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find vs find_by vs where

... When query value out of range, find_by will rescue ::RangeError from where(*args) and return nil. – fangxing May 6 '19 at 8:39 ...
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Rails 3: I want to list all paths defined in my rails application

...ing.html#listing-existing-routes Though, it may be late, But I love the error page which displays all the routes. I usually try to go at /routes (or some bogus) path directly from the browser. Rails server automatically gives me a routing error page as well as all the routes and paths defined. Th...
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Converting SVG to PNG using C# [closed]

...ion of the GIMP image editing program). [DllImport("kernel32.dll", SetLastError = true)] static extern bool SetDllDirectory(string pathname); [DllImport("libgobject-2.0-0.dll", SetLastError = true)] static extern void g_type_init(); [DllImport("librsvg-2-2.dll", SetLastError = true)] static exte...
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How to redirect stderr to null in cmd.exe

I have an application that logs a lot of noise to stderr and REALLY slows down the execution of the application. I would like to redirect that output to null. Is this possible with cmd.exe? ...
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Why does Date.parse give incorrect results?

... @Daniel—fortunately the ECMAScript authors fixed their error with respect to missing time zone for date and time representations. Now date and time strings without a timezone use the host timezone offset (i.e. "local"). Confusingly, ISO 8601 date only forms are treated as UTC (ev...
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An item with the same key has already been added

I get this error whenever I submit the form also the action method is not being called because of this: 21 Answers ...
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe

... I was suffering from the error listed and this was the solution that worked for me! I was even able to use 'pip install virtualenv' and stop using 'python -m pip' after making the upgrade to latest pip. Thanks! – steve-gregory ...
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Programmatically obtain the Android API level of a device?

How can I find out which API level my device is using? 7 Answers 7 ...
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How can I install a .ipa file to my iPhone simulator

I have an iphone simulator running on my Mac. 12 Answers 12 ...
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SQL Server Operating system error 5: “5(Access is denied.)”

...e directory but the problem is that when I run the query, it gives me this error: 17 Answers ...