What's the difference between constexpr and const ? 9 Answers 9 ...

... items for you: >>> from collections import Counter >>> x = Counter({'a':5, 'b':3, 'c':7}) >>> x.most_common() [('c', 7), ('a', 5), ('b', 3)] It'll do so in the most efficient manner possible; if you ask for a Top N instead of all values, a heapq is used instead of a st...

...g in an array. So, to sum it all up: ptr++; // Pointer moves to the next int position (as if it was an array) ++ptr; // Pointer moves to the next int position (as if it was an array) ++*ptr; // The value of ptr is incremented ++(*ptr); // The value of ptr is incremented ++*(ptr); // The va...

...are useful: I use bitwise operations a lot when working with flags. For example, if you want to pass a series of flags to an operation (say, File.Open(), with Read mode and Write mode both enabled), you could pass them as a single value. This is accomplished by assigning each possible flag it's o...

...hrough the custom HTTP headers in the web site's properties (IIS6) and set X-UA-Compatible there. The meta tag doesn't override IE's intranet setting in Compatibility View Settings, but if you set it at the hosting server it will override the compatibility. Example for web.config in IIS7: <sys...

... The reason why ("x="+x) gives "x=value" and not "x=tostring" is the following. When evaluating "+", javascript first collects primitive values of the operands, and then decides if addition or concatenation should be applied, based on the type...

... My 2 cents for golfers: b="1,2,3,4".split`,`.map(x=>+x) backquote is string litteral so we can omit the parenthesis (because of the nature of split function) but it is equivalent to split(','). The string is now an array, we just have to map each value with a function ...

I would like to use jQuery to get the X/Y coordinates of a click event on an image. The coordinates should be relative to the image, not relative to the whole page ...

But how do I describe how the parameters object should be structured? For example it should be something like: 6 Answers ...

...t like this: my_string = '12.34' is_number?( my_string ) # => true Extend String Class. If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, then you need to define is_number? as an extension of the String class, like so: ...