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Can I force a UITableView to hide the separator between empty cells? [duplicate]
...ing a footer for the tableview. See this answer for more details:Eliminate Extra separators below UITableView
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Is there shorthand for returning a default value if None in Python? [duplicate]
... I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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What's the difference between using “let” and “var”?
...e initialization is processed." That means that the 'identifier' (the text-string 'reserved' to point to 'something') is already reserved in the relevant scope, otherwise it would become part of the root/host/window scope. To me personally, 'hoisting' means nothing more than reserving/linking declar...
How to set DOM element as the first child?
...osition relative to the element it is invoked upon.
position
A DOMString representing the position relative to the element; must be one of the following strings:
beforebegin: Before the element itself.
afterbegin: Just inside the element, before its first child.
beforeend: Just inside...
How does free know how much to free?
...e technique in my own functions to save me from needing to cart around the extra variable of the array's length?
11 Answers...
Use of 'const' for function parameters
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Extra Superfluous const are bad from an API stand-point:
Putting extra superfluous const's in your code for intrinsic type parameters passed by value clutters your API while making no meaningful promise to the caller or API ...
How do you sort an array on multiple columns?
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A good way to sort on many fields that are strings is to use toLocaleCompare and the boolean operator ||.
Something like:
// Sorting record releases by name and then by title.
releases.sort((oldRelease, newRelease) => {
const compareName = oldRelease.name.local...
Command line progress bar in Java
...he thing to do is to print your progress bar, for example, by printing the string
"|======== |\r"
On the next tick of the progress bar, overwrite the same line with a longer bar. (because we are using \r, we stay on the same line) For example:
"|========= |\r"
What you have to re...
jQuery callback on image load (even when the image is cached)
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/**
* Trigger a callback when the selected images are loaded:
* @param {String} selector
* @param {Function} callback
*/
var onImgLoad = function(selector, callback){
$(selector).each(function(){
if (this.complete || /*for IE 10-*/ $(this).height() > 0) {
callback.ap...
How to make a smaller RatingBar?
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you can remove some extra padding by specifying height of rating bar ex : android:layout_height="40dp"
– Manohar Reddy
Aug 28 '17 at 13:43
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