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How do I send a file as an email attachment using Linux command line?
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Depending on your version of linux it may be called mail. To quote @David above:
mail -s "Backup" -a mysqldbbackup.sql backup@email.com < message.txt
or also:
cat message.txt | mail -s "Backup" -a mysqldbbackup.sql backup@email.com
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Find out how much memory is being used by an object in Python [duplicate]
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Try this:
sys.getsizeof(object)
getsizeof() calls the object’s __sizeof__ method and adds an additional garbage collector overhead if the object is managed by the garbage collector.
A recursive recipe
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How to get instance variables in Python?
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in my case I tried calling vars(ObjName) and it returns a dict_proxy with a dictionary whose keys are the methods of the given class/object, but no sign of init elements. Any guesses why?
– user228137
May ...
In C#, can a class inherit from another class and an interface?
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Yup this works! Why didn't I think of that! And to the comments below. Thank you for clearing me up on that (Classes don't inherit interfaces, the IMPLEMENT interfaces)
– PICyourBrain
Jan 13 '10 at 19:10
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
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character_encoding_server is nota valid MySQL config variable name. I have tried to set character_set_server to utf8mb4 instead, in addition to individual columns, but it didn't change anything.
– Romain Paulus
Sep 5 '14 at...
How can I tell if a library was compiled with -g?
...e binary, i.e. the binary contains a debug link section. Perhaps one could call that a bug in readelf.
The following code should handle this correctly:
# Test whether debug information is available for a given binary
has_debug_info() {
readelf -S "$1" | grep -q " \(.debug_info\)\|\(.gnu_debuglin...
How to extract URL parameters from a URL with Ruby or Rails?
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In your Controller, you should be able to access a dictionary (hash) called params. So, if you know what the names of each query parameter is, then just do params[:param1] to access it... If you don't know what the names of the parameters are, you could traverse the dictionary and get the keys...
Git: list only “untracked” files (also, custom commands)
...do this:
git clean -df
add x to that if you want to also include specifically ignored files. I use git clean -dfx a lot throughout the day.
You can create custom git by just writing a script called git-whatever and having it in your path.
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Requirejs why and when to use shim config
...ction(A,B ) {
...
}
But since require itself follow AMD, you have no idea which one would be fetched early. This is where shim comes to rescue.
require.config({
shim:{
moduleA:{
deps:['moduleB']
}
}
})
This would make sure moduleB is always fetched before m...
C# vs Java generics [duplicate]
...ages. A few quirks here and there (most notably in constraints). But basically if you can read one, you can likely read/use the other.
The biggest difference though is in the implementation.
Java uses the notion of type erasure to implement generics. In short the underlying compiled classes...