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What is object slicing?
Someone mentioned it in the IRC as the slicing problem.
18 Answers
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How do I make a batch file terminate upon encountering an error?
...over with different parameters. How do I make it terminate immediately if one of the calls returns an error code of any level?
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How do you effectively model inheritance in a database?
...performance gains in some cases this is entirely due to an incomplete (or nonexistent) separation between the logical and physical structure of data in the DBMS. Unfortunately the majority of commercial DBMS suffer from this problem. @PerformanceDBA is correct. Undernormalization is a judgement erro...
How can I ensure that a division of integers is always rounded up?
...swer right the first time - is to approach the problem carefully, solve it one step at a time, and use good engineering principles in doing so.
Start by reading the specification for what you're trying to replace. The specification for integer division clearly states:
The division rounds the resu...
“PKIX path building failed” and “unable to find valid certification path to requested target”
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For anyone getting an "access denied" error, make sure you're running command prompt as an administrator.
– Walker Christie
Apr 24 '18 at 15:49
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Random alpha-numeric string in JavaScript? [duplicate]
...var i=0;i<50;i++){} loop that generated 50 random strings, and the last one is three characters long. I also told it to write to the document 50 times like so: document.write(randomString(8, '#aA!') + "</br>");
– Matthew
Jul 15 '14 at 3:24
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How do I UPDATE from a SELECT in SQL Server?
...rlesWood yeah. I have the same question in MySQL. It would be great if someone knows how to implement it to MySQL and share with everyone. I'm sure lots of people are looking for a MySQL version solution
– Roger Ray
Nov 27 '13 at 3:34
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How to order by with union in SQL?
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What if I want the sort to be applied on only the top one of the UNION ?
– marifrahman
Dec 15 '15 at 5:59
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Shall we always use [unowned self] inside closure in Swift
...he previous answers don't really give straightforward rules on when to use one over the other and why, so let me add a few things.
The unowned or weak discussion boils down to a question of lifetime of the variable and the closure that references it.
Scenarios
You can have two possible scenarios:
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Integer division with remainder in JavaScript?
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Another one, whose purpose I just spent the last 20 minutes trying to figure out, is apparently a/b | 0
– BlueRaja - Danny Pflughoeft
Mar 25 '11 at 22:42
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