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Lock Escalation - What's happening here?

While altering a table (removing a column) in SQL Server 2008, I clicked the Generate Change Script button and I noticed that the change script it generated drops the column, says "go" and then runs an additional ALTER TABLE statement that appears to set the lock escalation for the table to "TABLE"....
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Why were pandas merges in python faster than data.table merges in R in 2012?

...emory merges. It's even faster than the data.table package in R (my language of choice for analysis). 4 Answers ...
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What are transparent comparators?

...r. and does this change how standard containers work? No, not by default. The new member function template overloads of find etc. allow you to use a type that is comparable with the container's key, instead of using the key type itself. See N3465 by Joaquín Mª López Muñoz for rationale a...
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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)

... associated with Arrays and Objects in JavaScript (especially Google V8) would be very interesting to document. I find no comprehensive article on this topic anywhere on the Internet. ...
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Difference between Role and GrantedAuthority in Spring Security

There are concepts and implementations in Spring Security, such as the GrantedAuthority interface to get an authority to authorize/control an access. ...
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?

I recently created a simple application for testing the HTTP call throughput that can be generated in an asynchronous manner vs a classical multithreaded approach. ...
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What's invokedynamic and how do I use it?

I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better? ...
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Simplest way to do a fire and forget method in c# 4.0

I really like this question: 4 Answers 4 ...
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What are the big differences between TFVC (TFS Version Control) and Git for source control when usin

There are tons of questions and answers about Git versus TFVC Source Control, but no current answers cover the integration of Git into Team Foundation Server/Service that I can find. ...
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How to configure an existing git repo to be shared by a UNIX group

I have an existing git repo (a bare one) which has up to this point only been writable by me. I want to open it up to some UNIX user group, foo, so that all members of foo can push to it. I'm aware that I can easily set up a new git repo with: ...