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Handling an empty UITableView. Print a friendly message
...import UIKit
extension UITableView {
func setEmptyMessage(_ message: String) {
let messageLabel = UILabel(frame: CGRect(x: 0, y: 0, width: self.bounds.size.width, height: self.bounds.size.height))
messageLabel.text = message
messageLabel.textColor = .black
messa...
Casting a variable using a Type variable
... int x = (int)obj;
DoSomethingWithInt(x);
} else if (type == typeof(string)) {
string s = (string)obj;
DoSomethingWithString(s);
} // ...
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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...
PDO Prepared Inserts multiple rows in single query
...all it once before the loop with sizeof($datafields) and append the result string to $question_marks[] inside the loop.
– AVIDeveloper
Jun 28 '16 at 7:44
|...
Why would one use nested classes in C++?
... BOX, BAG, CRATE
};
Product(ProductType t, ProductBoxType b, String name);
// the rest of the class: fields, methods
};
One then will call:
Product p(Product::FANCY, Product::BOX);
But when looking at code completion proposals for Product::, one will often get all the possibl...
Test for existence of nested JavaScript object key
...y property keys change (they will), all devs on the project would have to 'string search' the entire codebase. This isn't really a solution to the problem, as it introduces a much bigger problem
– Drenai
Jan 14 '18 at 11:20
...
Get size of all tables in database
...with filtered indexes: For each filtered index for a given table, I see an extra row with that tables's name in the results. The "RowCounts" of each of those extra rows corresponds to the number of rows covered by one of the filtered indexes. (on Sql2012)
– Akos Lukacs
...
How does #include work in C++? [duplicate]
... words it's perfectly legal for an implementation to declare the name std::string directly or indirectly when using #include <vector>).
Despite this however you are required by the language to know and tell the compiler which standard header includes which part of the standard library. This i...
Correct way to load a Nib for a UIView subclass
...sult = nil;
NSArray* elements = [[NSBundle mainBundle] loadNibNamed: NSStringFromClass([self class]) owner:self options: nil];
for (id anObject in elements)
{
if ([anObject isKindOfClass:[self class]])
{
result = anObject;
break;
}
}
...
Better way to check variable for null or empty string?
...tion (present and neither empty nor only white space
function IsNullOrEmptyString($str){
return (!isset($str) || trim($str) === '');
}
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