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LINQ query on a DataTable

...s.Cast<DataRow>().Where(myRow => (int)myRow["RowNo"] == 1). Personally, I don't find the call to AsEnumerable() any more complicated than the call to Cast<DataRow>(). As far as I know, the performance is the same, so it's just a matter of preference. – Collin K ...
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Spring get current ApplicationContext

...But I avoid creating new ApplicationContextProvider() everytime I need to call the getBean() from the context. What I did was to have static ApplicationContextProvider.getApplicationContext() method. Then, when it is time to need the current app context, I invoke: ApplicationContextProvider appConte...
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Better techniques for trimming leading zeros in SQL Server?

... Other answers here to not take into consideration if you have all-zero's (or even a single zero). Some always default an empty string to zero, which is wrong when it is supposed to remain blank. Re-read the original question. This answers what the Questioner wants. Solution #1: --Thi...
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How to trigger a file download when clicking an HTML button or JavaScript

...Edge) and it is not supported in Safari. In 2012 when the answer was originally posted it wasn't supported in any major browser. – Cfreak Jul 7 '16 at 3:40 2 ...
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Making a UITableView scroll when text field is selected

...he question. I've seen a lot of people with similar problems but can't get all the answers to work right. 45 Answers ...
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How do I create a self-signed certificate for code signing on Windows?

... -a sha256 -cy authority -sky signature -sv MyCA.pvk MyCA.cer (^ = allow batch command-line to wrap line) This creates a self-signed (-r) certificate, with an exportable private key (-pe). It's named "My CA", and should be put in the CA store for the current user. We're using the SHA-256 al...
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How to properly URL encode a string in PHP?

...owever, you shouldn't need to use urldecode() on variables that appear in $_POST and $_GET. share | improve this answer | follow | ...
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How can I deploy an iPhone application from Xcode to a real iPhone device?

... do this a lot, be sure to check the other answers - you can make XCode do all the job to you but it's a troublesome procedure to trick it on doing that. – cregox Apr 16 '11 at 16:06 ...
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windows service vs scheduled task

...ust need to figure out how to support failover... Original Answer: I'm really not a fan of Windows Scheduler. The user's password must be provided as @moodforall points out above, which is fun when someone changes that user's password. The other major annoyance with Windows Scheduler is that it r...
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What's the simplest way to test whether a number is a power of 2 in C++?

... so basically (n>0 && ((n & (n-1)) == 0)) – Saurabh Goyal Jul 10 '16 at 8:06 1 ...