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Join a list of strings in python and wrap each string in quotation marks
...
>>> words = ['hello', 'world', 'you', 'look', 'nice']
>>> ', '.join('"{0}"'.format(w) for w in words)
'"hello", "world", "you", "look", "nice"'
share
...
Socket.io rooms difference between broadcast.to and sockets.in
...ocketio, they use rooms).
Send to the sender and noone else
socket.emit('hello', msg);
Send to everyone including the sender(if the sender is in the room) in the room "my room"
io.to('my room').emit('hello', msg);
Send to everyone except the sender(if the sender is in the room) in the room "m...
What is an 'endpoint' in Flask?
...
@app.route('/greeting/<name>')
def give_greeting(name):
return 'Hello, {0}!'.format(name)
Note that the function you referred to (add_url_rule) achieves the same goal, just without using the decorator notation. Therefore, the following is the same:
# No "route" decorator here. We will ...
How can I echo a newline in a batch file?
...
echo hello & echo.world
This means you could define & echo. as a constant for a newline \n.
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improve this answer...
puts vs logger in rails rake tasks
...tputs to STDOUT and log file"
task :test => :environment do
puts "HELLO FROM PUTS"
Rails.logger.info "HELLO FROM LOGGER"
end
end
Running rake stdout_and_log:test outputs
HELLO FROM PUTS
HELLO FROM LOGGER
while
HELLO FROM LOGGER
has been added to log/development.log.
Running r...
Is there a way to specify how many characters of a string to print out using printf()?
...ude <stdio.h>
int main(int argc, char *argv[])
{
const char hello[] = "Hello world";
printf("message: '%.3s'\n", hello);
printf("message: '%.*s'\n", 3, hello);
printf("message: '%.*s'\n", 5, hello);
return 0;
}
Prints:
message: 'Hel'
message: 'Hel'
m...
How can I add a string to the end of each line in Vim?
...
This is the First line.
This is the second.
The third.
To insert " Hello world." (space + clipboard) at the end of each of these lines:
On a character in the first line, press Ctrl-V (or Ctrl-Q if Ctrl-V
is paste).
Press jj to extend the visual block over three lines.
Press $ to extend th...
Collapse sequences of white space into a single character and trim string
...y or use the following Cocoa-native solution:
NSString *theString = @" Hello this is a long string! ";
NSCharacterSet *whitespaces = [NSCharacterSet whitespaceCharacterSet];
NSPredicate *noEmptyStrings = [NSPredicate predicateWithFormat:@"SELF != ''"];
NSArray *parts = [theStri...
PHP: How to handle
...anyway)
$content = simplexml_load_string(
'<content><![CDATA[Hello, world!]]></content>'
);
echo (string) $content;
// or with parent element:
$foo = simplexml_load_string(
'<foo><content><![CDATA[Hello, world!]]></content></foo>'
);
echo (s...
Javascript replace with reference to matched group?
I have a string, such as hello _there_ . I'd like to replace the two underscores with <div> and </div> respectively, using JavaScript . The output would (therefore) look like hello <div>there</div> . The string might contain multiple pairs of underscores.
...