大约有 5,475 项符合查询结果（耗时：0.0430秒） [XML]
How does this print “hello world”?
...
The number 4946144450195624 fits 64 bits, its binary representation is:
10001100100100111110111111110111101100011000010101000
The program decodes a character for every 5-bits group, from right to left
00100|01100|10010|01111|10111|11111|01111|01100|01100|00101|01000
d | l | r | o | ...
Why are joins bad when considering scalability?
...
100
Scalability is all about pre-computing (caching), spreading out, or paring down the repeated w...
Maximum number of threads per process in Linux?
...efault is the number of memory pages/4. You can increase this like:
echo 100000 > /proc/sys/kernel/threads-max
There is also a limit on the number of processes (and hence threads) that a single user may create, see ulimit/getrlimit for details regarding these limits.
...
How do I measure request and response times at once using cURL?
...
+100
From this brilliant blog post... https://blog.josephscott.org/2011/10/14/timing-details-with-curl/
cURL supports formatted output ...
What's the most efficient way to erase duplicates and sort a vector?
...large. I used datasets of 1,000,000 randomly drawn integers between 1 and 1000, 100, and 10 for this graph.
– Nate Kohl
Jun 26 '09 at 15:10
5
...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
...
Yes, granted. But why 79? Why not 100 or 120? Keeping things readable works both ways. Too much up-and-down reading of code is hard to grok too.
– pcorcoran
Sep 18 '08 at 0:39
...
Does Django scale? [closed]
...to Instant Ink and related services HP offered (*).
"Can Django deal with 100,000 users daily, each visiting the site for a couple of hours?"
Yes, see above.
"Could a site like Stack Overflow run on Django?"
My gut feeling is yes but, as others answered and Mike Malone mentions in his presentatio...
What's the difference between `on` and `live` or `bind`?
...rs attach directly to the event target. If you have a table of, let's say, 1000 lines and 100 columns, and each of the 100'000 cells includes a checkbox which click you want to handle. Attaching 100'000 event handlers will take a lot of time on page load. Creating a single event at the table level, ...
Java HashMap performance optimization / alternative
... Using the old method the average number of puts per second over blocks of 100,000 puts, 100,000 to 2,000,000 was:
168350.17
109409.195
81344.91
64319.023
53780.79
45931.258
39680.29
34972.676
31354.514
28343.062
25562.371
23850.695
22299.22
20998.006
19797.799
18702.951
17702.434
16832.182
16084.5...
Fluid width with equally spaced DIVs
...: inline-block;
*display: inline;
zoom: 1
}
.stretch {
width: 100%;
display: inline-block;
font-size: 0;
line-height: 0
}
.box1,
.box3 {
background: #ccc
}
.box2,
.box4 {
background: #0ff
}
<div id="container">
<div class="box1"></div>
...