大约有 15,000 项符合查询结果（耗时：0.0284秒） [XML]
How efficient can Meteor be while sharing a huge collection among many clients?
...onnection to its
client and updates its server-side in-memory copy.
Total CPU cost is the cost to diff one Mongo query, plus the cost of
1,000 merge boxes checking their clients' state and constructing a new
DDP message payload. The only data that flows over the wire is a single
JSON object sent t...
How do you attach and detach from Docker's process?
...fig.json file or --detach-keys "ctrl-a,a" on the command line with attach etc.
– Matthew Hannigan
Jan 1 '18 at 2:31
...
What is the purpose of a stack? Why do we need it?
...It has very good locality of reference, a very important feature on modern CPUs that chew through data a lot faster than RAM can supply it and supports recursion. Language design is heavily influenced by having a stack, visible in support for local variables and scope limited to the method body. A...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
...me who are fluent in PowerShell aren't even familiar with [void], $null =, etc., and just because those may execute faster or take less keystrokes to type, doesn't mean they're the best way to do what you're trying to do, and just because a language gives you quirky syntax doesn't mean you should us...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...me ./euler12-c
842161320
./euler12-c 11.95s
user 0.00s
system 99%
cpu 11.959 total
PyPy 1.5
% time pypy euler12.py
842161320
pypy euler12.py
16.44s user
0.01s system
99% cpu 16.449 total
RPython (using latest PyPy revision, c2f583445aee)
% time ./euler12-rpython-c
842161320
./eule...
Java “Virtual Machine” vs. Python “Interpreter” parlance?
... slow process....specifically parsing and identifying the language tokens, etc. and understanding the context of the source to be able to undertake the execution process within the interpreter. To help accelerate such interpreted languages, this is where we can define intermediate forms of pre-parse...
Pulse Secure解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ure解决方案概述一段时间以来，企业始终在面对接入控制问题。这个需求始自于扩展企业，在此，远程用户常使用未加管理或不可管理的设备接入关键的局域网...概述
一段时间以来，企业始终在面对接入控制问题。这个需求始...
Catching an exception while using a Python 'with' statement
...nally:
f.close()
Used as follows:
with opened_w_error("/etc/passwd", "a") as (f, err):
if err:
print "IOError:", err
else:
f.write("guido::0:0::/:/bin/sh\n")
share
|
...
互联网医疗新格局：顶级医生入场 - 资讯 - 清泛网 - 专注C/C++及内核技术
...不到好医生的原因是，互联网问诊多为“头疼脑热”的小问题，最优秀的医生并不愿意花时间。但顶级医生现在也需要一个分诊机制来获得更高质量的患者。
文/温泉
自2013年下半年以来，因一系列政策利好，互联网医疗行业...
为什么说自媒体到了最危险的时期？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...最主要的几点包括盈利模式，与科技自媒体作者的关系等问题。是非对错暂且不论，在这场争论中，不管是支持的，还是反对甚至泼脏水的，各有各的观点。很多人认真的或若有其事的分析着虎嗅的招股书，有人甚至说虎嗅已经...