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Uses for Optional
...) { return Optional.ofNullable(parent); }. This looks expensive because it allocates an Optional every time! But if the caller unpacks it immediately, the object is extremely short-lived and is never promoted out of eden space. It might possibly even be eliminated by the JIT's escape analysis. The b...
What is the recommended approach towards multi-tenant databases in MongoDB?
...decided not to have a database per
customer because of the way MongoDB
allocates its data files. Each
database uses it’s own set of files:
The first file for a database is
dbname.0, then dbname.1, etc. dbname.0
will be 64MB, dbname.1 128MB, etc., up
to 2GB. Once the fil...
Convert MySQL to SQlite [closed]
...stracts specific database differences away for you. e.g. you get these in PHP (RedBean), Python (Django's ORM layer, Storm, SqlAlchemy), Ruby on Rails (ActiveRecord), Cocoa (CoreData) etc.
i.e. you could do this:
Load data from source database using the ORM class.
Store data in memory or seriali...
Does const mean thread-safe in C++11?
...too artificial, you could mentally replace int by a very large dynamically allocated integer which is inherently non thread-safe and for which multiplications are extremely costly.]
The member-function area is no longer thread-safe, it is doing writes now and is not internally synchronized. Is it a ...
MySQL with Node.js
I've just started getting into Node.js. I come from a PHP background, so I'm fairly used to using MySQL for all my database needs.
...
当ORACLE 11G 遇到 JUNIPER 防火墙 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...行。
网上搜索到类似的问题
http://www.itpub.net/forum.php?mod=viewthread&tid=1757430&extra=&highlight=&page=1类似的问题但是没有给出解决办法。
http://zhidao.baidu.com/link?url=bklnlNgKPzMAx5-4C0je8Tz8nWIqiNbJNl0gUvQDC6qKUCO4VPIlXj7faNaour9OeCsYAt4osHPsMHweSatQmq...
Vim: Close All Buffers But This One
...You could use this script from vim.org:
http://www.vim.org/scripts/script.php?script_id=1071
Just put it to your .vim/plugin directory and then use :BufOnly command to close all buffers but the active one. You could also map it elsewhere you like in your .vimrc.
Source on Github (via vim-scripts ...
Capitalize first letter. MySQL
...
http://forge.mysql.com/tools/tool.php?id=201
If there are more than 1 word in the column, then this will not work as shown below.
The UDF mentioned above may help in such case.
mysql> select * from names;
+--------------+
| name |
+--------------...
Yes or No confirm box using jQuery
...u want to delete this?")){
$("#delete-button").attr("href", "query.php?ACTION=delete&ID='1'");
}
else{
return false;
}
});
</script>
These codes works for me, but I'm not really sure if this is proper. What do you think?
...
Recursive search and replace in text files on Mac and Linux
...e easyform to form360, I´m running the following command: find . -name '*.php' -print0 | xargs -0 sed -i "" "s/easyform/form360/g"
– Andres Ramos
Jan 26 '17 at 21:23
...