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How do you use the ? : (conditional) operator in JavaScript?
Can someone please explain to me in simple words what is the ?: (conditional, "ternary") operator and how to use it?
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Is !important bad for performance?
...CSS parser at /source/layout/style/nsCSSDataBlock.cpp#572 and I think that is the relevant routine, handling overwriting of CSS rules.
it just seems to be an simple check for "important".
if (aIsImportant) {
if (!HasImportantBit(aPropID))
changed = PR_TRUE;
SetImportantBit(aPropID)...
Is there any difference between “!=” and “” in Oracle Sql?
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No there is no difference at all in functionality.
(The same is true for all other DBMS - most of them support both styles):
Here is the current SQL reference: https://docs.oracle.com/database/121/SQLRF/conditions002.htm#CJAGAABC
T...
Test whether string is a valid integer
...e script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it apart char by char.
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How to check that an object is empty in PHP?
How to find if an object is empty or not in PHP.
11 Answers
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Conditional formatting based on another cell's value
I'm using Google Sheets for a daily dashboard. What I need is to change the background color of cell B5 based on the value of another cell - C5. If C5 is greater than 80% then the background color is green but if it's below, it will be amber/red.
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Most efficient way to store thousand telephone numbers
This is a google interview question:
13 Answers
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Why does jQuery or a DOM method such as getElementById not find the element?
... to the DOM and scripts are (generally) executed as they're encountered. This means that order matters. Typically, scripts can't find elements which appear later in the markup because those elements have yet to be added to the DOM.
Consider the following markup; script #1 fails to find the <div&...
What is the maximum length of a valid email address?
What is the maximum length of a valid email address? Is it defined by any standard?
6 Answers
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Putting license in each code file? [closed]
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edited Sep 10 '18 at 10:57
Michael Dorner
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