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UILabel sizeToFit doesn't work with autolayout ios6
... iOS Auto Layout Demystified, this is:
the way a view prefers to avoid extra padding around it's core content
For us, with the UILabel, the core content is the text.
Here we come to the heart of this basic scenario. We have given our text label two constraints. They conflict. One says "the he...
How to get a variable name as a string in PHP?
...and using a variable variable name?
$var_name = "FooBar";
$$var_name = "a string";
then you could just
print($var_name);
to get
FooBar
Here's the link to the PHP manual on Variable variables
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...
Is there a difference between using a dict literal and a dict constructor?
...o be extra nice. Just as it always seems to offer to convert single-quoted strings into double-quoted -- for no apparent reason.
– maligree
Jul 7 '11 at 12:53
1
...
SELECT * FROM X WHERE id IN (…) with Dapper ORM
...
Dapper supports this directly. For example...
string sql = "SELECT * FROM SomeTable WHERE id IN @ids"
var results = conn.Query(sql, new { ids = new[] { 1, 2, 3, 4, 5 }});
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...
RGB to hex and hex to RGB
...required zero padding:
function componentToHex(c) {
var hex = c.toString(16);
return hex.length == 1 ? "0" + hex : hex;
}
function rgbToHex(r, g, b) {
return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}
alert(rgbToHex(0, 51, 255)); // #0033ff
Conve...
Return anonymous type results?
...:
public class DogWithBreed
{
public Dog Dog { get; set; }
public string BreedName { get; set; }
}
public IQueryable<DogWithBreed> GetDogsWithBreedNames()
{
var db = new DogDataContext(ConnectString);
var result = from d in db.Dogs
join b in db.Breeds on d.B...
How do I print a double value with full precision using cout?
... calculates the right precision for me. And it's fast, too.
#include <string>
#include <boost/lexical_cast.hpp>
using boost::lexical_cast;
using std::string;
double d = 3.14159265358979;
cout << "Pi: " << lexical_cast<string>(d) << endl;
Output:
Pi: 3.14...
Include only certain file types when searching in Visual Studio
...g box, go to "find options->Look at these file types".
Type in you own string, eg, *.cs, *.aspx, *.ascx. The click the "find all" button.
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fo...
Can virtual functions have default parameters?
...ctly the same in almost every way except default visibility.
#include <string>
#include <sstream>
#include <iostream>
#include <iomanip>
using std::stringstream;
using std::string;
using std::cout;
using std::endl;
struct Base { virtual string Speak(int n = 42); };
struct ...
Using C++ library in C code
... with extern "C":
extern "C" int foo(char *bar)
{
return realFoo(std::string(bar));
}
Then, you will call foo() from your C module, which will pass the call on to the realFoo() function which is implemented in C++.
If you need to expose a full C++ class with data members and methods, then yo...