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How to concatenate text from multiple rows into a single text string in SQL server?
Consider a database table holding names, with three rows:
47 Answers
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
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I just came across this tonight. Can't say if they are legit, how long in business, and whether they'll be around long, but seems interesting. I may give them a try, and will post update if I do.
Per the website, they say they offer hourly pay-as-you-go and weekly/monthly plans, pl...
Matplotlib discrete colorbar
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You can create a custom discrete colorbar quite easily by using a BoundaryNorm as normalizer for your scatter. The quirky bit (in my method) is making 0 showup as grey.
For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would ...
成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
成功熬了四年还没死？一个IT屌丝创业者的深刻反思三个IT屌丝创业的故事从前有三个屌丝，聚在一起做网络。提供免费的网络服务，砸锅卖铁，通宵达旦，除了卖肾，啥都做了。3年后终于做到了五...
三个IT屌丝创业的故事
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ASP.NET MVC - Set custom IIdentity or IPrincipal
...fairly simple: in my ASP.NET MVC application, I want to set a custom IIdentity / IPrincipal. Whichever is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties.
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Sleeping in a batch file
When writing a batch file to automate something on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a be...
Functional style of Java 8's Optional.ifPresent and if-not-Present?
In Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present.
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Remove Server Response Header IIS7
... be helpful if we don't have admin right to server. Also I don't want to write ISAPI filter.
20 Answers
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Benchmarking (python vs. c++ using BLAS) and (numpy)
I would like to write a program that makes extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate.
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Blurry text after using CSS transform: scale(); in Chrome
...have this problem a number of times and there seems to be 2 ways of fixing it (shown below). You can use either of these properties to fix the rendering, or both at the same time.
Backface visibility hidden fixes the problem as it simplifies the animation to just the front of the object, whereas th...