大约有 44,000 项符合查询结果（耗时：0.0244秒） [XML]
How to export and import a .sql file from command line with options? [duplicate]
... all privileges on *.* to root@"%" identified by "Passwd";
ERROR 2006 (HY000) at line 866: MySQL server has gone away
mysqldump: Got errno 32 on write
# set this values big enough on destination mysql server, like: max_allowed_packet=1024*1024*20
# use compress parameter '-C'
# use trickle to lim...
Format JavaScript date as yyyy-mm-dd
...e.getTimezoneOffset()
yourDate = new Date(yourDate.getTime() + (offset*60*1000))
return yourDate.toISOString().split('T')[0]
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【最全】CSS响应式布局的5种实现方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... （min-width 从小到大）
<style>
body {
background-color: #000;
}
@media screen and (min-width: 576px) {
body {
background-color: red;
}
}
@media screen and (min-width: 769px) {
body {
background-color: yellow;
}
}
@media screen and (min-width: 992p...
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...
Choosing between std::map and std::unordered_map [duplicate]
...
@paulm, as I stated in the blog post N=10,000,000.
– Motti
Aug 31 '14 at 7:39
The blo...
How to truncate milliseconds off of a .NET DateTime
...method caused some of my unit tests to fail: Expected: 2010-05-05 15:55:49.000 But was: 2010-05-05 15:55:49.000. I'm guessing due to what Joe mentioned about fractions of a millisecond.
– Seth Reno
May 5 '10 at 20:57
...
What is the JavaScript convention for no operation?
... Function.prototype();
console.log('End : ', Date.now());
}, 1000);
Although this is a "true noop" since most browsers seem to do nothing to execute the noop defined this way (and hence save CPU cycles), there might be some performance issues associated with this (as is also mentione...
a href link for entire div in HTML/CSS
... width: 200px;
}
a {
display:block;
background-color: #ccc;
color: #000;
text-decoration:none;
padding:10px;
margin-bottom:1px;
}
a:hover {
background-color: #ddd;
}
http://jsbin.com/zijijuduqo/1/edit?html,css,output
...
Read String line by line
...the efficiency angle, I created a little test class (below). Outcome for 5,000,000 lines:
Comparing line breaking performance of different solutions
Testing 5000000 lines
Split (all): 14665 ms
Split (CR only): 3752 ms
Scanner: 10005
Reader: 2060
As usual, exact times may vary, but the ratio holds...
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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