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Spring JPA selecting specific columns
...estions/2430655/… you'd have to make specialized lightweight objects without these fields & have them point to same table? which IMO is undesired when using ORMs and leveraging them for their relationships... hyper-optimization is maybe more in the realm of just using some lightweight query DS...
What exactly is LLVM?
I keep hearing about LLVM all the time. It's in Perl, then it's in Haskell, then someone uses it in some other language? What is it?
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C# DateTime to “YYYYMMDDHHMMSS” format
...ours mins seconds, then H became 24 hour and then they got to date and ran out of unique letters so went with case. Just one of those things.
– Douglas Anderson
May 23 '17 at 14:49
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Any way to exit bash script, but not quitting the terminal
...the function or script.
The return status is non-zero if return is used outside a function
and not during the execution of a script by . or source.
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TypeScript Objects as Dictionary types as in C#
...lso make an interface if you don't want to type that whole type annotation out every time:
interface StringToCustomerMap {
[email: string]: Customer;
}
var map: StringToCustomerMap = { };
// Equivalent to first line of above
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Android YouTube app Play Video Intent
I have created a app where you can download YouTube videos for android. Now, I want it so that if you play a video in the YouTube native app you can download it too. To do this, I need to know the Intent that the YouTube native app puts out in order to play the YouTube app.
I could do this easiall...
Not equal != operator on NULL
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Out of interest, are there any situations where this (expected) behaviour is useful? It just seems to me having 'a' != null NOT returning a value (true/1) is counter intuitive and catches me out from time to time! I'd have th...
How do I decompile a .NET EXE into readable C# source code?
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Lucas: Out of the box, I have not seen reflector able to do this. FileDisassembler has always been the only way. This may have changed in recent history though I guess. I will check it out.
– GEOCHET
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How does the keyword “use” work in PHP and can I import classes with it?
...s) to the current scope
If you want the classes to be autoloaded - read about autoloading
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cartesian product in pandas
...1,1], 'col3':[5,6]})
merge(df1, df2,on='key')[['col1', 'col2', 'col3']]
Output:
col1 col2 col3
0 1 3 5
1 1 3 6
2 2 4 5
3 2 4 6
See here for the documentation: http://pandas.pydata.org/pandas-docs/stable/merging.html#brief-primer-on-merge-met...