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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
...ffectively overrides the outer join and lazy declarations of the
mapping file for associations and collections.
this "JOIN FETCH" will have it's effect if you have (fetch = FetchType.LAZY) property for a collection inside entity(example bellow).
And it is only effect the method of "when the que...
How to write multiple line property value using PropertiesConfiguration?
I have a properties file with a property with a List value (comma separated), how to write this property in a multi-line ? (backslash after the comma)?
...
Modular multiplicative inverse function in Python
...5189)
>>> gmpy.divm(1, 0, 5)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ZeroDivisionError: not invertible
>>> gmpy.divm(1, 4, 8)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ZeroDivisionError: not inv...
Assigning a variable NaN in python without numpy
...Fraction
>>> Fraction('nan')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python35\lib\fractions.py", line 146, in __new__
numerator)
ValueError: Invalid literal for Fraction: 'nan'
>>>
>>> Fraction(float('nan'))
Trace...
Unfortunately MyApp has stopped. How can I solve this?
...
You can use Google's ADB tool to get Logcat file to analyze the issue.
adb logcat > logcat.txt
open logcat.txt file and search for your application name. There should be information on why it failed, the line number, Class name, etc.
...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
...fields are used as a compound key to match up packets to connections (e.g. file descriptors).
If a client has many connections to the same port on the same destination, then three of those fields will be the same - only source_port varies to differentiate the different connections. Ports are 16-bit...
Android: I am unable to have ViewPager WRAP_CONTENT
... LayoutParams.
For your needs you can create the ViewPager in its own xml-file, with the layout_height set to 200dp, and then in your code, rather than creating a new ViewPager from scratch, you can inflate that xml-file:
LayoutInflater inflater = context.getLayoutInflater();
inflater.inflate(R.la...
Setting Vim whitespace preferences by filetype
...simple, easy to understand way. add these lines to your ~/.vimrc:
autocmd FileType html setlocal ts=2 sts=2 sw=2
autocmd FileType ruby setlocal ts=2 sts=2 sw=2
autocmd FileType javascript setlocal ts=4 sts=4 sw=4
share
...
Serializing a list to JSON
...at http://james.newtonking.com/pages/json-net.aspx, extract the compressed file and add it as a reference.
Then just serialize the list (or whatever object you want) with the following:
using Newtonsoft.Json;
string json = JsonConvert.SerializeObject(listTop10);
Update: you can also add it to y...
How do I get the current GPS location programmatically in Android?
...e how it works:
All we need to do is add this permission in the manifest file:
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
And create a LocationManager instance like this:
LocationManager locationManager = (LocationManager)
getSystemService(Context.LOCATION_...