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How do you get a string to a character array in JavaScript?
...low
surrogates.
const a = '????????????????'.split(/(?=(?:[\0-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]))/);
console.log(a);
Reduce method (already answered by Mark Amery)
const s = '????????????????';
c...
Git Blame Commit Statistics
...rankenstein snippet with ruby in it, but it works for me flawlessly on 200,000+ LOC, and it sorts the results:
git ls-tree -r HEAD | gsed -re 's/^.{53}//' | \
while read filename; do file "$filename"; done | \
grep -E ': .*text' | gsed -r -e 's/: .*//' | \
while read filename; do git blame "$filen...
Renaming files in a folder to sequential numbers
...cond, the script can get really slow. In my case, running it on roughly 36.000 files, script moved approx. one item per second! I'm not really sure why this happens, but the rule I got from colleagues was "find is your friend".
find -name '*.jpg' | # find jpegs
gawk 'BEGIN{ a=1 }{ printf "mv %s %04...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
... a Python implementation. It takes about 0.5 seconds to calculate for N=50,000.
def max_chars(n):
dp = [0] * (n+1)
for i in xrange(n):
dp[i+1] = max(dp[i+1], dp[i]+1) # press a
for j in xrange(i+3, min(i+7, n+1)):
dp[j] = max(dp[j], dp[i]*(j-i-1)) # press select all, copy, paste x...
MySQL: ignore errors when importing?
I am importing a fairly large database. The .sql file has almost 1,000,000 lines in it. Problem is that I am getting a syntax error when trying to import the database. It says:
...
What characters are valid for JavaScript variable names?
...
1000
+50
To quot...
Best data type to store money values in MySQL
...ng decimal(10,2) for my money value, however when I put something like 867,000.00 it gets saved as 867. what am I doing wrong?
– codeinprogress
Jan 16 '17 at 14:43
add a comme...
What represents a double in sql server?
...nt.
SqlDbType Enumeration
For Lat/Long as OP mentioned.
A metre is 1/40,000,000 of the latitude, 1 second is around 30 metres. Float/double give you 15 significant figures. With some quick and dodgy mental arithmetic... the rounding/approximation errors would be the about the length of this fill ...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...存器
!process 0 0 calc.exe
!process 0 0 system
!process pid
.formats 000ab048
!dd
!pte
!ptov
!vtop
!pfn
~s
dg
!pcr
dv 显示变量值
源代码操作指令
.open，lsf，lsc，ls，l，lsp
Ctrl+O打开并查看源文件
windbg源代码不能跟踪当前指令行时，reload ima...
How can I format a decimal to always show 2 decimal places?
...('10'))
# -> '10'
str(Decimal('10.00'))
# -> '10.00'
str(Decimal('10.000'))
# -> '10.000'
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