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Difference between variable declaration syntaxes in Javascript (including global variables)?
...here are a couple of differences, though in practical terms they're not usually big ones.
There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have:
var a = 0; // 1
let a = 0; // 1...
Is there a way to programmatically scroll a scroll view to a specific edit text?
...way to scroll to an EditText object (or any other view object) programmatically?
22 Answers
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Defining an array of anonymous objects in CoffeeScript
... define an array of anonymous objects in CoffeeScript? Is this possible at all, using the YAML syntax?
9 Answers
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How to concatenate strings in twig
...like Alessandro said, and here it is in the documentation:
~: Converts all operands into strings and concatenates them. {{ "Hello
" ~ name ~ "!" }} would return (assuming name is 'John') Hello John!. – http://twig.sensiolabs.org/doc/templates.html#other-operators
And here is an example so...
Smart way to truncate long strings
...
Essentially, you check the length of the given string. If it's longer than a given length n, clip it to length n (substr or slice) and add html entity … (…) to the clipped string.
Such a method looks like
function tru...
Rails Object to hash
...ly attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
...
How do I declare a global variable in VBA?
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I tried all the other suggestions about "scope" and none worked. The only thing that worked was a new Module specifically for global vars and it works!
– Fandango68
Sep 27 '19 at 4:23
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Git Blame Commit Statistics
... path or modify your path and use it like
git authors '*/*.c' # look for all files recursively ending in .c
git authors '*/*.[ch]' # look for all files recursively ending in .c or .h
git authors 'Makefile' # just count lines of authors in the Makefile
Original Answer
While the accepted answer d...
Function for Factorial in Python
...The concept used here is called recursion ( en.wikipedia.org/wiki/Recursion_(computer_science) ) - a function calling itself is perfectly fine and often useful.
– schnaader
Nov 7 '14 at 10:06
...
Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
...he tableView's tableHeaderView = nil.
Because my tableView has a dynamically appearing tableHeaderView, when I need to hide the tableHeaderView, instead of doing self.tableView.tableHeaderView = nil;, I do:
self.tableView.tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, sel...