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Convert a string representation of a hex dump to a byte array using Java?

I am looking for a way to convert a long string (from a dump), that represents hex values into a byte array. 24 Answers ...
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How to send a simple string between two programs using pipes?

... { char buff[1024] = {0}; FILE* cvt; int status; /* Launch converter and open a pipe through which the parent will write to it */ cvt = popen("converter", "w"); if (!cvt) { printf("couldn't open a pipe; quitting\n"); exit(1) } printf("enter Fahrenh...
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Converting BigDecimal to Integer

...rge. To get the best of both worlds, round off the BigDecimal first, then convert. This also has the benefit of giving you more control over the rounding process. Spock Groovy Test void 'test BigDecimal rounding'() { given: BigDecimal decimal = new BigDecimal(Integer.MAX_VALUE - 1.99) ...
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How can I check if an ip is in a network in Python?

...ong integer" return (2L<<n-1) - 1 def dottedQuadToNum(ip): "convert decimal dotted quad string to long integer" return struct.unpack('L',socket.inet_aton(ip))[0] def networkMask(ip,bits): "Convert a network address to a long integer" return dottedQuadToNum(ip) & make...
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Encrypt and decrypt a string in C#?

... { // prepend the IV msEncrypt.Write(BitConverter.GetBytes(aesAlg.IV.Length), 0, sizeof(int)); msEncrypt.Write(aesAlg.IV, 0, aesAlg.IV.Length); using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.W...
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Specifically, what's dangerous about casting the result of malloc?

...h. Compilers may assume that malloc is a function returning int, therefore converting the void* pointer actually returned by malloc to int and then to your pointer type due to the explicit cast. On some platforms, int and pointers may take up different numbers of bytes, so the type conversions may l...
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Is there an exponent operator in C#?

...rator for C# was a big annoyance for us when looking for a new language to convert our calculation software to from the good ol' vb6. I'm glad we went with C# but it still annoys me whenever I'm writing a complex equation including exponents. The Math.Pow() method makes equations quite hard to read ...
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Unique random string generation

... way, but to get something looking like your example, you probably want to convert it to a Base64 string: Guid g = Guid.NewGuid(); string GuidString = Convert.ToBase64String(g.ToByteArray()); GuidString = GuidString.Replace("=",""); GuidString = GuidString.Replace("+",""); I get r...
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分布式系统的事务处理 - 大数据 & AI - 泛网 - 专注C/C++及内核技术

分布式系统的事务处理当我们在生产线上用一台服务器来提供数据服务的时候,我会遇到如下的两个问题:1)一台服务器的性能不足以提供足够的能力服务于所有的网络...当我们在生产线上用一台服务器来提供数据服务的时候...
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Get the generated SQL statement from a SqlCommand object?

....AppendLine(";"); sql.AppendLine("select 'Return Value' = convert(varchar, @return_value);"); foreach (SqlParameter sp in sc.Parameters) { if ((sp.Direction == ParameterDirection.InputOutput) || (sp.Direction == ParameterDirection...