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Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
...ckbox, then compile and run.
class myclass
{
public static void Main(string[] args)
{
unsafe
{
int iData = 10;
int* pData = &iData;
Console.WriteLine("Data is " + iData);
Console.WriteLine("Address is " + (int)pData...
How to get the build/version number of your Android application?
...nfo = context.getPackageManager().getPackageInfo(getPackageName(), 0);
String version = pInfo.versionName;
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
And you can get the version code by using this
int verCode = pInfo.versionCode;
...
string sanitizer for filename
I'm looking for a php function that will sanitize a string and make it ready to use for a filename. Anyone know of a handy one?
...
Convert base class to derived class [duplicate]
... { get; set; }
}
class B
{
public int IntProp { get; set; }
public string StrProp { get; set; }
}
In global.asax or application startup:
AutoMapper.Mapper.CreateMap<A, B>();
Usage:
var b = AutoMapper.Mapper.Map<B>(a);
It's easily configurable via a fluent API.
...
Ruby: Easiest Way to Filter Hash Keys?
...n use the select method. You'll need to convert the key from a Symbol to a String to do the regexp match. This will give you a new Hash with just the choices in it.
choices = params.select { |key, value| key.to_s.match(/^choice\d+/) }
or you can use delete_if and modify the existing Hash e.g.
pa...
Enter “&” symbol into a text Label in Windows Forms?
...
@BoltClock thanks. It was easy enough to do, I just used String.Replace("&", "&&") whenever I set the text, so I could escape the ampersand without mutating my object itself and screw up how it's displayed elsewhere.
– AdamMc331
Se...
Declaring variables inside loops, good practice or bad practice?
...
@BillyONeal: For string and vector specifically, the assignment operator can reuse the allocated buffer each loop, which (depending on your loop) may be a huge time savings.
– Mooing Duck
Jan 9 '18 at 22...
How do you round to 1 decimal place in Javascript?
...nded.toFixed(1)
// fixed is always to 1 d.p.
// NOTE: .toFixed() returns a string!
// To convert back to number format
parseFloat(number.toFixed(2))
// 12.34
// but that will not retain any trailing zeros
// So, just make sure it is the last step before output,
// and use a number format during ca...
Passing command line arguments in Visual Studio 2010?
...t double quotes as shown in the example below.
static void Main(string[] args)
{
if(args == null || args.Length == 0)
{
Console.WriteLine("Please specify arguments!");
}
else
{
Console.Writ...
Escaping ampersand character in SQL string
...the ascii code for ampersand, and in this form it will be interpreted as a string, nothing else. I tried it and it worked.
Another way could be using LIKE and an underline instead the '&' character:
node_name LIKE 'Geometric Vectors _ Matrices'
The chance that you'll find some other recor...