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C++ preprocessor __VA_ARGS__ number of arguments
...9,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
_51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
_61,_62,_63,N,...) N
#define PP_RSEQ_N() \
63,62,61,60, ...
How can I find the current OS in Python? [duplicate]
...is on sparc gave:
Python version: ['2.6.4 (r264:75706, Aug 4 2010, 16:53:32) [C]']
dist: ('', '', '')
linux_distribution: ('', '', '')
system: SunOS
machine: sun4u
platform: SunOS-5.9-sun4u-sparc-32bit-ELF
uname: ('SunOS', 'xxx', '5.9', 'Generic_122300-60', 'sun4u', 'sparc')
version: Generic_12230...
Automatically remove Subversion unversioned files
...can also automate this on the command line with TortoiseSVN's TortoiseProc.exe: details in my answer below.
– stevek_mcc
Sep 14 '16 at 21:40
add a comment
|...
C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...息。有时，我们需要将程序中的一些数据存储到磁盘上或是读取配置文件中某些内容，在这里我们就会用该类。
从磁盘上的文件中读取内容：
FileStream file = File.Open(@"F:\file.txt", FileMode.Open); //初始化文件流
byte[] array = new byte[fi...
Generate an integer that is not among four billion given ones
...
Assuming that "integer" means 32 bits: 10 MB of space is more than enough for you to count how many numbers there are in the input file with any given 16-bit prefix, for all possible 16-bit prefixes in one pass through the input file. At least one of the ...
Npm Please try using this command again as root/administrator
...
You should run cmd.exe as administrator.
Follow the following steps:
Click Start, click All Programs, and then click Accessories.
Right-click Command prompt, and then click Run as administrator.
...
converting a base 64 string to an image and saving it
...with image.Save(...).
public Image LoadImage()
{
//data:image/gif;base64,
//this image is a single pixel (black)
byte[] bytes = Convert.FromBase64String("R0lGODlhAQABAIAAAAAAAAAAACH5BAAAAAAALAAAAAABAAEAAAICTAEAOw==");
Image image;
using (MemoryStream ms = new MemoryStream(bytes...
How to save a PNG image server-side, from a base64 data string
...nvert canvas drawings to PNG images.
What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP.
...
Trying to understand CMTime and CMTimeMake
...following code makes the concept more clear:
1)
Float64 seconds = 5;
int32_t preferredTimeScale = 600;
CMTime inTime = CMTimeMakeWithSeconds(seconds, preferredTimeScale);
CMTimeShow(inTime);
The above code gives:
{3000/600 = 5.000}
Which means a total duration of 5 seconds, with 3000 frames wi...
Why do we use Base64?
...
Your first mistake is thinking that ASCII encoding and Base64 encoding are interchangeable. They are not. They are used for different purposes.
When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes.
When you encode data in Base64, you sta...