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How to convert a number to string and vice versa in C++
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Update for C++11
As of the C++11 standard, string-to-number conversion and vice-versa are built in into the standard library. All the following functions are present in <string> (as per paragraph 21.5).
string to numeric
float stof(const string&am...
std::wstring VS std::string
I am not able to understand the differences between std::string and std::wstring . I know wstring supports wide characters such as Unicode characters. I have got the following questions:
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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 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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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
...ement studio when generating sql scripts -- I'm assuming it's some sort of extra redundancy, possibly to ensure the constraint is enabled even if the default constraint behavior for a table is changed.
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What is the difference between const int*, const int * const, and int const *?
... but not the value that you point to. Most often this is seen with C-style strings where you have a pointer to a const char. You may change which string you point to but you can't change the content of these strings. This is important when the string itself is in the data segment of a program and sh...
How do I read text from the (windows) clipboard from python?
...he shortest and easiest method I've seen, as in this post: How do I copy a string to the clipboard on Windows using Python?
Plus, Tkinter is in the python standard library.
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In-Place Radix Sort
...place but requires 2 * seq.length passes through the array.
void radixSort(string[] seqs, size_t base = 0) {
if(seqs.length == 0)
return;
size_t TPos = seqs.length, APos = 0;
size_t i = 0;
while(i < TPos) {
if(seqs[i][base] == 'A') {
swap(seqs[i], seq...
Sort a single String in Java
Is there a native way to sort a String by its contents in java? E.g.
10 Answers
10
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MySQL - length() vs char_length()
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LENGTH() returns the length of the string measured in bytes.
CHAR_LENGTH() returns the length of the string measured in characters.
This is especially relevant for Unicode, in which most characters are encoded in two bytes. Or UTF-8, where the number of by...