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SQL Server reports 'Invalid column name', but the column is present and the query works through mana
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I suspect that you have two tables with the same name. One is owned by the schema 'dbo' (dbo.PerfDiag), and the other is owned by the default schema of the account used to connect to SQL Server (something like userid.PerfDiag).
When you have an unqualified reference to a schema ...
Can't update Macports (with Mac OS X Mavericks)
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As of April 26, 2014. These commands no longer work. One should perhaps download "Command Line Tools for OS X Mavericks" from developer.apple.com/downloads/index.action# and install it.
– qazwsx
Apr 26 '14 at 17:24
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Tips for a successful AppStore submission? [closed]
In a day or two I'll be ready to submit my iPhone app to the AppStore and I'm curious whether people who have gone through this process have any tips / suggestions for a smooth submission process.
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Get and Set a Single Cookie with Node.js HTTP Server
...le cookie with each request made to the nodejs server instance. Can it be done in a few lines of code, without the need to pull in a third party lib?
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Do I need to disable NSLog before release Application?
When releasing an app for iPhone, if I disable NSLog(); will it perform better?
12 Answers
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How to add /usr/local/bin in $PATH on Mac
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export PATH=$PATH:/usr/local/git/bin:/usr/local/bin
One note: you don't need quotation marks here because it's on the right hand side of an assignment, but in general, and especially on Macs with their tradition of spacy pathnames, expansions like $PATH should be double-quoted...
What is the rationale behind having companion objects in Scala?
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The companion object basically provides a place where one can put "static-like" methods. Furthermore, a companion object, or companion module, has full access to the class members, including private ones.
Companion objects are great for encapsulating things like factory methods...
Fixed size queue which automatically dequeues old values upon new enques
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Don't define your own queue, just use the inherited one. If you do as you do, you can actually do nothing else with the queue values, all other functions but your new Enqueue will still call the original queue. In other words, although this answer is marked as accepted, it's c...
Why is SELECT * considered harmful?
... more time to travel across the network. This is especially true when someone adds new columns to underlying tables that didn't exist and weren't needed when the original consumers coded their data access.
Indexing issues. Consider a scenario where you want to tune a query to a high level of perfo...
What is the difference between indexOf() and search()?
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The search function (one description here) takes a regular expression, which allows you to match against more sophisticated patters, case-insensitive strings, etc., while indexOf (one description here) simply matches a literal string. However, in...