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How to check if an object is nullable?
...t { return true; }
}
then
static void Main(string[] args)
{
int a = 123;
int? b = null;
object c = new object();
object d = null;
int? e = 456;
var f = (int?)789;
bool result1 = ValueTypeHelper.IsNullable(a); // false
bool result2 = ValueTypeHelper.IsNullable(b); /...
How to display count of notifications in app launcher icon [duplicate]
...
123
Android ("vanilla" android without custom launchers and touch interfaces) does not allow chang...
Detect 7 inch and 10 inch tablet programmatically
...and it incorrectly reports a resolution of 1280x752. I stumbled upon this post here that confirms this. Basically, in ICS/JB the calculations using the metrics mentioned above appear to exclude the dimensions of the Navigation Bar. Some more research led me to Frank Nguyen's answer here that uses d...
Is there a perfect algorithm for chess? [closed]
...around 10^46.
The complete chess search tree (Shannon number) is around 10^123, based on an average branching factor of 35 and an average game length of 80.
For comparison, the number of atoms in the observable universe is commonly estimated to be around 10^80.
All endgames of 6 pieces or less have...
What is the difference between char array and char pointer in C?
...
why i can set char *name; name="123"; but can do the same with int type? And after using %c to print name , the output is unreadable string: �?
– TomSawyer
Apr 23 at 19:52
...
What's the best way to send a signal to all members of a process group?
...
As usual with almost any command, if you want a normal argument that starts with a - to not be interpreted as a switch, precede it with --: kill -- -GPID
– ysth
Dec 24 '08 at 21:47
...
How do you unit test private methods?
...
123
If you are using .net, you should use the InternalsVisibleToAttribute.
...
How to write a multidimensional array to a text file?
...0 114.00 115.00 116.00 117.00 118.00 119.00
120.00 121.00 122.00 123.00 124.00 125.00 126.00 127.00 128.00 129.00
130.00 131.00 132.00 133.00 134.00 135.00 136.00 137.00 138.00 139.00
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# New sli...
How can I check if character in a string is a letter? (Python)
...
You can use str.isalpha().
For example:
s = 'a123b'
for char in s:
print(char, char.isalpha())
Output:
a True
1 False
2 False
3 False
b True
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improve thi...
Error: could not find function … in R
...nctions.
If you have no clue about the package, you can use findFn in the sos package as explained in this answer.
RSiteSearch("some.function") or searching with rdocumentation or rseek are alternative ways to find the function.
Sometimes you need to use an older version of R, but run code created...