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Is there a method to generate a UUID with go language
...0x40) & 0x4F // what's the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though.
If you are on ...
Capture keyboardinterrupt in Python without try-except
... capable and readable out of the box, for example:
import atexit
def goodbye():
print "You are now leaving the Python sector."
atexit.register(goodbye)
You can also use it as a decorator (as of 2.6; this example is from the docs):
import atexit
@atexit.register
def goodbye():
print "Y...
How to change node.js's console font color?
...DIT:
For example, \x1b[31m is an escape sequence that will be intercepted by your terminal and instructs it to switch to the red color. In fact, \x1b is the code for the non-printable control character escape. Escape sequences dealing only with colors and styles are also known as ANSI escape code a...
What is the difference between the bridge pattern and the strategy pattern?
...D. The functionality for each button is abstracted from the implementation by the implementer interface.
This allows us to change how the remote will work for each device.
Strategy (Behavioural)
Define a family of algorithms , encapsulate each one and make them interchangeable.
In stra...
PHP ORMs: Doctrine vs. Propel
...
That looks ok, but you still set the property by calling: $x->propname = 'abc'; This is problematic because it doesn't appear to support passing multiple parameters.
– lo_fye
Jan 20 '10 at 17:11
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IntelliJ beginning of file keyboard shortcut
...answered Mar 13 '12 at 19:40
KirbyKirby
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MongoDB/Mongoose querying at a specific date?
...ork since it also mutates today. Calling moment(today) solves that problem by implicitly cloning today.
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Append value to empty vector in R?
...o a vector in a for loop is not really the philosophy in R. R works better by operating on vectors as a whole, as @BrodieG pointed out. See if your code can't be rewritten as:
ouput <- sapply(values, function(v) return(2*v))
Output will be a vector of return values. You can also use lapply if ...
Get form data in ReactJS
...here are a few ways to do this:
1) Get values from array of form elements by index
handleSubmit = (event) => {
event.preventDefault();
console.log(event.target[0].value)
}
2) Using name attribute in html
handleSubmit = (event) => {
event.preventDefault();
console.log(event.target....
Overriding superclass property with different type in Swift
... suggesting that a variable may not be present because it was provided for by a function that no longer returns the expected value. Such cases may happen if the function was overridden. Take a look at my answer for details.
– user1951992
Sep 30 '16 at 6:22
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