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Why does changing the returned variable in a finally block not change the return value?
... terminate abruptly because of return statements, then the following rules from §14.20.2 apply:
If execution of the try block completes abruptly for any other reason R [besides throwing an exception], then the finally block is executed, and then there is a choice:
If the finally block completes n...
SQLAlchemy default DateTime
... key should be an input to the Column function. Try this:
import datetime
from sqlalchemy import Column, Integer, DateTime
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()
class Test(Base):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
...
Why maven? What are the benefits? [closed]
...elease. For an exploded directory the rules are simple, copy/compile files from src to classes and don't touch the rest.
– trix
Aug 28 '10 at 10:42
...
Saving image from PHP URL
I need to save an image from a PHP URL to my PC.
Let's say I have a page, http://example.com/image.php , holding a single "flower" image, nothing else. How can I save this image from the URL with a new name (using PHP)?
...
Exiting from python Command Line
To exit from Python command line, I have to type exit(). If I type exit, it says
11 Answers
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Android - Package Name convention
...period ('.') in the application name as a path separator, all applications from a publisher would sit together in the path hierarchy.
So, for instance, packages from Adobe would be of the form:
com.adobe.reader (Adobe Reader)
com.adobe.photoshop (Adobe Photoshop)
com.adobe.ideas (Adobe Ideas)
[N...
Default function arguments in Rust
...default argument rules).
You could also use an "arguments" struct and the From/Into traits:
pub struct FooArgs {
a: f64,
b: i32,
}
impl Default for FooArgs {
fn default() -> Self {
FooArgs { a: 1.0, b: 1 }
}
}
impl From<()> for FooArgs {
fn from(_: ()) -> ...
Trying to fix line-endings with git filter-branch, but having no luck
...hat you don't have any modified files, then you can do this as follows.
# From the root of your repository remove everything from the index
git rm --cached -r .
# Change the autocrlf setting of the repository (you may want
# to use true on windows):
git config core.autocrlf input
# Re-add all t...
Can a Windows batch file determine its own file name?
...sed, %0 will have that. If you cd into the dir first and execute the batch from there, %0 will usually not have the path info (but you could get that from %cd% in that case)
– Gogowitsch
Jul 9 '15 at 8:51
...
When should one use final for method parameters and local variables?
...on is the case where you have to mark something final so you can access it from within an anonymous inner class.
Edit: note that one use case where final local variables are actually very useful as mentioned by @adam-gent is when value gets assigned to the var in the if/else branches.
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