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What are named pipes?
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#include <sys/types.h>
#include <sys/stat.h>
int mkfifo(const char *pathname, mode_t mode);
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How can I limit possible inputs in a HTML5 “number” element?
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You can use the HTML5 oninput event in JavaScript to limit the number of characters:
myInput.oninput = function () {
if (this.value.length > 4) {
this.value = this.value.slice(0,4);
}
}
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How to repeat a string a variable number of times in C++?
...ng in C++. Is there any direct way to do this using either std::strings or char* strings?
8 Answers
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...e basic multilingual plane. They cannot be even represented in java as one char, "????????".length() == 4. They are definitely not null characters and one will see squares if you are not using fonts that support them.
MySQL's utf8 only supports basic multilingual plane, and you need to use utf8mb4 ...
How to remove unused C/C++ symbols with GCC and ld?
...shorter names for symbols (can help a bit, likely not too much); use const char x[] where possible; ... this paper, though it talks about dynamic shared objects, can contain suggestions that, if followed, can help to make your final binary output size smaller (if your target is ELF).
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Similarity String Comparison in Java
...ns Text's implementation of Levenshtein distance:
apply(CharSequence left, CharSequence rightt)
Implement it in your own. Below you'll find an example implementation.
Working example:
See online demo here.
public class StringSimilarity {
/**
* Calculates the similarity...
jQuery removing '-' character from string
I have a string "-123445". Is it possible to remove the '-' character from the string?
3 Answers
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How to bind inverse boolean properties in WPF?
... which is easily missed when it (as is often the case) is embedded next to chars that look like it (i.e. one/more "("'s and "l"'s and "I"'s).
– Tom
Jan 18 '18 at 1:54
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Is there a way to loop through a table variable in TSQL without using a cursor?
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This is how I do it:
declare @RowNum int, @CustId nchar(5), @Name1 nchar(25)
select @CustId=MAX(USERID) FROM UserIDs --start with the highest ID
Select @RowNum = Count(*) From UserIDs --get total number of records
WHILE @RowNum > 0 --loop...
Fastest way to check if a file exist using standard C++/C++11/C?
...r. This does not use many fancy features of C++:
bool is_file_exist(const char *fileName)
{
std::ifstream infile(fileName);
return infile.good();
}
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