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C++ : why bool is 8 bits long?

...or booleans, in a way. I seem to remember Pascal implementing sets as bit strings. That is, for the following set: {1, 2, 5, 7} You might have this in memory: 01100101 You can, of course, do something similar in C / C++ if you want. (If you're keeping track of a bunch of booleans, it could ...
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How to determine a user's IP address in node

How can I determine the IP address of a given request from within a controller? For example (in express): 19 Answers ...
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How to read a file without newlines?

...ing file one row at the time. Removing unwanted chars with from end of the string str.rstrip(chars) with open(filename, 'r') as fileobj: for row in fileobj: print( row.rstrip('\n') ) see also str.strip([chars]) and str.lstrip([chars]) (python >= 2.0) ...
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C# HTTP上传文件(客户端及服务器端) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ent = new System.Net.WebClient(); string url = "http://(服务端地址:端口)/Upload.aspx"; // 同步上传(阻塞线程) client.UploadFile(url, "d:\\test_client.txt"); -----------------或者(两者取其一)------------------- // 异步上传(不阻塞线程)...
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C# HTTP上传文件(客户端及服务器端) - .NET(C#) - 清泛IT论坛,有思想、有深度

...bsp;      string url = "http://(服务端地址:端口)/Upload.aspx";                // 同步上传(阻塞线程)                client.UploadFile(url, "d:\...
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Finding local IP addresses using Python's stdlib

How can I find local IP addresses (i.e. 192.168.x.x or 10.0.x.x) in Python platform independently and using only the standard library? ...
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How do I match any character across multiple lines in a regular expression?

... base R default engine with no perl=TRUE, for base R with perl=TRUE or for stringr/stringi patterns, use the (?s) inline modifier) (demo) also treat . the same way. However, most POSIX based tools process input line by line. Hence, . does not match the line breaks just because they are not in sco...
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How to test an SQL Update statement before running it?

...s a repeat of other answers, but it has some emotional support to take the extra step for testing update :D For testing update, hash # is your friend. If you have an update statement like: UPDATE wp_history SET history_by="admin" WHERE history_ip LIKE '123%' You hash UPDATE and SET out for tes...
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Why is a boolean 1 byte and not 1 bit of size?

...Obviously, such a pointer would not be convertible to void* because of the extra storage requirement for the bit number. – Maxim Egorushkin Jan 7 '11 at 17:10 ...
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Calculate MD5 checksum for a file

...terested in comparing the hashes.) If you need to represent the hash as a string, you could convert it to hex using BitConverter: static string CalculateMD5(string filename) { using (var md5 = MD5.Create()) { using (var stream = File.OpenRead(filename)) { var ha...