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What does yield mean in PHP?
...alculate and return values while you are looping over it:
foreach (xrange(1, 10) as $key => $value) {
echo "$key => $value", PHP_EOL;
}
This would create the following output:
0 => 1
1 => 2
…
9 => 10
You can also control the $key in the foreach by using
yield $someKey =&g...
Full examples of using pySerial package [closed]
...he device you are connecting to)
ser = serial.Serial(
port='/dev/ttyUSB1',
baudrate=9600,
parity=serial.PARITY_ODD,
stopbits=serial.STOPBITS_TWO,
bytesize=serial.SEVENBITS
)
ser.isOpen()
print 'Enter your commands below.\r\nInsert "exit" to leave the application.'
input=1
whil...
MySQL with Node.js
...) {
// connected! (unless `err` is set)
});
Queries:
var post = {id: 1, title: 'Hello MySQL'};
var query = connection.query('INSERT INTO posts SET ?', post, function(err, result) {
// Neat!
});
console.log(query.sql); // INSERT INTO posts SET `id` = 1, `title` = 'Hello MySQL'
...
Omit rows containing specific column of NA
...ses function and put it into a function thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data[completeVec, ])
}
completeFun(DF, "y")
# x y z
# 1 1 0 ...
Git merge without auto commit
...it is saying Fast Forward
In such situations, you want to do:
git merge v1.0 --no-commit --no-ff
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How do I find a specific table in my EDMX model quickly?
...
179
Click in an open area of the designer:
Go to the Properties tab:
In the dropdown box at...
Literal suffix for byte in .NET?
...
148
There is no mention of a literal suffix on the MSDN reference for Byte as well as in the C# 4....
How do I get logs/details of ansible-playbook module executions?
...
114
If you pass the -v flag to ansible-playbook on the command line, you'll see the stdout and std...
How to name variables on the fly?
...
118
Use assign:
assign(paste("orca", i, sep = ""), list_name[[i]])
...
Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
Ever since I upgraded my Samsung Galaxy S3 to android 4.3 (from 4.1.2) I am unable to use Chrome's remote debugging for android (more details here ).
...