大约有 36,000 项符合查询结果（耗时：0.0406秒） [XML]
截图软件截图区域以外背景变灰的实现--AlphaBlend - C/C++ - 清泛网 - 专注...
...
// ------------画黑色背景----------------
COLORREF bgColor = RGB(0, 0, 0);
char alpha = (255 * 30) / 100;
int screenX = GetSystemMetrics(SM_CXSCREEN);
int screenY = GetSystemMetrics(SM_CYSCREEN);
CDC memdc;
memdc.CreateCompatibleDC(&dc);
CBitmap bmp, *pOldBitmap;
bmp.CreateCompati...
How to deal with floating point number precision in JavaScript?
...st irritated that their programs don't work correctly with numbers like 1/10 without realizing that they wouldn't even blink at the same error if it occurred with 1/3.
If the first point really applies to you, use BigDecimal for JavaScript, which is not elegant at all, but actually solves the probl...
How to set current working directory to the directory of the script in bash?
...
#!/bin/bash
cd "$(dirname "$0")"
share
|
improve this answer
|
follow
|
...
What does upstream mean in nginx?
...x.org/LoadBalanceExample is:
http {
upstream myproject {
server 127.0.0.1:8000 weight=3;
server 127.0.0.1:8001;
server 127.0.0.1:8002;
server 127.0.0.1:8003;
}
server {
listen 80;
server_name www.domain.com;
location / {
proxy_pass http://myproject;
...
Quickest way to convert a base 10 number to any base in .NET?
...s binary representation
Console.WriteLine(binary); // prints 101
However, as pointed out by the comments, Convert.ToString only supports the following limited - but typically sufficient - set of bases: 2, 8, 10, or 16.
Update (to meet the requirement to convert to any base):
I'm no...
How to define different dependencies for different product flavors
...
190
To define a flavor specific dependency you can use proCompile instead of compile in your depende...
Replacing NAs with latest non-NA value
...
divibisan
7,90699 gold badges2626 silver badges4343 bronze badges
answered Oct 12 '11 at 5:32
Dirk EddelbuettelDir...
Custom ImageView with drop shadow
...
answered Dec 10 '10 at 2:43
Kevin CoppockKevin Coppock
125k4242 gold badges247247 silver badges262262 bronze badges
...
How to normalize an array in NumPy?
...mpy as np
from sklearn.preprocessing import normalize
x = np.random.rand(1000)*10
norm1 = x / np.linalg.norm(x)
norm2 = normalize(x[:,np.newaxis], axis=0).ravel()
print np.all(norm1 == norm2)
# True
share
|
...
C# Double - ToString() formatting with two decimal places but no rounding
...
210
I use the following:
double x = Math.Truncate(myDoubleValue * 100) / 100;
For instance:
If t...