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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...
Should I use past or present tense in git commit messages? [closed]
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84
I wrote a fuller description on 365git.
The use of the imperative, present tense is one tha...
unable to copy/paste in mingw shell
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[Alternative] For MINGW64 (mintty 2.7.9) terminal in Windows 10, you can enable "Ctrl+Shift+letter shortcuts" to perform copy with (Ctrl+Shift+c) and paste with (Ctrl+Shift+v).
To enable the feature:
right-click command window
Click on 'Keys'
C...
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...
Best implementation for hashCode method for a collection
...sult = 31 * result + (int)(longField ^ (longField >>> 32)); // 64 bits » 32-bit
result = 31 * result + Float.floatToIntBits(floatField); // 32 bits » 32-bit
long doubleFieldBits = Double.doubleToLongBits(doubleField); // 64 bits (double) » 64-bit (long) » 32-bit...
Default constructor vs. inline field initialization
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davidxxxdavidxxx
96.3k1212 gold badges135135 silver badges154154 bronze badges
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Realistic usage of the C99 'restrict' keyword?
... *b
add R2 += R1
set R2 → *b
Does GCC really do it?
GCC 4.8 Linux x86-64:
gcc -g -std=c99 -O0 -c main.c
objdump -S main.o
With -O0, they are the same.
With -O3:
void f(int *a, int *b, int *x) {
*a += *x;
0: 8b 02 mov (%rdx),%eax
2: 01 07 add ...
Python matplotlib multiple bars
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Diptangsu Goswami
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answered Jan 11 '13 at 2:12
HYRYHYRY
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Why do this() and super() have to be the first statement in a constructor?
...use it to get around a flaw in 3rd party code.
– Thor84no
Jul 25 '12 at 9:29
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vs
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Honest Abe
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answered May 21 '11 at 7:26
CodeBoyCodeBoy
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