 2]
yourViewBorder.frame = yourView.bounds
yourViewBorder.fillColor = nil
yourViewBorder.path...