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JPA OneToMany not deleting child
...All works well, only that child records are not deleted when I remove them from the collection.
8 Answers
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Deleting all pending tasks in celery / rabbitmq
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From the docs:
$ celery -A proj purge
or
from proj.celery import app
app.control.purge()
(EDIT: Updated with current method.)
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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(_: ()) -> ...
rgdal package installation
...on CRAN, you will see the following :
SystemRequirements: for building from source: GDAL >= 1.7.1 library
from http://trac.osgeo.org/gdal/wiki/DownloadSource and PROJ.4 (proj >= 4.4.9) from http://trac.osgeo.org/proj/; GDAL OSX frameworks built by William Kyngesburye at http://www.kyngch...
Difference between List, List, List, List, and List
...ough String is a subset of Object, but List<String> is not inherited from List<Object>.
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Log exception with traceback
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Use logging.exception from within the except: handler/block to log the current exception along with the trace information, prepended with a message.
import logging
LOG_FILENAME = '/tmp/logging_example.out'
logging.basicConfig(filename=LOG_FILENAM...
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...
Testing Private method using mockito
...method with Powermock. Where, I can pass some input and expect some output from the method and then verify the output?
– Rito
Oct 27 '17 at 20:42
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Why is a boolean 1 byte and not 1 bit of size?
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From Wikipedia:
Historically, a byte was the number of
bits used to encode a single character
of text in a computer and it is
for this reason the basic addressable
element in many computer
architectures.
So by...
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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