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Why do you create a View in a database?
... you can code all that logic into a view, then select from the view just like you would a table.
2. Views can be used as a security mechanism
A view can select certain columns and/or rows from a table (or tables), and permissions set on the view instead of the underlying tables. This allows surfa...
cannot load such file — zlib even after using rvm pkg install zlib
I installed zlib package and ruby 1.9.3 using rvm, but whenever I try to install
gems it says
cannot load such file -- zlib
...
Why is it string.join(list) instead of list.join(string)?
This has always confused me. It seems like this would be nicer:
10 Answers
10
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Difference between numeric, float and decimal in SQL Server
...er of decimal digits that can be stored to the right of the decimal point.
kindly note that money(8 byte) and smallmoney(4 byte) are also exact and map to Decimal In .NET and have 4 decimal points(MSDN)
decimal and numeric (Transact-SQL) - MSDN
real (4 byte) (Approximate Numeric Data Type)
will ...
ios simulator: how to close an app
...simulator from xCode, the app automatically launches, and then you can click the home button to suspend the app. What I want to do is close the app from within the simulator. So, how can this be done?
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Find (and kill) process locking port 3000 on Mac
How do I find (and kill) processes that listen to/use my tcp ports? I'm on mac os x.
31 Answers
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How to convert Linux cron jobs to “the Amazon way”?
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I signed up for Amazon Gold support to ask them this question, this was their response:
Tom
I did a quick poll of some of my colleagues and came up empty on the
cron, but after sleeping on it I realised the important step may be
limited to locking. So ...
Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
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It seems like the first one isn't working because your user doesn't have the permissions for changing that directory, and the second because your root user doesn't have the right SSH keys for accessing that git repository.
Depending on...
Group a list of objects by an attribute : Java
...dent) using an attribute(Location) of the particular object, the code is like below,
12 Answers
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How can I toggle word wrap in Visual Studio?
...xt Editor / All Languages / Word wrap
Or search for 'word wrap' in the Quick Launch box.
Known issues:
If you're familiar with word wrap in Notepad++, Sublime Text, or Visual Studio Code, be aware of the following issues where Visual Studio behaves differently to other editors:
Triple click doesn...