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What's the difference between SCSS and Sass?
... CSS stylesheet is a valid SCSS file with the same meaning. This syntax is enhanced with the Sass features described below. Files using this syntax have the .scss extension.
The second and older syntax, known as the indented syntax (or sometimes just “Sass”), provides a more concise way of writi...
How do I split a string so I can access item x?
...ough qualitative feedback, they may actually consider making some of these enhancements:
STRING_SPLIT is not feature complete
More on split functions, why (and proof that) while loops and recursive CTEs don't scale, and better alternatives, if splitting strings coming from the application layer:...
How can I make a JPA OneToOne relation lazy
...
As I explained in this article, unless you are using Bytecode Enhancement, you cannot fetch lazily the parent-side @OneToOne association.
However, most often, you don't even need the parent-side association if you use @MapsId on the client side:
@Entity(name = "PostDetails")
@Table(na...
Python: Get the first character of the first string in a list?
...ng" and then Numpy's "masking, slicing, subsetting, indexing, then numpy's enhanced fancy indexing".
These two videos cleared things up for me:
"Losing your Loops, Fast Numerical Computing with NumPy" by PyCon 2015:
https://youtu.be/EEUXKG97YRw?t=22m22s
"NumPy Beginner | SciPy 2016 Tutorial" by A...
Does using final for variables in Java improve garbage collection?
...also use local variables instead of fields when it is possible in order to enhance memory garbage collection and to reduce referential ties.
– sivi
Mar 10 '14 at 9:21
...
When should you use 'friend' in C++?
...
As an extra note, the C++ FAQ mentions that friend enhances encapsulation. friend grants selective access to members, just like protected does. Any fine-grained control is better than granting public access. Other languages define selective access mechanisms too, consider C#'...
程序员之网络安全系列（六）：动态密码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...被盗的风险：
在多个网站上使用同一密码
从互联网上下载软件
点击电子邮件中的链接
想像一下您无法访问自己的帐户及其中的内容，当别有用心的人盗取您的密码后，他们能让您无法访问自己的帐户，还可以执行以下操...
Understanding “randomness”
... @Trufa just trust rand() to actually be random, and don't try to 'enhance' it's randomness. Don't set the seed multiple times. Any individual seed is perfectly fine, as long as it's semi-random itself. Lots of implementations I've seen use the UNIX epoch as the seed, which changes every sec...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...收盘价格的基础上加了一个Random来演示实时变化。这个在下载的代码中您可以看到。这里不多讲。定义好这些变量之后我们就可以开始编写代码了。
第一个要实现的方法是 ServerStart方法。在该方法中，我们将CallbackObject对象...
How do I rename a column in a SQLite database table?
...
This was just fixed with 2018-09-15 (3.25.0)
Enhancements the ALTER TABLE command:
Add support for renaming columns within a table using ALTER TABLE table RENAME COLUMN oldname TO newname.
Fix table rename feature so that it also updates references to the rena...