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How to run `rails generate scaffold` when the model already exists?
... does generate the view layer but it doesn't include the model attributes (table columns) and you have to add those by hand. Anybody know of a fix for this? I am on Rails 3.2.8.
– aaronbartell
Dec 3 '12 at 22:10
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Django filter queryset __in for *every* item in list
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This would we slower if you work with large tables and large data to compare to. (like 1 Million each)
– gies0r
May 21 '18 at 16:11
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How to unmount a busy device
...le users daily. I already have code to recognize shared drives (from a SQL table) and mount them in a special directory where all users can access them.
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Change SVN repository URL
...your working copy. Just open the database (e.g. in SQLite Browser), browse table REPOSITORY, and change the root and uuid column values to the new ones. You can find the UUID of the new repo by issuing svn info NEW_SERVER.
Again, treat this as a last resort method.
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What is DOCTYPE?
...s NOT defined by the DTD!
For example, a doctype could define how the <table>-tag can look like - which attributes it accepts, and which values/valuetypes are accepted for each attribute. Think of it as a lexicon for your current webpage.
Wikipedia has an informative page on the various Doct...
剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...总是一个4GB的内存地址块。这些虚拟地址通过页表（page table）映射到物理内存，页表由操作系统维护并被处理器引用。每一个进程拥有一套属于它自己的页表，但是还有一个隐情。只要虚拟地址被使能，那么它就会作用于这台...
CSS3 box-sizing: margin-box; Why not?
...flow-x & overflow-y combinations, with the absolut positionied divs in table-cells, with the combination of min|max-width|height with the box-sizing, and so on.
There are features, really simple features, which the browser developers simply doesn't develop.
IMHO, box-sizing: margin-box were a ...
How do I calculate a point on a circle’s circumference?
...ly not as efficient in speed compared to say implementing sin as a look-up table, but sometimes you are using complex numbers to represent points throughout to exploit other properties of them. Similar to using quaternions for 3D rotations, it's not really the speed but the capabilities they give yo...
Can I set subject/content of email using mailto:?
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My subject is not text. It is a table. How to add that.
– David
Jul 8 '16 at 4:26
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what is the right way to treat Python argparse.Namespace() as a dictionary?
...dictionary should not be modified: the effects on the corresponding symbol table are undefined." Which may only refer to the behavior of vars() (which is either locals() or globals()), but I'm not really sure.
– user395760
Jun 1 '13 at 23:43
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