大约有 40,000 项符合查询结果（耗时：0.0180秒） [XML]
How to unit test an object with database queries
I've heard that unit testing is "totally awesome", "really cool" and "all manner of good things" but 70% or more of my files involve database access (some read and some write) and I'm not sure how to write a unit test for these files.
...
What is the advantage of GCC's __builtin_expect in if else statements?
... 7: R_X86_64_PC32 time-0x4
b: 48 85 c0 test %rax,%rax
e: 75 0a jne 1a <main+0x1a>
10: bf 00 00 00 00 mov $0x0,%edi
11: R_X86_64_32 .rodata.str1.1
15: e8 00 00 00 00 call...
mongodb: insert if not exists
... v2.5.4 or there abouts. If you see this message or issue, just get the latest version.
– Kieren Johnstone
May 17 '15 at 20:16
add a comment
|
...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...ariables as well, on can do a $defined_vars = get_defined_vars(); and then test via array_key_exists('v', $defined_vars);.
– Henrik Opel
Sep 27 '10 at 16:01
1
...
Context switches much slower in new linux kernels
...to zero, hopefully disabling it as well. I do not have a system that I can test this on, because intel_idle.max_cstate=0 completely knocks out the cpuidle driver on all of the hardware available to me. However, if your installation does revert you from intel_idle to acpi_idle with just the first boo...
Code Golf: Collatz Conjecture
..., eax
push eax
push msg
.loop:
mov [esp+0x04], ebx
call printf
test ebx, 0x01
jz .even
.odd:
lea ebx, [1+ebx*2+ebx]
jmp .loop
.even:
shr ebx, 1
cmp ebx, 1
jne .loop
push ebx
push end
call printf
add esp, 16
xor eax, eax
ret
.usage:
mov ebx, [esp+0x08]
pu...
Iterate over object attributes in python
...t; yc = YourClass()
>>> yc.one = range(15)
>>> yc.two = 'test'
>>> dict(yc)
{'one': [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14], 'two': 'test'}
share
|
improve thi...
Is there a “goto” statement in bash?
...ho "This is not printed!"
foo:
x=${x:-10}
echo x is $x
results in:
$ ./test.sh
x is 100
$ ./test.sh foo
x is 10
$ ./test.sh mid
This is not printed!
x is 101
share
|
improve this answer
...
List all the files that ever existed in a Git repository
...e <your@email.com>
Date: Tue Aug 12 13:28:34 2008 -0700
Added test file.
A test
Then extract files added:
git-log --name-status | sed -ne 's/^A[^u]//p' | sort -u
share
|
impr...
What is time_t ultimately a typedef to?
...
#include <time.h>
int main(int argc, char** argv)
{
time_t test;
return 0;
}
[root]# gcc -E time.c | grep __time_t
typedef long int __time_t;
It's defined in $INCDIR/bits/types.h through:
# 131 "/usr/include/bits/types.h" 3 4
# 1 "/usr/include/bits/typesizes.h" 1 3 4
# 1...