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Get the index of the nth occurrence of a string?
... (IndexOf will return as soon as it finds the match, and you'll keep going from where it left off.)
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Breaking out of nested loops [duplicate]
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Use itertools.product!
from itertools import product
for x, y in product(range(10), range(10)):
#do whatever you want
break
Here's a link to itertools.product in the python documentation:
http://docs.python.org/library/itertools.html#ite...
Command to get nth line of STDOUT
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From sed1line:
# print line number 52
sed -n '52p' # method 1
sed '52!d' # method 2
sed '52q;d' # method 3, efficient on large files
From awk1line:
# print line number 52...
write a shell script to ssh to a remote machine and execute commands
... What is the scripting language? You can of course also call ssh from any shell script
– Andreas Fester
Dec 18 '12 at 7:31
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Why doesn't a python dict.update() return the object?
...kes extensive use of chaining. Its not discouraged, you could even inherit from dict and only override update to do update and return self, if you really want it.
class myDict(dict):
def update(self, *args):
dict.update(self, *args)
return self
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How to control the line spacing in UILabel
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Starting from iOS 6 you can set an attributed string to the UILabel. Check the following :
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:label.text];
NSMutableParagraphStyle *paragra...
What is the HEAD in git?
...d to as heads - they're stored in refs/heads. Lower-case head is different from HEAD, though. My answer clarifies this a bit.
– Cascabel
Mar 27 '10 at 16:26
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How to get the element clicked (for the whole document)?
...arget.tagName); // to get the element tag name alone
}
to get the text from clicked element
window.onclick = e => {
console.log(e.target.innerText);
}
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Passing variable number of arguments around
...w can I call another function which expects a variable number of arguments from inside of it, passing all the arguments that got into the first function?
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Printing hexadecimal characters in C
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You are probably printing from a signed char array. Either print from an unsigned char array or mask the value with 0xff: e.g. ar[i] & 0xFF. The c0 values are being sign extended because the high (sign) bit is set.
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