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Checking to see if a DateTime variable has had a value assigned

...est.StartDateTime == default(DateTime) { request.StartDateTime = DateTime.Now; } – Menol May 13 '16 at 8:33 ...
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]

...h it again soon with my own business. If you have some network technical knowledge, it really isn't that bad. Otherwise you will be better off using Paypal or another type of service. The process starts by getting a merchant account setup and tied to your bank account. You may want to check with...
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ActiveRecord OR query

...s noted in this pull request https://github.com/rails/rails/pull/9052 For now, simply sticking with the following works great: Foo.where('foo= ? OR bar= ?', 'bar', 'bar') Update: According to https://github.com/rails/rails/pull/16052 the or feature will be available in Rails 5 Update: Feature h...
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How to request Google to re-crawl my website? [closed]

Does someone know a way to request Google to re-crawl a website? If possible, this shouldn't last months. My site is showing an old title in Google's search results. How can I show it with the correct title and description? ...
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How do I “commit” changes in a git submodule? [duplicate]

...t up a git submodule and treated it like a Subversion external - i.e. it's now full of changes that I've just realized haven't been committed or pushed anywhere. ...
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Drop all duplicate rows across multiple columns in Python Pandas

... This is much easier in pandas now with drop_duplicates and the keep parameter. import pandas as pd df = pd.DataFrame({"A":["foo", "foo", "foo", "bar"], "B":[0,1,1,1], "C":["A","A","B","A"]}) df.drop_duplicates(subset=['A', 'C'], keep=False) ...
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ModelState.IsValid == false, why?

...eturn Values.All(modelState => modelState.Errors.Count == 0); } } Now, it looks like it can't be. Well, that's for ASP.NET MVC v1. share | improve this answer | foll...
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How do you organise multiple git repositories, so that all of them are backed up together?

...ration from project tasks, while most SVN workflows conflate the two; it's now common to see people delegate the administrative part to GitHub or other such providers.) – Damien Diederen Mar 22 '10 at 10:45 ...
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difference between width auto and width 100 percent

...ion about width: auto was that the width is set to that of the contents. Now I see that it takes the full width of the parent. ...
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Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?

...hat happens when the 1.9 branch gets updated because the package feed will now be on the 2.0+ track. I assume you'll have to switch to a new nuget package specifically written to support the 'legacy' 1.x version, or copy the script in manually each time. In any case, I'll update this when I learn m...