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Find a private field with Reflection?
...can do it just like with a property:
FieldInfo fi = typeof(Foo).GetField("_bar", BindingFlags.NonPublic | BindingFlags.Instance);
if (fi.GetCustomAttributes(typeof(SomeAttribute)) != null)
...
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Is there a way to delete a line in Visual Studio without cutting it?
...
@nathan_hc, that actually performs a cut, which pollutes the clipboard. (Try it yourself and paste after using CTRL-L)
– Kirk Woll
Sep 17 '10 at 2:39
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Converting an int to a binary string representation in Java?
...2) specified by the second argument.
Integer.toString(i, radix)
Example_
private void getStrtingRadix() {
// TODO Auto-generated method stub
/* returns the string representation of the
unsigned integer in concern radix*/
System.out.println("Binary eqivalent ...
What happens when there's insufficient memory to throw an OutOfMemoryError?
...I'm running (on Ubuntu 10.04) is this:
$ java -version
java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode)
Edit: I tried to see what would happen if I forced the JVM to run completely out of memory using the...
How to restore to a different database in sql server?
...F' TO 'c:\MyTempCopy.mdf',
MOVE 'LogicalNameForTheLDF' TO 'c:\MyTempCopy_log.ldf'
To create the database MyTempCopy with the contents of your.bak.
Example (restores a backup of a db called 'creditline' to 'MyTempCopy';
RESTORE FILELISTONLY FROM DISK='e:\mssql\backup\creditline.bak'
>Logic...
Simple argparse example wanted: 1 argument, 3 results
...ou started.
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("a")
args = parser.parse_args()
if args.a == 'magic.name':
print 'You nailed it!'
But this positional argument is now required. If you leave it out when invoking this program, you'll get an error about missin...
Contains method for a slice
...st, but is trivial to write:
func contains(s []int, e int) bool {
for _, a := range s {
if a == e {
return true
}
}
return false
}
You can use a map if that lookup is an important part of your code, but maps have cost too.
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Measure elapsed time in Swift
...erence in nano seconds (UInt64)
let timeInterval = Double(nanoTime) / 1_000_000_000 // Technically could overflow for long running tests
print("Time to evaluate problem \(problemNumber): \(timeInterval) seconds")
return theAnswer
}
Old answer
For Swift 1 and 2, my function uses NSDate...
What's the simplest way to test whether a number is a power of 2 in C++?
...a clever little bit hack to test that one and only one bit is set.
bool is_power_of_2(int x) {
return x > 0 && !(x & (x−1));
}
For more bit twiddling see here.
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improv...
postgresql - sql - count of `true` values
...actually omit ELSE null to get the same result.
– 200_success
May 12 '16 at 18:26
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