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What is an ORM, how does it work, and how should I use one? [closed]
...bases but the most popular is relational ( you know tables, columns, pk fk etc eg Oracle MySQL, MS-SQL )
And finally the Mapping part is where you do a bridge between your objects and your tables.
In applications where you don't use a ORM framework you do this by hand. Using an ORM framework wou...
What's the difference between .bashrc, .bash_profile, and .environment?
...wing system). these are the ones with names like .bashrc, .tcshrc, .zshrc, etc.
bash complicates this in that .bashrc is only read by a shell that's both interactive and non-login, so you'll find most people end up telling their .bash_profile to also read .bashrc with something like
[[ -r ~/.bashr...
What is the most ridiculous pessimization you've seen? [closed]
...ster, but it ends up being slower, as well as being buggy, unmaintainable, etc. What is the most ridiculous example of this that you've seen?
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Extracting just Month and Year separately from Pandas Datetime column
...column'].dt.to_period('M')
You could also use D for Day, 2M for 2 Months etc. for different sampling intervals, and in case one has time series data with time stamp, we can go for granular sampling intervals such as 45Min for 45 min, 15Min for 15 min sampling etc.
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C# binary literals
... // 8
Thursday = 0b0010000, // 16
Friday = 0b0100000, // etc.
Saturday = 0b1000000,
Weekend = Saturday | Sunday,
Weekdays = Monday | Tuesday | Wednesday | Thursday | Friday
}
Original Post
Since the topic seems to have turned to declaring bit-based flag values in en...
Addressing localhost from a VirtualBox virtual machine [closed]
...t worked for me.
So, I edited the hosts file, C:\windows\system32\drivers\etc\hosts, and added this entry:
10.0.2.2 outer
If you're testing on IE8, remember to put http:// in the address bar. Just putting the ip directly will not work.
For example:
http://10.0.2.2:3000/
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Subtract days from a date in JavaScript
...mber, use one of the Date toString methods like toISOString, toDateString, etc.
– Bad Request
Feb 2 '15 at 19:26
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What does “O(1) access time” mean?
...To be pedantic, it doesn't mean that the runtime (or number of operations, etc.) is constant. It means that there is a constant such that the runtime (or number of operations, etc.) is bounded above by the constant. There could still be large variance in the runtime: e.g., int main() { int n; cin &g...
Difference between a Message Broker and an ESB
...most have to be business events (a sale, a renewal, a change of ownership, etc.) rather than something like RPCish "database updates."
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Passing a string with spaces as a function argument in bash
... if you have words that can be evaluated as glob expressions they will be, etc.
– Charles Duffy
Mar 29 '18 at 20:45
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