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How to create index in Entity Framework 6.2 with code first
...nnotation API. This will allow you to add the Index attribute via a fluent interface.
Here are some examples from the work item from Issues site for EF.
Create a index on a single column:
modelBuilder.Entity<MyEntity>()
.Property(e => e.MyProperty)
.HasColumnAnnotation(
I...
How do I break a string over multiple lines?
...le removes single newlines within the string (but adds one at the end, and converts double newlines to singles):
Key: >
this is my very very very
long string
→ this is my very very very long string\n
| Literal style turns every newline within the string into a literal newline, and adds ...
How can I resize an image using Java?
...an try:
BufferedImage createResizedCopy(Image originalImage,
int scaledWidth, int scaledHeight,
boolean preserveAlpha)
{
System.out.println("resizing...");
int imageType = preserveAlpha ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB;
...
NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...les and the stack.
void __declspec(dllexport) myFunction(HWND hwndParent, int string_size,
TCHAR *variables, stack_t **stacktop,
extra_parameters *extra)
{
g_hwndParent = hwndParent;
EXDLL_INIT();
//读取输入参数
WCHAR szComponent[256];
popstring(szComponent);
//打印...
Should private helper methods be static if they can be static
...ctually run a test.
class TestBytecodeSize {
private void doSomething(int arg) { }
private static void doSomethingStatic(int arg) { }
public static void main(String[] args) {
// do it twice both ways
doSomethingStatic(0);
doSomethingStatic(0);
TestBytecod...
How can I read a function's signature including default argument values?
...
import inspect
def foo(a, b, x='blah'):
pass
print(inspect.getargspec(foo))
# ArgSpec(args=['a', 'b', 'x'], varargs=None, keywords=None, defaults=('blah',))
However, note that inspect.getargspec() is deprecated since Python 3.0.
Python 3.0--3.4 recommends inspect.getfu...
How do the post increment (i++) and pre increment (++i) operators work in Java?
... 7; (a=8)
a = 5;
i=a++ + ++a + ++a; =>
i=5 + 7 + 8; (a=8)
The main point is that ++a increments the value and immediately returns it.
a++ also increments the value (in the background) but returns unchanged value of the variable - what looks like it is executed later.
...
What does `someObject.new` do in Java?
... uses the this instance of the container by default:
public class Foo {
int val;
public Foo(int v) { val = v; }
class Bar {
public void printVal() {
// this is the val belonging to our containing instance
System.out.println(val);
}
}
public Bar createBar() {
retu...
Paging UICollectionView by cells, not screen
...oid)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset {
*targetContentOffset = scrollView.contentOffset; // set acceleration to 0.0
float pageWidth = (float)self.articlesCollectionView.bounds.size.widt...
Easy way of running the same junit test over and over?
...) {
}
@Test
public void runsTenTimes() {
System.out.println("run");
}
}
With the above, it is possible to even do it with a parameter-less constructor, but I'm not sure if the framework authors intended that, or if that will break in the future.
If you are implementing yo...