大约有 3,000 项符合查询结果（耗时：0.0201秒） [XML]
How to create NS_OPTIONS-style bitmask enumerations in Swift?
... written lower case by convention.
struct MyOptions : OptionSet {
let rawValue: Int
static let firstOption = MyOptions(rawValue: 1 << 0)
static let secondOption = MyOptions(rawValue: 1 << 1)
static let thirdOption = MyOptions(rawValue: 1 << 2)
}
Instead of pro...
Best practices for storing postal addresses in a database (RDBMS)?
...cs or xNal Standard. How I understand it the name_line is for sending real letters or parcels by mail. The first_name / last_name are only needed if you want to address the customer directly, e.g. by email ("Dear Mister <last_name>"). Or is there any other purpose/ benefit to it?
...
Getting current device language in iOS?
...ge = [[NSLocale preferredLanguages] firstObject];
This will return a two letter code for the currently selected language. "en" for English, "es" for Spanish, "de" for German, etc. For more examples, please see this Wikipedia entry (in particular, the 639-1 column):
List of ISO 639-1 codes
Then i...
Does PNG contain EXIF data like JPG?
...nk in PNG images.
Original: ImageMagick stores EXIF information in a PNG "Raw profile type APP1" zTXt chunk when converting from JPEG images. This method of storing EXIF in PNG images is also supported by ExifTool (and I believe Exiv2 too), but it is not part of the PNG or EXIF specification.
...
Vagrant ssh authentication failure
... vagrant@localhost -p 2222
then copy the public key content from https://raw.githubusercontent.com/mitchellh/vagrant/master/keys/vagrant.pub to the authorised_keys file with the following command
echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFH...
Cannot install packages using node package manager in Ubuntu
..., you can download and install it with the following syntax:
curl https://raw.githubusercontent.com/creationix/nvm/v0.16.1/install.sh | sh
This will download the script and run it. It will install the software into a subdirectory of your home directory at ~/.nvm. It will also add the necessary li...
Extracting text from HTML file using Python
...news.bbc.co.uk/2/hi/health/2284783.stm"
html = urlopen(url).read()
raw = nltk.clean_html(html)
print(raw)
share
|
improve this answer
|
follow
|
...
Generate random string/characters in JavaScript
... your number represented in binary. Similar to hex (base 16), base 36 uses letters to represent digits beyond 9. By converting a random number to base 36, you'll wind up with a bunch of seemingly random letters and numbers.
– Chris Baker
Jan 3 '13 at 20:45
...
Many-to-many relationship with the same model in rails?
... information.
TL;DR
# user.rb
has_many :friendships, :foreign_key => "user_id", :dependent => :destroy
has_many :occurances_as_friend, :class_name => "Friendship", :foreign_key => "friend_id", :dependent => :destroy
..
# friendship.rb
belongs_to :user
belongs_to :friend, :class_n...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...
This is a sledgehammer approach to replacing raw UNICODE with HTML. I haven't seen any other place to put this solution, but I assume others have had this problem.
Apply this str_replace function to the RAW JSON, before doing anything
else.
function unicode2html($str...