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Is storing a delimited list in a database column really that bad?

Imagine a web form with a set of check boxes (any or all of them can be selected). I chose to save them in a comma separated list of values stored in one column of the database table. ...
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How to install packages offline?

...r you don't need to use sudo pip…. 2) use virtualenv on online machine select a directory with terminal cd and run this code: python -m virtualenv myenv cd myenv source bin/activate pip install Flask after installing all the packages, you have to generate a requirements.txt so while your virt...
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What is the difference between “expose” and “publish” in Docker?

...col are optional, if not a public port is specified, a random port will be selected on host by docker to expose the specified container port on Dockerfile. A good pratice is do not specify public port, because it limits only one container per host ( a second container will throw a port already in u...
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LINQ OrderBy versus ThenBy

...e, o.InvoiceOwner.FirstName, o.InvoiceID select o; If you call OrderBy multiple times, it will effectively reorder the sequence completely three times... so the final call will effectively be the dominant one. You can (in LINQ to Objects) write foo.OrderBy(x).O...
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Why are C character literals ints instead of chars?

...; void print(char); print('a'); You would expect that the call to print selects the second version taking a char. Having a character literal being an int would make that impossible. Note that in C++ literals having more than one character still have type int, although their value is implementatio...
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showDialog deprecated. What's the alternative?

...rride public void onDateSet(DatePicker datepicker, int selectedyear, int selectedmonth, int selectedday) { ed_date.setText(new StringBuilder().append(year).append("-").append(month+1).append("-").append(day)); ...
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Allow multiple roles to access controller action

...filesRequired"); this.UserProfilesRequired = userProfilesRequired.Select(p => Enum.GetName(p.GetType(), p)).ToArray(); } public override void OnAuthorization(AuthorizationContext context) { bool authorized = false; foreach (var role in this.UserProfilesRequi...
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How to write to Console.Out during execution of an MSTest test

...t may be necessary to add the Output (Stdout) column by right-clicking and selecting Add/Remove Columns....) But, perhaps I'm still not seeing output in the Output View means that I'm missing something... – DavidRR Feb 20 '14 at 14:44 ...
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Why does this code using random strings print “hello world”?

... @Vulcan Most seeds are very close to the maximum value, just like if you select random numbers between 1 and 1000, most numbers you end up picking will have three digits. It's not surprising, when you think about it :) – Thomas Mar 3 '13 at 22:28 ...
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Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s

... Yes, the reason is 2 steps verification switched On for gmail account. Select App/Device and click Generate button support.google.com/accounts/answer/185833 – smily Dec 25 '15 at 15:34 ...