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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...he compiler from aligning the fields according to their natural alignment, and it has no relation to the problem of field ordering. It would be possible to reorder the fields of LocalFileHeader so that the structure has both minimal size and has all fields aligned to their natural alignment. However...
Split a module across several files
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Rust's module system is actually incredibly flexible and will let you expose whatever kind of structure you want while hiding how your code is structured in files.
I think the key here is to make use of pub use, which will allow you to re-export identifiers from other modules....
How do I format a string using a dictionary in python-3.x?
..."]} {geopoint["longitude"]}')
41.123 71.091
Note the outer single quotes and inner double quotes (you could also do it the other way around).
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How do I use .toLocaleTimeString() without displaying seconds?
...{hour: '2-digit', minute:'2-digit'});
Supported by Firefox, Chrome, IE9+ and Opera. Try it on your web browser console.
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How to make the tab character 4 spaces instead of 8 spaces in nano?
...d idea to convert tabs to spaces.
Edit your ~/.nanorc file (or create it) and add:
set tabsize 4
set tabstospaces
If you already got a file with tabs and want to convert them to spaces i recommend the expandcommand (shell):
expand -4 input.py > output.py
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What should I use Android AccountManager for?
I've seen AccountManager in the Android SDK and that it is used for storing account information. Thus, I cannot find any general discussion of what it is intended for. Does anyone know of any helpful discussions of what the intention behind AccountManager is and what it buys you? Any opinions of wha...
Sleeping in a batch file
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UPDATE
The timeout command, available from Windows Vista and onwards should be the command used, as described in another answer to this question. What follows here is an old answer.
Old answer
If you have Python installed, or don't mind installing...
How to use Session attributes in Spring-mvc
...)request.getSession().setAttribute("cart",value);
return "testJsp";
}
and you can get it from controller like this :
ShoppingCart cart = (ShoppingCart)session.getAttribute("cart");
Make your controller session scoped
@Controller
@Scope("session")
Scope the Objects ,for example you have user...
Private and protected constructor in Scala
...vate/protected by inserting the appropriate keyword between the class name and the parameter list, like this:
class Foo private () {
/* class body goes here... */
}
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How can I access “static” class variables within class methods in Python?
...e self.bar or Foo.bar. Assigning to Foo.bar will create a static variable, and assigning to self.bar will create an instance variable.
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