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Typedef function pointer?
...ld use the original type, for instance
typedef int myinteger;
typedef char *mystring;
typedef void (*myfunc)();
using them like
myinteger i; // is equivalent to int i;
mystring s; // is the same as char *s;
myfunc f; // compile equally as void (*f)();
As you can ...
Tab key == 4 spaces and auto-indent after curly braces in Vim
... if I enable expandtab, is there a way to actually input the tab character in the text anyway?
– Daniele Segato
Mar 16 '16 at 10:47
3
...
What is the “assert” function?
... not raise an exception, it has parentheses around its argument, and the # character does not introduce a comment.
– Steve Jessop
Oct 15 '09 at 11:36
...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...class FileHandle
{
FILE* file;
public:
explicit FileHandle(const char* name)
{
file = fopen(name);
if (!file)
{
throw "MAYDAY! MAYDAY";
}
}
~FileHandle()
{
// The only reason we are checking the file pointer for validity
...
How to split a delimited string in Ruby and convert it to an array?
...
whitespace, with leading whitespace and runs of contiguous whitespace
characters ignored.
If pattern is a Regexp, str is divided where the pattern matches.
Whenever the pattern matches a zero-length string, str is split into
individual characters. If pattern contains groups, the respec...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
... typing in your text inside the input element. The solution is to send one character at a time and search again for the input element. (Ex. in ruby shown below)
def send_keys_eachchar(webdriver, elem_locator, text_to_send)
text_to_send.each_char do |char|
input_elem = webdriver.find_element(e...
How can I wrap text to some length in Vim?
...
Once you set 'textwidth', you can select text with visual mode and press gq to wrap it nicely (you can also use Q on some older/legacy configurations).
A few useful tips:
gqq (wrap the current line)
gq} (wrap this 'paragraph', i.e. until the next blank line...
Simple example of threading in C++
...
// do stuff
}
void task2() {
// do stuff
}
int main (int argc, char ** argv) {
using namespace boost;
thread thread_1 = thread(task1);
thread thread_2 = thread(task2);
// do other stuff
thread_2.join();
thread_1.join();
return 0;
}
...
What's the easiest way to escape HTML in Python?
...; to &
That is enough for all HTML.
EDIT: If you have non-ascii chars you also want to escape, for inclusion in another encoded document that uses a different encoding, like Craig says, just use:
data.encode('ascii', 'xmlcharrefreplace')
Don't forget to decode data to unicode first, us...
How to loop backwards in python? [duplicate]
...th = len(text)-1
# loop through the string in reverse and append each character
# deprecate the length index
while length>=0:
txet += "%s"%text[length]
length-=1
return txet
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