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LogCat message: The Google Play services resources were not found. Check your project configuration
...-services_lib library project to my workspace and added a reference to it from my application project, following the instructions on these pages:
...
Creation timestamp and last update timestamp with Hibernate and MySQL
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Im my case removing nullable=false from @Column(name = "create_date" , nullable=false) worked
– Shantaram Tupe
Nov 22 '17 at 10:14
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How to make Java honor the DNS Caching Timeout?
... the load-balancing to work, the application server needs to honor the TTL from DNS response and to resolve the domain name again when cache times out. However, I couldn't figure out a way to do this in Java.
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What is “origin” in Git?
... push.
This name is set by default and for convention by Git when cloning from a remote for the first time.
This alias name is not hard coded and could be changed using following command prompt:
git remote rename origin mynewalias
Take a look at http://git-scm.com/docs/git-remote for further cl...
What regular expression will match valid international phone numbers?
...he plus with the international access code for the country you are dialing from.
Note that this DOES NOT take into account national number plan rules - specifically, it allows zeros and ones in locations that national number plans may not allow and also allows number lengths greater than the nation...
Understanding __get__ and __set__ and Python descriptors
... that great).
A descriptor is defined on a class, but is typically called from an instance. When it's called from an instance both instance and owner are set (and you can work out owner from instance so it seems kinda pointless). But when called from a class, only owner is set – which is why it's...
How do I compute derivative using Numpy?
...en Theano might be a good choice.
Here is an example using SymPy
In [1]: from sympy import *
In [2]: import numpy as np
In [3]: x = Symbol('x')
In [4]: y = x**2 + 1
In [5]: yprime = y.diff(x)
In [6]: yprime
Out[6]: 2⋅x
In [7]: f = lambdify(x, yprime, 'numpy')
In [8]: f(np.ones(5))
Out[8]: [ 2. ...
Expand Python Search Path to Other Source
...p frameworks), it's not entirely uncommon to do something like
import sys
from os.path import dirname
sys.path.append(dirname(__file__))
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How to invoke a Linux shell command from Java
I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands?
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Why use 'virtual' for class properties in Entity Framework model definitions?
...rtual in your base class POCOs. It literally creates new types that derive from your POCO types. So your POCO is acting as a base type for the Entity Framework's dynamically created subclasses. That's what I meant by "create a proxy around".
The dynamically created subclasses that the Entity Framew...