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Why is it not advisable to have the database and web server on the same machine?
... 1 and 2 ), he was adamant that the SQL server and application server should be on separate machines. Is this just to make sure that if one server is compromised, both systems aren't accessible? Do the security concerns outweigh the complexity of two servers (extra cost, dedicated network connec...
Laravel Eloquent groupBy() AND also return count of each group
I have a table that contains, amongst other columns, a column of browser versions. And I simply want to know from the record-set, how many of each type of browser there are. So, I need to end up with something like this: Total Records: 10; Internet Explorer 8: 2; Chrome 25: 4; Firefox 20: 4. (All ad...
Get exit code of a background process
I have a command CMD called from my main bourne shell script that takes forever.
12 Answers
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Formula to determine brightness of RGB color
...some kind of formula or algorithm to determine the brightness of a color given the RGB values. I know it can't be as simple as adding the RGB values together and having higher sums be brighter, but I'm kind of at a loss as to where to start.
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How to convert std::string to lower case?
I want to convert a std::string to lowercase. I am aware of the function tolower() , however in the past I have had issues with this function and it is hardly ideal anyway as use with a std::string would require iterating over each character.
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Vim delete blank lines
What command can I run to remove blank lines in Vim?
14 Answers
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Difference between a Structure and a Union
Is there any good example to give the difference between a struct and a union ?
Basically I know that struct uses all the memory of its member and union uses the largest members memory space. Is there any other OS level difference?
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What is the difference between supervised learning and unsupervised learning? [closed]
...ial intelligence and machine learning, what is the difference between supervised and unsupervised learning?
Can you provide a basic, easy explanation with an example?
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What values should I use for CFBundleVersion and CFBundleShortVersionString?
This is my first iOS app submission and I don't want my app rejected.
7 Answers
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How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have...
24 Answers
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