大约有 3,600 项符合查询结果（耗时：0.0282秒） [XML]
Creating an index on a table variable
...h this syntax however SQL Server 2016 relaxes this a bit further. From CTP 3.1 it is now possible to declare filtered indexes for table variables. By RTM it may be the case that included columns are also allowed but the current position is that they "will likely not make it into SQL16 due to resourc...
Is there a Java reflection utility to do a deep comparison of two objects?
...rison handles cycles. By default floats are
compared with a precision of 1.0E-6 and doubles with 1.0E-15.
You can specify a custom comparator per (nested) fields or type with
respectively usingComparatorForFields(Comparator, String...) and
usingComparatorForType(Comparator, Class).
T...
image processing to improve tesseract OCR accuracy
... fy = y * nHeightFactor - fr_y;
nx = 1.0 - fx;
ny = 1.0 - fy;
color1 = temp.GetPixel(fr_x, fr_y);
color2 = temp.GetPixel(cx, fr_y);
color3 = temp.GetPixel(fr_x, cy);...
What's the difference between a single precision and double precision floating point operation?
...1010101010 = NaN
0 10000000 00000000000000000000000 = +1 * 2**(128-127) * 1.0 = 2
0 10000001 10100000000000000000000 = +1 * 2**(129-127) * 1.101 = 6.5
1 10000001 10100000000000000000000 = -1 * 2**(129-127) * 1.101 = -6.5
0 00000001 00000000000000000000000 = +1 * 2**(1-127) * 1.0 = 2**(-126)
0 0000...
When use getOne and findOne methods Spring Data JPA
...return userDto;
}
The Rest result is
{
"collection": {
"version": "1.0",
"data": {
"id": 1,
"name": "TEST_ME",
"bookList": null
},
"error": null,
"statusCode": 200
},
"booleanStatus": null
}
The above code did not fetch the books which is read by th...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...e x, y;
} point;
void give_two_doubles(double * x, double * y)
{
*x = 1.0;
*y = 2.0;
}
point give_point()
{
point a = {1.0, 2.0};
return a;
}
int main()
{
return 0;
}
Compile it with full optimizations
gcc -Wall -O3 foo.c -o foo
Look at the assembly:
objdump -d foo | vim...
How do I make a splash screen?
...ed to define the spash screen in your layout.xml file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent...
How do I unit test web api action method when it returns IHttpActionResult?
....AspNet.* packages, I'll paste my packages.config here:
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Castle.Core" version="4.3.1" targetFramework="net472" />
<package id="EntityFramework" version="6.2.0" targetFramework="net472" />
<package id="Mic...
What is the best way to use a HashMap in C++?
...ted Dec 7 '18 at 13:05
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Aug 26 '10 at 18:26
...
Convert a float64 to an int in Go
...\n")
}
func roundU(val float64) int {
if val > 0 { return int(val+1.0) }
return int(val)
}
func roundD(val float64) int {
if val < 0 { return int(val-1.0) }
return int(val)
}
func round(val float64) int {
if val < 0 { return int(val-0.5) }
return int(val+0.5)
}
...