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Remove spaces from std::string in C++
What is the preferred way to remove spaces from a string in C++? I could loop through all the characters and build a new string, but is there a better way?
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How can I read and parse CSV files in C++?
...e (OK 14 ->But its only 15 to read the whole file).
std::vector<std::string> getNextLineAndSplitIntoTokens(std::istream& str)
{
std::vector<std::string> result;
std::string line;
std::getline(str,line);
std::stringstream lineStream(line);...
Undefined reference to static constexpr char[]
...n initializer.
So then the question becomes, is baz odr-used here:
std::string str(baz);
and the answer is yes, and so we require a namespace scope definition as well.
So how do we determine if a variable is odr-used? The original C++11 wording in section 3.2 [basic.def.odr] says:
An expr...
String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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How can I hash a password in Java?
...der enc = Base64.getEncoder();
System.out.printf("salt: %s%n", enc.encodeToString(salt));
System.out.printf("hash: %s%n", enc.encodeToString(hash));
Here's a utility class that you can use for PBKDF2 password authentication:
import java.security.NoSuchAlgorithmException;
import java.security.Secu...
How can I remove a character from a string using Javascript?
...st isn't right.
All I would like to do is remove the character r from a string.
The problem is, there is more than one instance of r in the string.
However, it is always the character at index 4 (so the 5th character).
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C++11 reverse range-based for-loop
...his answer needs to be updated for recent compiler versions, where all the extra lines are not needed at all.
– Prikso NAI
Apr 27 '16 at 12:37
2
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How to check if character is a letter in Javascript?
I am extracting a character in a Javascript string with:
14 Answers
14
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Check if two linked lists merge. If so, where?
...fy this). Reason is both pointers have to travel same distances head1-> IP + head2->IP before reaching IP again. So by the time it reaches IP, both pointers will be equal and we have the merging point.
– adev
Jul 28 '17 at 5:37
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Obfuscated C Code Contest 2006. Please explain sykes2.c
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__TIME__ is a special macro defined by the preprocessor. It expands to a string constant containing the time at which the preprocessor was run, in the form "HH:MM:SS". Observe that it contains exactly 8 characters. Note that 0-9 have ASCII values 48 through 57 and : has ASCII value 58. The output ...