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What does “&” at the end of a linux command mean?
I am a system administrator and I have been asked to run a linux script to clean the system.
4 Answers
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How can I see the SQL generated by Sequelize.js?
I want to see the SQL commands that are sent to the PostgreSQL server because I need to check if they are correct. In particular, I am interested in the table creation commands.
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When to use nil, blank, empty? [duplicate]
...e any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
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Websocket API to replace REST API?
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The only problem I can using TCP (WebSockets) as your main web content delivery strategy is that there is very little reading material out there about how to design your website architecture and infrastructure using TCP.
So you can't learn from other people's mistakes and development is...
“媒”出路？如今“媒体+行业”创业机会多得是 - 资讯 - 清泛网 - 专注C/C+...
...一个风口。
同时，第一批受到互联网冲击的行业，例如TMT，同样也具备了做为基本工具的属性，可以影响更多的传统行业，延伸出 “M+传统行业”、“T+传统行业”的创业新机会。
专注O2O垂直领域的新媒体平台亿欧网已获得了...
What is a lambda m>ex m>pression in C++11?
What is a lambda m>ex m>pression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction?
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How to convert / cast long to String?
I just created sample BB app, which can allow to choose the date.
8 Answers
8
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MyISAM versus InnoDB [closed]
...nce under InnoDB was also worse than I'd hoped.
In the end I resolved the contention issue by fragmenting the data such that inserts went into a "hot" table and selects never queried the hot table.
This also allowed deletes (the data was time-sensitive and we only retained X days worth) to occur o...
How does the Java 'for each' loop work?
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I imagine the for(int value : int_array) {/* loop content */} is slowest in your test because it is syntactically equivalent to for(int i = 0; i < int_array.length; i++) {int value = int_array[i]; /* loop content */}, which isn't what your test compares.
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How do you organize your version control repository?
...ELSE.
NEVER let a project directly reference another project or any of its contents--only allow references to the primary deliverables in the "output" directory (see above).
Make every project build script reference its required build tools by a configurable and fully-versioned absolute path: %DirT...