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Favourite performance tuning tricks [closed]

... Here is the handy-dandy list of things I always give to someone asking me about optimisation. We mainly use Sybase, but most of the advice will apply across the board. SQL Server, for example, comes with a host of performance monitorin...
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Converting between strings and ArrayBuffers

... technique for efficiently converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to localStorage and to read it back. ...
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How to do a GitHub pull request

How do I create and/or send a pull request to another repository hosted on GitHub? 8 Answers ...
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Microsoft Roslyn vs. CodeDom

...o Roslyn, but is only marginally related. Essentially, CodeDom is a simple and (somewhat) langage agnostic way to generate code that was added in .NET 1.0 to support designers (a la WinForms). Because CodeDom was an attempt at providing a unified model that can generate code in C#, VB, and other lan...
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What does the function then() mean in JavaScript?

...guration. Then based on that, we fetch information about the current user, and then finally get the list of items for the current user. Each xhrGET call takes a callback function that is executed when the server responds. Now of course the more levels of nesting we have, the harder the code is to r...
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How do I echo and send console output to a file in a bat script?

I have a batch script that executes a task and sends the output to a text file. Is there a way to have the output show on the console window as well? ...
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Where is Python's sys.path initialized from?

... The site module loads and parses the contents of any .pth files in your site-packages directory. These .pth files contain additions to your PYTHONPATH – ASk May 22 '09 at 21:03 ...
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'

I installed LAMP on Ubuntu 12.04 LTS (Precise Pangolin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get: ...
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iOS 7: UITableView shows under status bar

...of text collisions. I've adjusted both the properties for Under top bars and Adjust scroll view insets which do actually stop it from scrolling under, but at the cost of keeping the top of the table view under. I've attempted to set the UITableView frame to offset by 20 pixels, but it doesn't ...
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Best approach for designing F# libraries for use from both F# and C#

...sign a library in F#. The library should be friendly for use from both F# and C# . 4 Answers ...