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How to get default gateway in Mac OSX
...et www.yahoo.com
The output would be similar to:
route to: 98.137.149.56
destination: default
mask: 128.0.0.0
gateway: 5.5.0.1
interface: tun0
flags: <UP,GATEWAY,DONE,STATIC,PRCLONING>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
...
Compare version numbers without using split function
...ic class Program
{
static void Main()
{
string v1 = "1.23.56.1487";
string v2 = "1.24.55.487";
var version1 = new Version(v1);
var version2 = new Version(v2);
var result = version1.CompareTo(version2);
if (result > 0)
Console.W...
Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
...
Find XOR of all numbers in a given range
...
Shahbaz
41.1k1616 gold badges100100 silver badges160160 bronze badges
answered May 20 '12 at 3:13
FatalErrorFatalEr...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...
26
Since dplyr 0.8 group_by gained the .drop argument that does just what you asked for:
df = data...
Which is better, number(x) or parseFloat(x)?
...eFloat does not:
parseFloat('0x10'); // => 0
Number('0x10'); // => 16
But Number acts weird with empty strings or strings containing only white space:
parseFloat(''); // => NaN
Number(''); // => 0
parseFloat(' \r\n\t'); // => NaN
Number(' \r\n\t'); // => 0
On the whole, I fin...
What is the easiest way to push an element to the beginning of the array?
...
6 Answers
6
Active
...
How do you push a Git tag to a branch using a refspec?
...
61
It is probably failing because 1.0.0 is an annotated tag. Perhaps you saw the following error m...
Is MATLAB OOP slow or am I doing something wrong?
...ing each function/method 100000 times
nop() function: 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunction: 0.02244 sec 0.22 usec per call
@()[] anonymous function: 0.08461 sec 0.85 usec per call
no...
Difference between exit(0) and exit(1) in Python
...xit(-1) ?
– Faizan
Apr 1 '14 at 10:46
17
@Faizan: The exit code is an 8-bit value on Unix. If yo...