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What's the difference between deque and list STL containers?
...ue because list needed more calls to new/delete. That will obviously vary based on which STL implementation you have.
– Andy Krouwel
Jun 15 '17 at 7:22
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Installing Python 3 on RHEL
...ded a comment for that. It's the best I found. If you want to stick to RPM-based installation, you should use IUS repositories for CentOS 7. They provide a python34u-pip.
– Samuel Phan
Oct 1 '15 at 21:11
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Real differences between “java -server” and “java -client”?
...tions. These two solutions share the Java HotSpot runtime environment code base, but use different compilers that are suited to the distinctly unique performance characteristics of clients and servers. These differences include the compilation inlining policy and heap defaults.
Although the Server a...
How to write a large buffer into a binary file in C++, fast?
...
std::vector<uint64_t> data = GenerateData(bytes);
std::ios_base::sync_with_stdio(false);
auto startTime = std::chrono::high_resolution_clock::now();
auto myfile = std::fstream("file.binary", std::ios::out | std::ios::binary);
myfile.write((char*)&data[0], bytes);
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Converting between datetime, Timestamp and datetime64
How do I convert a numpy.datetime64 object to a datetime.datetime (or Timestamp )?
12 Answers
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node.js hash string?
...a) {
return crypto.createHash("sha256").update(data, "binary").digest("base64");
// ------ binary: hash the byte string
}
sha256("string or binary");
Documentation:
crypto.createHash(algorithm[, options]): The algorithm is dependent on the av...
How to use OpenSSL to encrypt/decrypt files?
... enc -ciphername [-in filename] [-out filename] [-pass arg]
[-e] [-d] [-a/-base64] [-A] [-k password] [-kfile filename]
[-K key] [-iv IV] [-S salt] [-salt] [-nosalt] [-z] [-md] [-p] [-P]
[-bufsize number] [-nopad] [-debug] [-none] [-engine id]
Explanation of most useful parameters with regards t...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
I want to store a hashed password (using BCrypt) in a database. What would be a good type for this, and which would be the correct length? Are passwords hashed with BCrypt always of same length?
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Is gcc std::unordered_map implementation slow? If so - why?
...ng the code on GCC.
My answer is just to establish some kind of knowledge base to other answers.
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Is there a max array length limit in C++?
...ccess. The best way to store this data outside of an array is pretty much based on how you want to access it. If you need to access array members randomly, for most applications there tend to be ways of grouping clumps of data that tend to get accessed at the same time. For example, in large GIS ...