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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
...t. Many thanks to him - and please visit his blog, which rocks.
The value 0 here is only special because it's not a valid state which you might be in just before the await in a normal case. In particular, it's not a state which the state machine may end up testing for elsewhere. I believe that usin...
CSS Box Shadow - Top and Bottom Only [duplicate]
...operty can accept a comma-separated list of shadows like this:
box-shadow: 0px 10px 5px #888, 0px -10px 5px #888;
This will give you some control over the "amount" of shadow in each direction.
Have a look at http://www.css3.info/preview/box-shadow/ for more information about box-shadow.
Hope this w...
Optional Parameters with C++ Macros
...rd trick to count the number of arguments to a macro.
enum
{
plain = 0,
bold = 1,
italic = 2
};
void PrintString(const char* message, int size, int style)
{
}
#define PRINT_STRING_1_ARGS(message) PrintString(message, 0, 0)
#define PRINT_STRING_2_ARGS(message, size) ...
How do you validate a URL with a regular expression in Python?
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answered May 6 '09 at 1:09
S.LottS.Lott
349k7373 gold badges478478 silver badges750750 bronze badges
...
Why does struct alignment depend on whether a field type is primitive or user-defined?
...est = new RefAndTwoInt32Wrappers();
test.text = "adsf";
test.x.x = 0x11111111;
test.y.x = 0x22222222;
Console.ReadLine(); // <=== Breakpoint here
When the breakpoint hits, use Debug + Windows + Memory + Memory 1. Switch to 4-byte integers and put &test in the Address f...
How to check if an int is a null
...
An int is not null, it may be 0 if not initialized.
If you want an integer to be able to be null, you need to use Integer instead of int.
Integer id;
String name;
public Integer getId() { return id; }
Besides the statement if(person.equals(null)) can...
RuntimeWarning: invalid value encountered in divide
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evadeflow
3,8243030 silver badges3737 bronze badges
answered Apr 16 '14 at 18:05
Yan ZhuYan Zhu
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How to customize the background/border colors of a grouped table view cell?
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100
UPDATE: In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that make...
Regex how to match an optional character
...e letter optional. {1} is redundant. (Of course you could also write [A-Z]{0,1} which would mean the same, but that's what the ? is there for.)
You could improve your regex to
^([0-9]{5})+\s+([A-Z]?)\s+([A-Z])([0-9]{3})([0-9]{3})([A-Z]{3})([A-Z]{3})\s+([A-Z])[0-9]{3}([0-9]{4})([0-9]{2})([0-9]{2})
...
How to round to 2 decimals with Python?
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edited Nov 26 '19 at 18:40
Boris
4,69255 gold badges4242 silver badges5252 bronze badges
answered Dec 8...