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When use getOne and findOne methods Spring Data JPA
...ry most of cases, favor findOne()/findById() over getOne().
API Change
From at least, the 2.0 version, Spring-Data-Jpa modified findOne().
Previously, it was defined in the CrudRepository interface as :
T findOne(ID primaryKey);
Now, the single findOne() method that you will find in CrudRepos...
MVC 4 @Scripts “does not exist”
...You may also have to run Install-Package Microsoft.AspNet.Web.Optimization from a blank ASP.NET MVC4 template as it is not included by default.
– Portman
Jul 18 '13 at 6:35
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Django South - table already exists
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my mistake just copied the command from OP, correct command ./manage.py migrate myapp --fake
– Ashok
Jun 22 '10 at 8:04
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How do I move forward and backward between commits in git?
...ially important in cases like this, where the goal is to prevent the shell from interpreting special characters. That way, you don’t need to know whether the string contains anything that’s problematic.
– Chris Page
Mar 26 '19 at 5:12
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Dynamically updating plot in matplotlib
I am making an application in Python which collects data from a serial port and plots a graph of the collected data against arrival time. The time of arrival for the data is uncertain. I want the plot to be updated when data is received. I searched on how to do this and found two methods:
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Beyond Stack Sampling: C++ Profilers
...ng data. To get good output I need configure it to load the debug symbols from my 3rd party and system libraries. Be sure to do the same, otherwise you'll see that CRT is taking 20% of your application's time when what's really going on is malloc is trashing the heap and eating up 15%.
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What would a “frozen dict” be?
...be more obvious to
# use hash(tuple(sorted(self._d.iteritems()))) from this discussion
# so far, but this solution is O(n). I don't know what kind of
# n we are going to run into, but sometimes it's hard to resist the
# urge to optimize when it will gain improved a...
Alternative to itoa() for converting integer to string C++? [duplicate]
...d::string s;
std::stringstream out;
out << i;
s = out.str();
Taken from http://notfaq.wordpress.com/2006/08/30/c-convert-int-to-string/
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Python Nose Import Error
...y tree. I recently fixed a nose ImportError issue by renaming a directory from sub-dir to sub_dir.
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Difference between staticmethod and classmethod
...omething to be
a classmethod, it is probably because you intend to call it from the class rather than from a class instance. A.foo(1) would have raised a TypeError, but A.class_foo(1) works just fine:
A.class_foo(1)
# executing class_foo(<class '__main__.A'>,1)
One use people have found for...