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Altering a column: null to not null

...tichev's answer seemed good. You can't repeat the alter - it complains (at least in SQL Developer) that the column is already not null. share | improve this answer | follow ...
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Install a Windows service using a Windows command prompt?

...ll remove that comment in order not to mislead anyone. It is available, at least under Windows 10 Professional, but you must enter sc.exe as sc is the service control manager, which is another thing entirely. Documentation is here: docs.microsoft.com/en-us/windows-server/administration/… ...
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Remove stubborn underline from link

... @rebus, You can't? Why not? Cause in at least IE7+ and FireFox 4+ you can, but not in Chrome for some reason. Here's the code I got to work in the non-Chrome browsers I tested: .toc-list a > span{text-decoration:none !important;} I think @JMTyler's question ...
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Which is a better way to check if an array has more than one element?

... if (count($arr) >= 2) { // array has at least 2 elements } sizeof() is an alias for count(). Both work with non-arrays too, but they will only return values greater than 1 if the argument is either an array or a Countable object, so you're pretty safe with this. ...
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What do two question marks together mean in C#?

... At least now, it's easy to search it, even if you don't know the name, I just googled "double question mark c#" – stivlo Dec 21 '11 at 8:18 ...
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How to create a self-signed certificate for a domain name for development?

... Note that this no longer appears to work (at least as shown above) in Windows 10. I had to use the PowerShell cmdlet instead, which worked without any issue. – DVK Jul 2 '17 at 15:40 ...
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Getting the caller function name inside another function in Python? [duplicate]

... on python 3.4 at least this doesn't work, they have changed the order of the tuples. A named tuple is now being used so it's best to use inspect.stack()[1].filename – timeyyy Mar 23 '16 at 18:53 ...
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VSTS 2010 SGEN : error : Could not load file or assembly (Exception from HRESULT: 0x80131515)

...etwork drive that was fully trusted. We have been working like that for at least two years and everything worked perfectly. ...
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How could I ignore bin and obj folders from git repository?

... Newbie me (at least to git), I did this to myself. Never thought to rm and then add back because I didn't understand that git rm only deletes the items from the index and not the disk. So if I understand correctly, your first two command...
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Best architectural approaches for building iOS networking applications (REST clients)

...n that if you decided to use singletons in your project you should have at least three criteria why you do this (I edited my answer). So I inject them (lazy of course and not each time, but once`) in every controller. – Oleksandr Karaberov Jun 30 '15 at 7:29 ...