[Numeric Type Attributes] INT(4) specifies an INT with a display width of four digits. This optional display width may be used by applications to display integer values having a width less than the width specified for the column by left-padding them…
http://waynewhitty.ie/blog-post.php?id=19 MySQL - INT(11) vs BIGINT(11) vs TINYINT(11) This seems to be a common misconception among many developers who interact with MySQL. The assumption is that the 11 inINT(11) determines the maximum size of the i…
转自:https://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Function-Attributes.html 5.24 Declaring Attributes of Functions In GNU C, you declare certain things about functions called in your program which help the compiler optimize function calls and check your…
The Neophyte's Guide to Scala Part 12: Type Classes 过去的两周我们讨论了一些使我们保持DRY和灵活性的函数式编程技术,特别是函数组合,partial function的应用,以及currying.接下来,我将会继续讨论如何使你的代码尽可能的灵活. 但是,这次我们将不会讨论怎么使用函数作为一等对象来达到这个目的,而是使用类型系统,这次它不是阻碍着我们,而是使得我们的代码更灵活:你将会学到关于 type classes 的知识. 你可能会觉得这是一…
The following table describes the standard numeric format specifiers and displays sample output produced by each format specifier. See the Notes section for additional information about using standard numeric format strings, and the Example section f…
Android Lint Checks Here are the current list of checks that lint performs as of Android Studio 2.3 dev: Correctness =========== AdapterViewChildren ------------------- Summary: AdapterViews cannot have children in XML Priority: 10 / 10 Sever…