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How can I correctly prefix a word with “a” and “an”?

...to use "A" or "AN" find the longest matching prefix, and follow its lead. If you didn't discard the empty prefix in step 4, then there will always be a matching prefix (namely the empty prefix), otherwise you may need a special case for a completely-non matching string (such input should be very ra...
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How do I delete from multiple tables using INNER JOIN in SQL server

... @JohnGibb, Now that's clear. You should include that in the answer. – Pacerier Apr 11 '15 at 16:59 add a commen...
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Is there a way to suppress warnings in Xcode?

... was the only compiler provided. So you may ned to use clang format pragma now. – allenlinli Dec 6 '19 at 9:49 add a comment  |  ...
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byte[] to hex string [duplicate]

...ect(b => b.ToString("X2")) does not work prior to 4.0, the same code is now working on 4.0. This code... byte[] ba = { 1, 2, 4, 8, 16, 32 }; string s = string.Concat(ba.Select(b => b.ToString("X2"))); string t = string.Concat(ba.Select(b => b.ToString("X2")).ToArray()); Console.WriteLin...
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MySQL, Check if a column exists in a table with SQL

I am trying to write a query that will check if a specific table in MySQL has a specific column, and if not — create it. Otherwise do nothing. This is really an easy procedure in any enterprise-class database, yet MySQL seems to be an exception. ...
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How to determine if a list of polygon points are in clockwise order?

...t a handful of large values could outweigh a large number of small values. Now consider arcsin of each value vs not. Isn't it still the case that failing to take arcsin gives incorrect weight to each value, therefore has same flaw (though much less so)? – ToolmakerSteve ...
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Difference between “process.stdout.write” and “console.log” in node.js?

... I know this is a very old question but I didn't see anybody talking about the main difference between process.stdout.write and console.log and I just want to mention it. As Mauvis Leford and TK-421 pointed out, the console.log ...
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What is a method that can be used to increment letters?

...t() { const r = []; for (const char of this._nextId) { r.unshift(this._chars[char]); } this._increment(); return r.join(''); } _increment() { for (let i = 0; i < this._nextId.length; i++) { const val = ++this._nextId[i]; if (val >= this._chars.len...
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Case insensitive searching in Oracle

... versions older than 10gR2 it can't really be done and the usual approach, if you don't need accent-insensitive search, is to just UPPER() both the column and the search expression. share | improve ...
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Why do we need a pure virtual destructor in C++?

...class Base { public: Base(); virtual ~Base() = 0; // Pure virtual, now no one can create the Base Object directly }; Base::Base() { cout << "Base Constructor" << endl; } Base::~Base() { cout << "Base Destructor" << endl; } class Derived : public Base { public: ...