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Meaning of = delete after function declaration
...> operator T(void) = delete;
template <class T> Vuint64& operator= (const T) = delete;
template <class T> Vuint64& operator|= (const T) = delete;
template <class T> Vuint64& operator&= (const T) = delete;
...
How many random elements before MD5 produces collisions?
.... To have a 50% chance of any hash colliding with any other hash you need 264 hashes. This means that to get a collision, on average, you'll need to hash 6 billion files per second for 100 years.
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Random alpha-numeric string in JavaScript? [duplicate]
...16, 'aA'));
console.log(randomString(32, '#aA'));
console.log(randomString(64, '#A!'));
Fiddle: http://jsfiddle.net/wSQBx/2/
Alternatively, to use the base36 method as described below you could do something like this:
function randomString(length) {
return Math.round((Math.pow(36, length + 1...
TCP: can two different sockets share a port?
..., unused high-order source port. This way, a single client can have up to ~64k connections to the server for the same destination port.
So, this is really what gets created when a client connects to a server:
Local Computer | Remote Computer | Role
-----------------------------...
When are you truly forced to use UUID as part of the design?
...n 4 UUID, even if you're generating quite a few UUIDs per second.
Also, 2^64 * 16 is 256 exabytes. As in, you would need to store 256 exabytes worth of IDs before you had a 50% chance of an ID collision in a single application space.
...
How to find the Windows version from the PowerShell command line
...rkstation
OS Build Type : Multiprocessor Free
System Type : x64-based PC
System Locale : ru;Russian
Hotfix(s) : 274 Hotfix(s) Installed.,[01]: KB2849697,[02]: KB2849697,[03]:...
Windows 10 output for the same command:
OS Name : Microsoft Windows 10 Enterp...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...c/java_home -verbose
Matching Java Virtual Machines (3):
1.7.0_45, x86_64: "Java SE 7" /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home
1.7.0_09, x86_64: "Java SE 7" /Library/Java/JavaVirtualMachines/jdk1.7.0_09.jdk/Contents/Home
!1.8.0, x86_64: "Java SE 8" /Library/Ja...
How to request Administrator access inside a batch file
...This script is now slightly edited to support command line arguments and a 64 bit OS.
Thank you Eneerge @ https://sites.google.com/site/eneerge/scripts/batchgotadmin
@echo off
:: BatchGotAdmin
:-------------------------------------
REM --> Check for permissions
IF "%PROCESSOR_ARCHITECTURE...
How do I provide custom cast support for my class?
... explicit.
The syntax is like this:
public static implicit operator dbInt64(Byte x)
{
return new dbInt64(x);
}
or
public static explicit operator Int64(dbInt64 x)
{
if (!x.defined)
throw new DataValueNullException();
return x.iVal;
}
For your example, say from your custom ...
console.log timestamps in Chrome?
...
70.0.3538.110 (Official Build) (64-bit) This answer once worked for me: i.e. console "gear icon"; "Show timestamps" checkmark ... but now I don't see "Show timestamps" in Chrome 70.0.3538.110 (Official Build) (64-bit) So I tried @tekiegirl's suggestion r...