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Rounding up to next power of 2
...power of 2 number. For example if my input is 789, the output should be 1024. Is there any way of achieving this without using any loops but just using some bitwise operators?
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CSS center text (horizontally and vertically) inside a div block
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1482
If it is one line of text and/or image, then it is easy to do. Just use:
text-align: center;
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sed in-place flag that works both on Mac (BSD) and Linux
... and the dot.
Proof:
# GNU sed
% sed --version | head -1
GNU sed version 4.2.1
% echo 'foo' > file
% sed -i.bak 's/foo/bar/' ./file
% ls
file file.bak
% cat ./file
bar
# BSD sed
% sed --version 2>&1 | head -1
sed: illegal option -- -
% echo 'foo' > file
% sed -i.bak 's/foo/bar/' ./f...
Include jQuery in the JavaScript Console
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1405
Run this in your browser's JavaScript console, then jQuery should be available...
var jq = do...
Converting String to Int with Swift
...answerLabel.text = "Input values are not numeric"
}
Update for Swift 4
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let a:Int? = Int(firstText.text) // firstText is UITextField
let b:Int? = Int(secondText.text) // secondText is UITextField
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share
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How to check if a python module exists without importing it
...ss(type(spam_loader), importlib.machinery.SourceFileLoader)
Python3 ≥ 3.4
In Python3.4 importlib.find_loader python docs was deprecated in favour of importlib.util.find_spec. The recommended method is the importlib.util.find_spec. There are others like importlib.machinery.FileFinder, which is us...
Should arrays be used in C++?
...dasblinkenlightdasblinkenlight
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3
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Accessing items in an collections.OrderedDict by index
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edited Apr 4 '15 at 3:21
answered Apr 7 '12 at 20:46
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How to convert NSNumber to NSString
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Tim Cooper
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answered Oct 19 '10 at 15:29
JonLOoJonLOo
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How exactly does the callstack work?
... the return address.
2 Note that the registers that start with R are the 64-bit counterparts of the ones that start with E. EAX designates the four low-order bytes of RAX. I used the names of the 32-bit registers for clarity.
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