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What does the ^ operator do in Java?
... Shifts the bits of n left p positions. Zero bits are shifted into the low-order positions.
n >> p right shift 5 >> 2 1 Shifts the bits of n right p positions. If n is a 2's complement signed number, the sign bit is shifted into the high-order positions.
n >>> p...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
... ones in it and no evenly spaced 1s, so checking all pairs would be of the order of the square of the number of 1s in it: that's 4k ≈ n1.26 which unfortunately is asymptotically much larger than (n log n). In fact, the worst case is even worse: Leo Moser in 1953 constructed (effectively) such stri...
Where does git config --global get written to?
... it may not be clear what location this corresponds to. But if you look at etc/profile (in C:\Program Files\Git), you'll see:
HOME="$HOMEDRIVE$HOMEPATH"
Meaning:
C:\Users\MyLogin
(on Windows 7)
That means the file is in C:\Users\MyLogin\.gitconfig for Git in Windows 7.
...
Can I “multiply” a string (in C#)?
... the scenes, then mutates it. It doesn't work like a regular List<T> etc.
– Marc Gravell♦
Feb 10 '09 at 16:05
1
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class method generates “TypeError: … got multiple values for keyword argument …”
...t happens when you try to pass positional parameter with wrong
position order along with keyword argument in calling function.
there is difference between parameter and argument you can read in detail about here Arguments and Parameter in python
def hello(a,b=1, *args):
print(a, b, *args)
...
Why have header files and .cpp files? [closed]
...hingElse(); // Defined in B.CPP
}
// B.CPP
void doSomethingElse()
{
// Etc.
}
It won't compile because A.CPP has no way to know "doSomethingElse" exists... Unless there is a declaration in A.CPP, like:
// A.CPP
void doSomethingElse() ; // From B.CPP
void doSomething()
{
doSomethingElse() ...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...le
Run swapon /swapfile
Add this line /swapfile swap swap defaults 0 0 to /etc/fstab
Step 4 is needed if you would like to automatically enable swap file after each reboot.
Some useful command related to SWAP space:
$ swapon -s
$ free -k
$ swapoff -a
$ swapon -a
References:
http://www.thegee...
How to for each the hashmap? [duplicate]
...anything with the combo box once its created. Or are the values not in the order you want? Or did you need the keys instead of the values in the combo box? I think most would agree that any of the 3 answers so far should work fine, so likely there's a problem with apply the answer or another proble...
What is Bootstrap?
...s it's suited best for? (Ie. Temporary sites, small web apps, micro sites, etc?)
– Chuck Le Butt
Jan 28 '16 at 14:58
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...sudo service apache2 restart
or
sudo a2enmod rewrite && sudo /etc/init.d/apache2 restart
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