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Running multiple commands in one line in shell
...original.
And no, it's not the correct syntax. | is used to "pipe" output from one program and turn it into input for the next program. What you want is ;, which seperates multiple commands.
cp file1 file2 ; cp file1 file3 ; rm file1
If you require that the individual commands MUST succeed befor...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
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Turns out that Entity Framework will assume that any class that inherits from a POCO class that is mapped to a table on the database requires a Discriminator column, even if the derived class will not be saved to the DB.
The solution is quite simple and you just need to add [NotMapped] as an attr...
Does Git Add have a verbose switch
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From the other answer I see there's a way to make it tell you what's happening, but I suggest you to get used without the -v parameter, the default behaviour is more practical (and it's faster to type).
–...
Why does Go have a “goto” statement
...1)
}
return z / ((1 + Euler*x) * x)
}
The goto in this case saves us from introducing another (boolean) variable used just for control-flow, checked for at the end. In this case, the goto statement makes the code actually better to read and easier follow (quite in contrary to the argument agai...
How can I hide an HTML table row so that it takes up no space?
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how to prevent this from changing the width of the table when you show hide rows, i dont want to do table layout fixed
– PirateApp
Aug 2 '18 at 7:21
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undefined reference to `__android_log_print'
...e project you are working on has the following characteristics that differ from other 'standard' answers:
Not using Android Studio
Not using gradle and the integrated CMake
No Android.mk or Application.mk used at all for build
Using CMake and the toolchain directly (maybe your project is Qt based ...
Allowing Untrusted SSL Certificates with HttpClient
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@Kiquenet this reply is from 2012, it is 6 years old already, and yes - many people these times were sure that this is right way to use httpclient :)
– justmara
Nov 7 '18 at 16:08
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pinterest api documentation [closed]
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the only thing missing from these end points is the published date of the pin.
– Corban Brook
Jul 15 '14 at 13:53
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Is Ruby pass by reference or by value?
...ays references to objects. In order to get an object that won't change out from under you, you need to dup or clone the object you're passed, thus giving an object that nobody else has a reference to. (Even this isn't bulletproof, though — both of the standard cloning methods do a shallow copy, so...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...an it was in 2013, when this question was asked. Avoid drawing conclusions from out-of-date information.
PyPy, as others have been quick to mention, has tenuous support for C extensions. It has support, but typically at slower-than-Python speeds and it's iffy at best. Hence a lot of modules sim...