I would like to store a command to use at a later period in a variable (not the output of the command, but the command itself) ...

... I found that doing cars.pop(0) and cars.pop() works well. – dreamwork801 Oct 23 '18 at 13:37 ...

...es of the target, it maps all refs (including remote branches, notes etc.) and sets up a refspec configuration such that all these refs are overwritten by a git remote update in the target repository. My original answer also noted the differences between a bare clone and a normal (non-bare) clone ...

I like the output formatting of git diff . The color and the + / - representation of changes between lines is easier to read than GNU diff. ...

... The use of [@] and double quotes means it's not a "space separated list of words". You get the list of actual array keys, even if the individual keys contain whitespace. – glenn jackman Aug 21 '16 at 1...

...I see Θ(n) with the strange Θ symbol with something in the middle of it, and sometimes just O(n). Is it just laziness of typing because nobody knows how to type this symbol, or does it mean something different? ...

...ope for all watches $digest runs it, gets current value (watch.get(scope)) and compares it to watch.last. If current value is not equal to watch.last (always for first compare) $digest sets dirty to true. When all scopes are processed if dirty == true $digest starts another depth-first traversal fro...

PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...

Is there a way in which we can implement onBackPressed() in Android Fragment similar to the way in which we implement in Android Activity? ...

... the question as to why not List<T>, The reasons are future-proofing and API simplicity. Future-proofing List<T> is not designed to be easily extensible by subclassing it; it is designed to be fast for internal implementations. You'll notice the methods on it are not virtual and so can...