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ImageConvertor 扩展：免费图像转换器，支持JPG/PNG/WEBP格式转换和图像处...
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How to get folder path from file path with CMD
I need path to the folder that contains cmd file.
With %0 I can get file name. But how to get folder name?
7 Answers
...
Creating a blurring overlay view
...stemVersion] intValue] >= 4 && [[UIScreen mainScreen] scale] == 2.0;
if (isRetina) {
return [UIImage imageWithCGImage:cgimg scale:2.0 orientation:UIImageOrientationUp];
} else {
return [UIImage imageWithCGImage:cgimg];
}
}
- (UIImage*) reOrientIfNeeded:(UIImag...
How can mixed data types (int, float, char, etc) be stored in an array?
... low bits used to store the type (int, string, object... etc.). But since JägerMonkey they took another path (Mozilla’s New JavaScript Value Representation, backup link). The value is now always stored in a 64-bit double precision variable. When the double is a normalized one, it can be used dire...
What to learn for making Java web applications in Java EE 6? [closed]
...it provides really nice standard APIs for all your needs (Servlet 3.0, JSF 2.0, JPA 2.0, EJB 3.1 lite, Bean Validation 1.0, CDI, etc), because these APIs are all more than decent, because there is nothing really wrong in learning them, because this is already a big task, because you have to start so...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...t;
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 -
This is w...
Python - abs vs fabs
...type of its argument.
In [7]: type(abs(-2))
Out[7]: int
In [8]: type(abs(-2.0))
Out[8]: float
In [9]: type(abs(3+4j))
Out[9]: float
In [10]: type(math.fabs(-2))
Out[10]: float
In [11]: type(math.fabs(-2.0))
Out[11]: float
In [12]: type(math.fabs(3+4j))
------------------------------------------...
How to loop through files matching wildcard in batch file
...
Could you explain the syntax? The loop variable is declared %%f why is it %%~nf later?
– Colonel Panic
Mar 6 '15 at 10:10
...
Difference between and text
... @BalusC: True, but it's purpose, at the time of writing the HTML 2.0 standard, when there was no CSS, was, as described, to use an image as a button or as a server-side image map. But indeed, you can (ab)use a normal button with a background image to do the same with CSS and HTML.
...
How can I use a C++ library from node.js?
...ows with Visual Studio. See stackoverflow.com/questions/2045774/… for details on how to do this. Or should I be able to use node-ffi on C++ without a wrapper?
– pancake
May 28 '13 at 2:12
...