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What is the optimal length for an email address in a database?
...er", and the domain part is "example.com".
The local part must not exceed 64 characters and the domain part cannot be longer than 255 characters.
The combined length of the local + @ + domain parts of an email address must not exceed 254 characters. As described in RFC3696 Errata ID 1690.
I got t...
How to create permanent PowerShell Aliases
...er users' space.
REMEMBER! The $PsHome path is different between 32bit and 64bit instances of powershell, so you have to consider both environment if you want always to execute the profile code. Usually the paths are C:\Windows\System32\WindowsPowerShell\v1.0 for the 64bit environment and C:\Windows...
How to get folder path from file path with CMD
...
See also: ss64.com/nt/syntax-args.html - use %~dp1 for drive and path only.
– Andrew
Oct 28 '17 at 1:36
2
...
Open file dialog and select a file using WPF controls and C#
...proketboy I must confess complete confusion as to what you mean by a "pure 64bit desktop application"; could you explain further? My understanding is the Microsoft.Win32 libraries are a managed API to the underlying OS; how they talk to the OS should be of no concern to the rest of my (x64 64bit) ap...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...ke this:
$ env -i perl -V
...
@INC:
/usr/lib/perl5/site_perl/5.18.0/x86_64-linux-thread-multi-ld
/usr/lib/perl5/site_perl/5.18.0
/usr/lib/perl5/5.18.0/x86_64-linux-thread-multi-ld
/usr/lib/perl5/5.18.0
.
Note . at the end; this is the current directory (which is not necessarily the same a...
Edit and Continue: “Changes are not allowed when…”
...ixed mode process
Try to set the CPU target to x86 rather than AnyCPU (on x64 machines)
Uncheck the Optimize Code checkbox for Debug Mode in Project Properties->Debug
Uncheck Enable Optimizations in Advanced Compiler Settings
(ASP.NET) Check nightcoder's answer if it is the case
(ASP.NET) Check t...
JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...ultiplyByZer0
3,73333 gold badges2727 silver badges4646 bronze badges
answered Jan 23 '13 at 12:51
Rigg802Rigg802
2,61611 gold bad...
Java NIO FileChannel versus FileOutputstream performance / usefulness
...r. Run some benchmarks with buffers of 1KB, 2KB, 4KB, 8KB, 16KB, 32KB and 64KB to prove it to yourself.
Don't perform java benchmarks that read and write to the same disk.
If you do, then you are really benchmarking the disk, and not Java. I would also suggest that if your CPU is not busy, then ...
Fastest hash for non-cryptographic uses?
...;
}
?>
And the output
1 - crc32b 0.111036300659
2 - crc32 0.112048864365
3 - md4 0.120795726776
4 - md5 0.138875722885
5 - sha1 0.146368741989
6 - adler32 0.15501332283
7 - tiger192,3 0.177447080612
8 - tiger160,3 0.179498195648
9 - tiger128,3 0.184012889862
10 - ripemd128 0.184052705765
11 ...
Environment variables for java installation
...
Java SE Development Kit 8u112 on a 64-bit Windows 7 or Windows 8
Set the following user environment variables (== environment variables of type user variables)
JAVA_HOME : C:\Program Files\Java\jdk1.8.0_112
JDK_HOME : %JAVA_HOME%
JRE_HOME : %JAVA_HOME%\jr...