大约有 770 项符合查询结果（耗时：0.0107秒） [XML]
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
... Thanks for the links! And thanks for the quick overview... My office is blocking the link for some reason :P but I'll check it out as soon as I get to a regular computer.
– froadie
Feb 11 '10 at 18:47
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Browser statistics on JavaScript disabled [closed]
... is one of the most popular Firefox add-ons.), country (The German Federal Office for Information Security strongly recommends¹ all citizens to install NoScript.) and also available competition on the market (if your site is unique and I really want to use it, I’ll allow scripts; otherwise, I go ...
Automapper - how to map to constructor parameters instead of property setters
...erson>(model);
You can read more about automapper construction in the offical wiki on GitHub
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How can I install pip on Windows?
...atters worse, Pip was—until recently—ironically difficult to install.
Official instructions
Per https://pip.pypa.io/en/stable/installing/#do-i-need-to-install-pip:
Download get-pip.py, being careful to save it as a .py file rather than .txt. Then, run it from the command prompt:
python get-p...
Differences between Octave and MATLAB? [closed]
...nd not so much of Octave.
If you get a new job, and everyone in your new office speaks Spanish, it's kind of cocky to demand of everyone that they start speaking English from then on, simply because you don't speak/like Spanish. Same with MATLAB and Octave.
NB -- if all downvoters could just lea...
What's the best online payment processing solution? [closed]
...m guessing they have "Caveat Emptor" writ large on the walls of their head office. :)
I'm not dissing PayPal, they are way ahead of the curve on many other security features, but just another factor to bear in mind.
End to end integration
Different services differ in their ease of integration. Oh bo...
IE10 renders in IE7 mode. How to force Standards mode?
...uted to externally - for example a Stackoverflow employee working from the office would probably see stackoverflow.com in compatibility mode.
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Is there a way to check if a file is in use?
... work-around not rely on exception handling alone. I wonder how Microsoft Office does it.
– TamusJRoyce
Jul 31 '11 at 22:37
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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...sharding是一一对应的，只访问一个数据库sharding.
biz业务注册节点到zookeeper上/bizs/shard/下。
router监听zookeeper上/bizs/下节点状态，缓存在线biz在router中。
client请求router获取biz时，router首先从mongodb中获取用户对应的shard,router根据缓...
Difference between partition key, composite key and clustering key in Cassandra?
...this efficiently given reads are predominant in this case? Like that (from offical Cassandra guide):
CREATE TABLE group_join_dates (
groupname text,
joined timeuuid,
join_date text,
username text,
email text,
age int,
PRIMARY KEY ((groupname, join_date), joined)
) WITH C...