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Initializing a list to a known number of elements in Python [duplicate]
...urrently) 4 * 24 = 96 bins. It seems natural to me (with a C / C++ / C# / etc. background) to start by initializing each bin to 0. How is this an optimization, whether premature or not?
– Technophile
Dec 28 '14 at 20:19
...
Error-Handling in Swift-Language
...eyword) which let you achieve the same effect as finally blocks in Java/C#/etc
guard statement (using guard keyword) which let you write little less if/else code than in normal error checking/signaling code.
Swift 1
Runtime errors:
As Leandros suggests for handling runtime errors (like network...
Why should text files end with a newline?
...ning how critical it is to end files with an EOL. In C, C++, Java (JARs), etc... some standards will dictate a newline for validity - no such standard exists for JS, HTML, CSS.
For example, instead of using wc -l filename one could do awk '{x++}END{ print x}' filename , and rest assured that the t...
Split array into chunks
... be consuming your code (3rd parties, coworkers, yourself at a later date, etc.).
There are ways to safely extend prototypes (but not in all browsers) and there are ways to safely consume objects created from extended prototypes, but a better rule of thumb is to follow the Principle of Least Surpri...
What is base 64 encoding used for?
...al: store the decimal value of each byte as three numbers: 045 112 101 037 etc. where each byte is represented by 3 bytes. The data bloats three-fold.
Hexadecimal: store the bytes as hex pairs: AC 47 0D 1A etc. where each byte is represented by 2 bytes. The data bloats two-fold.
Base-64 maps 3 byt...
How do you create a static class in C++?
... static void myMethod() ;
} ;
// source
void MyClass::myMethod()
{
// etc.
}
But you must remember that "static classes" are hacks in the Java-like kind of languages (e.g. C#) that are unable to have non-member functions, so they have instead to move them inside classes as static methods.
In...
上海选出最强\"加班楼\" 恒隆广场居首位 - 创意 - 清泛网 - 专注C/C++及内核技术
...楼、外滩中心、世纪商贸广场位居前三名。发起这一活动的滴滴专车平台昨天表示,后台大数据分析显示,相关地区有很多用户在深更半夜叫车回家,基本都是加班族。
这一覆盖北上广深的“加班楼”票选活动,这几天在网上...
Homebrew作者解不出面试题,被Google拒绝 - 创意 - 清泛网 - 专注C/C++及内核技术
...brew作者解不出面试题,被Google拒绝Homebrew是Mac上一套流行的软件包管理工具,可以通过命令行搜索、安装、卸载软件包。近日,其作者在进入Google的面试中,因解不出一个二叉 Homebrew是Mac上一套流行的软件包管理工具,可以通...
一个孩子的5.28日记 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
一个孩子的5.28日记上午10:30,爸爸说,儿童节出国旅行计划没了;下午1:30,爸爸说,儿童节礼物也没了;下午3:30,妈妈说,爸爸没了…珍爱生命,不许跳楼!!!!上午10:30,爸爸说,儿童节出国旅行计划没了;
下午1:30,爸...
让人瞠目结舌的七大互联网+奇葩路线 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
让人瞠目结舌的七大互联网+奇葩路线传统企业都想搭互联网+顺风车,然而疯狂改名、大跨界投资等,好像为互联网+蒙上了一层恶搞意味。
奇葩 七大 路线
