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Integer to hex string in C++
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WARNIG: this will not work for single byte because char is always threated as char
– ov7a
Feb 15 '16 at 9:36
5
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Padding characters in printf
...t you hard code the value to the largest one you need and use padlength to select the actual length to output.
– Paused until further notice.
Nov 19 '18 at 13:53
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What is the difference between const int*, const int * const, and int const *?
...ften 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 shouldn't be changed.
bar is a constant or fi...
Yes/No message box using QMessageBox
...lude <QApplication>
#include <QMessageBox>
int main(int argc, char **argv)
{
QApplication app{argc, argv};
while (QMessageBox::question(nullptr,
qApp->translate("my_app", "Test"),
qApp->translate("my_app", "...
✔ Checkmark selected row in UITableViewCell
...pment newbie. I want to add a checkmark to my UITableViewCell when it is selected. The checkmark should be removed when another row is selected. How would I do this?
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How to stop C++ console application from exiting immediately?
..., please expand Configuration Properties -> Linker -> System, please select Console (/SUBSYSTEM:CONSOLE) in SubSystem dropdown. Because, by default, the Empty project does not specify it.
share
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How do I reset a sequence in Oracle?
...q_name in varchar2 )
is
l_val number;
begin
execute immediate
'select ' || p_seq_name || '.nextval from dual' INTO l_val;
execute immediate
'alter sequence ' || p_seq_name || ' increment by -' || l_val ||
' minvalue 0';
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MySQL: determine which database is selected?
After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
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How do I do a case-insensitive string comparison?
... Greek letters is not the only special case! In U.S. English, the character "i" (\u0069) is the lowercase version of the character "I" (\u0049). However, the Turkish ("tr-TR") alphabet includes an "I with a dot" character "İ" (\u0130), which is the capital version of "i" and "I" is the cap...
MySQL: selecting rows where a column is null
I'm having a problem where when I try to select the rows that have a NULL for a certain column, it returns an empty set. However, when I look at the table in phpMyAdmin, it says null for most of the rows.
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