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How to convert CFStringRef to NSString?
...
NSString and CFStringRef are "Toll free bridged", meaning that you can simply typecast between them.
For example:
CFStringRef aCFString = (CFStringRef)aNSString;
works perfectly and transparently. Likewise:
NSString *aNSString = (NSString *)aCFString;
The previous syn...
How do you extract a column from a multi-dimensional array?
Does anybody know how to extract a column from a multi-dimensional array in Python?
20 Answers
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In c# what does 'where T : class' mean?
In C# what does where T : class mean?
10 Answers
10
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How do I see the extensions loaded by PHP?
It's got to be somewhere in the phpinfo() dump, but I just don't know where. Is it supposed to be under the "Additional Modules" section? Somewhere else? I'm trying to figure out why some extensions don't appear to be loaded, but I don't even know where I should be looking.
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best way to get the key of a key/value javascript object
...uced Object.keys. This is only supported by newer browsers but the MDC documentation provides an alternative implementation (which also uses for...in btw):
if(!Object.keys) Object.keys = function(o){
if (o !== Object(o))
throw new TypeError('Object.keys called on non-object');
v...
Sorting rows in a data table
...d then create a new DataTable from the DataView using the DataView.ToTable method:
DataView dv = ft.DefaultView;
dv.Sort = "occr desc";
DataTable sortedDT = dv.ToTable();
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How to hide underbar in EditText
...raphics you don't want. With this, your modified EditText will have the same margins and overall appearance as normal EditText fields. If you simply set the background to null, it will lose the margins.
– Peri Hartman
Mar 9 '15 at 15:38
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Remove the last three characters from a string
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myString = myString.Substring(0, myString.Length-3);
String.Substring Method (Int32, Int32)
Retrieves a substring from this instance. The substring starts at a
specified character position and has a specified length.
You can also using String.Remove(Int32) method to remove the last th...
Declare and Initialize String Array in VBA
...: myArray = Array("A", "B", 12345, "D"...)
– David Zemens
Jun 27 '14 at 15:59
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What about Dim m...
Understanding garbage collection in .NET
...ff, the jitter performs two important duties when it compiles the IL for a method into machine code. The first one is very visible in the debugger, you can see the machine code with the Debug + Windows + Disassembly window. The second duty is however completely invisible. It also generates a tabl...