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Error: Can't set headers after they are sent to the client
...eader gets sent, but then further headers (like a 30X redirect) try to add extra headers, but it's too late since the response header has already been transmitted.
I'm not sure exactly what's causing your error, but look at any callbacks as potential areas to investigate.
One easy tip to simplify ...
Str_replace for multiple items
...se str_replace to replace one character like this: str_replace(':', ' ', $string); but I want to replace all the following characters \/:*?"<>| , without doing a str_replace for each.
...
Correct way to load a Nib for a UIView subclass
...sult = nil;
NSArray* elements = [[NSBundle mainBundle] loadNibNamed: NSStringFromClass([self class]) owner:self options: nil];
for (id anObject in elements)
{
if ([anObject isKindOfClass:[self class]])
{
result = anObject;
break;
}
}
...
Better way to check variable for null or empty string?
...tion (present and neither empty nor only white space
function IsNullOrEmptyString($str){
return (!isset($str) || trim($str) === '');
}
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iOS: how to perform a HTTP POST request?
...nd/or HTTP headers, use NSMutableURLRequest with
(void)setHTTPMethod:(NSString *)method
(void)setHTTPBody:(NSData *)data
(void)setValue:(NSString *)value forHTTPHeaderField:(NSString *)field
Send your request in 2 ways using NSURLConnection:
Synchronously: (NSData *)sendSynchronousRequest:(NSU...
How can I clear scrollback buffer in Tmux?
... it only works on local shells, because it sends the tmux clear-history as string to be written to the active pane. I've adapted it to: bind-key E send-keys "C-k" \; send-keys "C-u" \; send-keys "clear" \; send-keys "Enter" \; run-shell "sleep .3s; tmux clear-history"
– Santi ...
Print list without brackets in a single row
...
If some elements in names aren't strings, use print(', '.join(map(str,name))) instead.
– Anonymous
Dec 1 '19 at 9:43
...
How to search a specific value in all tables (PostgreSQL)?
...
can you explain in detail .. ? How to search string 'ABC' into all tables ?
– Mr. Bhosale
Jan 28 '17 at 6:47
1
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Why do we need virtual functions in C++?
... virtual modifier on/off to see what happens
//virtual
std::string Says() { return "?"; }
};
class Dog: public Animal
{
public: std::string Says() { return "Woof"; }
};
void test()
{
Dog* d = new Dog();
Animal* a = d; // refer to Dog instance with Animal pointer
...
What is a reasonable code coverage % for unit tests (and why)? [closed]
...00% test coverage of all the functionality I want to provide (even for the extra cool features I came with myself and which were not discussed during the meetings).
I don't care if I would have code which is not covered in tests, but I would care if I would refactor my code and end up having a diff...