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.NET unique object identifier
... There could be some usefulness to having each object assigned a unique 64-bit ID, especially if such IDs were issued sequentially. I'm not sure the usefulness would justify the cost, but such a thing could be helpful if one compares two distinct immutable objects and finds them equal; if one wh...
Is it safe to assume a GUID will always be unique?
... numbers are still high, the chances of a GUID collision are over 50% at 2^64 GUIDs.
– NullUserException
Oct 22 '12 at 23:23
...
Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6
...ation from Android community
Worked for me, sort of.. .
(Windows 8.1 Pro 64 Bit, Java JDK 1.7 Update 25, Eclipse Standard Kepler Service Release 1, Android Development Toolkit 22.6.0.v201403010043-1049357)
Update 1
Further research revealed that launching AVD Manager from SDK Manager (Tools --&g...
Specify JDK for Maven to use
...ble. For example (in bash shell): JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/ mvn -Dmaven.compiler.fork=true -Dmaven.compiler.executable=/usr/lib/jvm/java-8-openjdk-amd64/bin/javac spring-boot:run
– Enrique S. Filiage
Mar 31 at 19:02
...
How to initialize all members of an array to the same value?
...VAL_16X VAL_8X, VAL_8X
#define VAL_32X VAL_16X, VAL_16X
#define VAL_64X VAL_32X, VAL_32X
int myArray[53] = { VAL_32X, VAL_16X, VAL_4X, VAL_1X };
If you need to change the value, you have to do the replacement at only one place.
Edit: possible useful extensions
(courtesy of Jonathan Le...
Best way to convert an ArrayList to a string
...om the above program:
61: new #13; //class java/lang/StringBuilder
64: dup
65: invokespecial #14; //Method java/lang/StringBuilder."<init>":()V
68: aload_2
69: invokevirtual #15; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
7...
How do I calculate percentiles with python/numpy?
...6, 1.92, 1.98, 2.04, 2.1, 2.16, 2.22, 2.28, 2.34, 2.4, 2.46, 2.52, 2.58, 2.64, 2.7, 2.76, 2.82, 2.88, 2.94, 3.0, 3.06, 3.12, 3.18, 3.24, 3.3, 3.36, 3.42, 3.48, 3.54, 3.6, 3.66, 3.72, 3.78, 3.84, 3.9, 3.96, 4.02, 4.08, 4.14, 4.2, 4.26, 4.32, 4.38, 4.44, 4.5, 4.56, 4.62, 4.68, 4.74, 4.8, 4.86, 4.92, 4...
What is the optimal length for user password salt? [closed]
...nly need to be long enough so that each user's salt will be unique. Random 64-bit salts are very unlikely to ever repeat even with a billion registered users, so this should be fine. A singly repeated salt is a relatively minor security concern, it allows an attacker to search two accounts at once b...
Map a network drive to be used by a service
...
Use this at your own risk. (I have tested it on XP and Server 2008 x64 R2)
For this hack you will need SysinternalsSuite by Mark Russinovich:
Step one:
Open an elevated cmd.exe prompt (Run as administrator)
Step two:
Elevate again to root using PSExec.exe:
Navigate to the folder containing...
Why are primes important in cryptography?
...ch qbit can have 3 values, thus the new technology is base 3 not base 2. a 64 qbits CPU would have 3^64 combinations in a word. Don't know how it impacts performance.
– juanmf
Jun 27 '17 at 5:07
...