大约有 14,000 项符合查询结果（耗时：0.0283秒） [XML]
Is there a naming convention for MySQL?
...ut worth considering.
Singular vs Plural Column Names
It might be a good idea to address the thorny issue of plural vs single in your column names as well as your table name(s). This subject often causes big debates in the DB community. I would stick with singular forms for both table names and co...
How to set tbody height with overflow scroll
...
Great idea! It does not mess the table layout like the other options do.
– André
Aug 3 '19 at 23:39
2
...
Can you explain the concept of streams?
... file system, memory, a network or anything else which supports the stream idea, your code is a lot more flexible.
In addition, streams are often chained together - you can have a stream which compresses whatever is put into it, writing the compressed form on to another stream, or one which encrypt...
Simple explanation of clojure protocols
...n its type (or as a special case on nil).
This is not a limitation on the idea of Protocols per se, it is a pragmatic choice to get access to the performance optimizations of the underlying platform. In particular, it means that Protocols have a trivial mapping to JVM/CLI Interfaces, which makes th...
Why use symbols as hash keys in Ruby?
...ce for all occurrences of :bar in a program. Before Ruby 2.2, it was a bad idea to constantly create new Symbols that were never reused, as they would remain in the global Symbol lookup table forever. Ruby 2.2 will garbage collect them, so no worries.
3) Actually, computing the hash for a Symbol di...
Does bit-shift depend on endianness?
...s. They are unspecified in C89 and undefined in C99+, which was a very bad idea.
– Paolo Bonzini
Jan 1 '16 at 21:48
@P...
Rebasing a Git merge commit
... forces you to resolve all conflicts second time. My solution based on the idea by @Tobi B but with exact step-by-step commands
So we'll start on such state based on example in the question:
* 8101fe3 Merge branch 'topic' [HEAD -> master]
|\
| * b62cae6 2 [topic]
| |
| ...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
...limits what you can do, install, save, etc. but good enough to give you an idea of how things work. So it doesn't hurt to signup to evaluate and not pay anything.
Persistence of data is offered via saving files to DropBox (pre-installed, you just need login/configure), etc. There is no concept of A...
RE error: illegal byte sequence on Mac OS X
...nt0's answer is great, but I have some small tweaks.
It seems like a good idea to explicitly specify bash's encoding when using iconv. Also, we should prepend a byte-order mark (even though the unicode standard doesn't recommend it) because there can be legitimate confusions between UTF-8 and ASCII...
What is the difference in maven between dependency and plugin tags in pom xml?
... dependency) in any Maven version while since Maven 3 (probably a bad good idea as feature), specifying the plugin version is optional. Maven will use the last version available in the release repository where Maven finds it. (1/2)
– davidxxx
Jan 17 '19 at 18:3...