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sql query to return differences between two tables
...g to compare two tables, SQL Server, to verify some data. I want to return all the rows from both tables where data is either in one or the other. In essence, I want to show all the discrepancies. I need to check three pieces of data in doing so, FirstName, LastName and Product.
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How do I select elements of an array given condition?
... (x > 1) & (x < 5) forces the inequalities to evaluate first, so all of the operations occur in the intended order and the results are all well-defined. See docs here.
– calavicci
Nov 16 '17 at 17:58
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How to remove element from array in forEach loop?
...);
}
log(review);
<pre id="out"></pre>
But you specifically want to use ES5 Array.prototype.forEach, so what can we do? Well we need to use Array.prototype.slice to make a shallow copy of the array and Array.prototype.reverse so we can work in reverse to mutate the original array...
Globally override key binding in Emacs
How can I set a key binding that globally overrides and takes precedence over all other bindings for that key? I want to override all major/minor mode maps and make sure my binding is always in effect.
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How to compare software version number using js? (only number)
...from the two arrays; if the parts are not equal we know which version is smaller.
There are a few of important details to keep in mind:
How should the parts in each pair be compared? The question wants to compare numerically, but what if we have version strings that are not made up of just digits...
Why does the Scala compiler disallow overloaded methods with default arguments?
... such method overloadings could become ambiguous, why does the compiler disallow code which is neither ambiguous at compile time nor at run time?
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Are inline virtual functions really a non-sense?
... excerpt from the excellent C++ faq:
"The only time an inline virtual call
can be inlined is when the compiler
knows the "exact class" of the object
which is the target of the virtual
function call. This can happen only
when the compiler has an actual object
rather than a pointer or ...
Regex - how to match everything except a particular pattern
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He failed mention it in the question, but the OP is actually using the DOS findstr command. It affords only a tiny subset of the capabilities you expect to find in a regex tool; lookahead is not among them. (I just added the findstr tag myself.)
– Alan Moor...
Copy a variable's value into another
...t.
Any change you make to the contents of this object will be seen identically whether you reference it through the a variable or the b variable. They are the same object.
So, when you later try to "revert" b to the original a object with this code:
b = a;
The code actually does nothing at all,...
RGB to hex and hex to RGB
...], 16)
} : null;
}
alert(hexToRgb("#0033ff").g); // "51";
Finally, an alternative version of rgbToHex(), as discussed in @casablanca's answer and suggested in the comments by @cwolves:
function rgbToHex(r, g, b) {
return "#" + ((1 << 24) + (r << 16) + (g << 8)...