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by Jeff Atwood
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Published on 2008-07-31T23:40:59Z
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2010/04/16
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Given a DateTime representing their birthday, how do I calculate someone's age?
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I’ve run into the problem a few times now: How to pre-authenticate .NET WebRequest calls doing an HTTP call to the server – essentially send authentication credentials on the very first request instead of waiting for a server challenge first? At first glance this sound like it should be easy:…
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Man I can't believe this. I'm still mucking around with OFX servers and it drives me absolutely crazy how some these servers are just so unbelievably misconfigured. I've recently hit three different 3 major brokerages which fail HTTP validation with bad or corrupt certificates at least according to…
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The dynamic type in C# 4.0 is a welcome addition to the language. One thing I’ve been doing a lot with it is to remove explicit Reflection code that’s often necessary when you ‘dynamically’ need to walk and object hierarchy. In the past I’ve had a number of ReflectionUtils that used string based expressions…
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I’ve written quite a bit about Visual FoxPro interoperating with .NET in the past both for ASP.NET interacting with Visual FoxPro COM objects as well as Visual FoxPro calling into .NET code via COM Interop. COM Interop with Visual FoxPro has a number of problems but one of them at least got a lot…
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Here’s a nice and simple path utility that I’ve needed in a number of applications: I need to find a relative path based on a base path. So if I’m working in a folder called c:\temp\templates\ and I want to find a relative path for c:\temp\templates\subdir\test.txt I want to receive back subdir\test…
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I'm using the following snipped to find the begin and end of several time periods in Joda. The little devil on my left shoulder says thats the way to go... but I dont believe him.
Could anybody with some joda experience take a brief look and tell me that the little guy is right?
(It will be only…
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Hello,
Let's assume that I have the following table:
CREATE TABLE [dbo].[PricesHist](
[Product] varchar NOT NULL,
[Price] [float] NOT NULL,
[StartDate] [datetime] NOT NULL,
[EndDate] [datetime] NOT NULL
)
INSERT [dbo].[PricesHist] ([Product], [Price], [StartDate], [EndDate]) VALUES (N'Apples'…
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When getting SQL DateTime Resharper suggests to use new DateTime() when value is DBNull.Value. I've always used DateTime.MinValue. Which is the proper way?
DateTime varData = sqlQueryResult["Data"] is DateTime ? (DateTime) sqlQueryResult["Data"] : new DateTime();
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This is a simple looking error message that is deceptively hard to track down. Thankfully if you're having this problem then this article should get you back on track without spending hours scratching your head. Scenario It was time to update an existing website so after synchronising my copy of…
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A client is using Openfire IM for their users, and would like some custom queries to audit user conversations (which are stored by Openfire in tables in the SQL Server database).
Because Openfire supports multiple database servers and multiple platforms, the designers chose to store all date/time…
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