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Iteration ng-repeat only X times in AngularJs
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answered Jul 19 '13 at 0:08
David LinDavid Lin
12.4k55 gold badges4242 silver badges4141 bronze badges
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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...
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 ...
What's the “big idea” behind compojure routes?
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212
Compojure explained (to some degree)
NB. I am working with Compojure 0.4.1 (here's the 0.4.1 r...
How to shuffle a std::vector?
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From C++11 onwards, you should prefer:
#include <algorithm>
#include <random>
auto rng = std::default_random_engine {};
std::shuffle(std::begin(cards_), std::end(cards_), rng);
Live example on Coliru
Make sure to reu...
MongoDB/Mongoose querying at a specific date?
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219
That should work if the dates you saved in the DB are without time (just year, month, day).
Ch...
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'
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How to shrink/purge ibdata1 file in MySQL
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That ibdata1 isn't shrinking is a particularly annoying feature of MySQL. The ibdata1 file can't actually be shrunk unless you delete all databases, remove the files and reload a dump.
But you can configure MySQL so that each table, in...
Creating range in JavaScript - strange syntax
...
+1000
Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.ap...
How to echo with different colors in the Windows command line
...le line in a different color.
Use ANSI Escape Sequences.
Windows before 10 - no native support for ANSI colors on the console
For Windows version below 10, the Windows command console doesn't support output coloring by default. You could install either Cmder, ConEmu, ANSICON or Mintty (used by d...