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Why use 'virtual' for class properties in Entity Framework model definitions?
...nternally the code looks more like this:
public ICollection<RSVP> get_RSVPs()
{
return _RSVPs;
}
public void set_RSVPs(RSVP value)
{
_RSVPs = value;
}
private RSVP _RSVPs;
That's why they're marked as virtual for use in the Entity Framework, it allows the dynamically created classe...
What is the list of valid @SuppressWarnings warning names in Java?
... o.toString(); }. Some environments (e.g. NetBeans 7.3 w/ Java 6 JDK [1.6.0_41]) will generate "o possibly null" at the o.toString() call even though o can't be null at that point.
– par
Mar 13 '13 at 1:52
...
Linking to an external URL in Javadoc?
...
I recommend <a href="http://google.com" target="_top">http://google.com</a>. The reason for adding target="_top" is because some of the generated javadoc html files make use of frames, and you probably want the navigation to affect the whole page rather than just...
Getting name of windows computer running python script?
...i
win32api.GetComputerName()
>>'MYNAME'
Or:
import win32api
WIN32_ComputerNameDnsHostname = 1
win32api.GetComputerNameEx(WIN32_ComputerNameDnsHostname)
>> u'MYNAME'
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improv...
Why does the order in which libraries are linked sometimes cause errors in GCC?
...before one another: -la -lb -la.
Linking to dynamic libraries
$ export LD_LIBRARY_PATH=. # not needed if libs go to /usr/lib etc
$ g++ -fpic -shared d.cpp -o libd.so
$ g++ -fpic -shared b.cpp -L. -ld -o libb.so # specifies its dependency!
$ g++ -L. -lb a.cpp # wrong order (works on some distribut...
Strange out of memory issue while loading an image to a Bitmap object
...ather than 12MB for the full image (assuming a bitmap configuration of ARGB_8888). Here’s a method to calculate a sample size value that is a power of two based on a target width and height:
public static int calculateInSampleSize(
BitmapFactory.Options options, int reqWidth, int reqHeigh...
split string only on first instance - java
...first instance only. How can I do that ? Here is a JavaScript example for '_' char but it doesn't work for me
split string only on first instance of specified character
...
Numpy: Get random set of rows from 2D array
...st, but this is what works best for me:
A[np.random.choice(A.shape[0], num_rows_2_sample, replace=False)]
change the replace=False to True to get the same thing, but with replacement.
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im...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
I am trying to setup my machine with pecl_http and memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environ...
How to trim a string in SQL Server before 2017?
...d data in the future e.g.
ALTER TABLE Customer ADD
CONSTRAINT customer_names__whitespace
CHECK (
Names NOT LIKE ' %'
AND Names NOT LIKE '% '
AND Names NOT LIKE '% %'
);
Also consider disallowing other characters (tab, carriage return, ...