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Efficient way to determine number of digits in an integer
...t numbers
template <>
int numDigits(char n)
{
// if you have the time, replace this with a static initialization to avoid
// the initial overhead & unnecessary branch
static char x[256] = {0};
if (x[0] == 0) {
for (char c = 1; c != 0; c++)
x[c] = numDigi...
How do I fit an image (img) inside a div and keep the aspect ratio?
...lement, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css?
...
Skip List vs. Binary Search Tree
... skip lists but only barely.
transactional skip lists are consistently 2-3 times slower than the locking and non-locking versions.
locking red-black trees croak under concurrent access. Their performance degrades linearly with each new concurrent user. Of the two known locking red-black tree imple...
Refactoring in Vim
...
I agree with the 'Vim is not an IDE' paradigm. But there are times when there isn't an IDE. Here's what I use in those situations:
:grep, :vimgrep, :Ag, :Ggrep
Refactoring that has more to do with regular replacements I usually use :grep on my project tree and then record a macro to ...
Merge multiple lines (two blocks) in Vim
...
You have to press [Enter] after :5 both times you type it or this won't work.
– Shawn J. Goff
May 26 '12 at 4:14
1
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Why is my Git Submodule HEAD detached from master?
I am using Git submodules. After pulling changes from server, many times my submodule head gets detached from master branch.
...
How do I format a date with Dart?
I have an instance of DateTime and I would like to format that to a String. How do I do that? I want to turn the date into a string, something like "2013-04-20".
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How to write very long string that conforms with PEP8 and prevent E501
...ost terminals being unable to show > 80 characters on a line), but over time they become functionally obsolete, but still rigidly adhered to. I guess what you need to do here is weigh up the relative merits of "breaking" that particular suggestion against the readability and mainatinability of y...
What is the 'instanceof' operator used for in Java?
...e used for dog above is of type Object. This is to show instanceof is a runtime operation and brings us to a/the use case: to react differently based upon an objects type at runtime.
Things to note: expressionThatIsNull instanceof T is false for all Types T.
Happy coding.
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Optimum way to compare strings in JavaScript? [duplicate]
... need at least min {a.length, b.length} steps (compare two characters at a time) to determine if the strings are equal or not. (Even localeCompare will do that internally.)
– Gumbo
Jan 30 '10 at 16:49
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