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Precision String Format Specifier In Swift
...m David's response:
import Foundation
extension Int {
func format(f: String) -> String {
return String(format: "%\(f)d", self)
}
}
extension Double {
func format(f: String) -> String {
return String(format: "%\(f)f", self)
}
}
let someInt = 4, someIntFormat ...
Spring Data JPA find by embedded object property
...gion() did not work for me. The following works with the latest release of String Data JPA:
Page<QueuedBook> findByBookId_Region(Region region, Pageable pageable);
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Scala how can I count the number of occurrences in a list
... to elements so it knows how to group them. An alternative to grouping the strings in the answer by their identities could be, say, grouping by their length (groupBy(_.size)) or by their first letter (groupBy(_.head)).
– ohruunuruus
Nov 9 '16 at 15:35
...
How to initialize a struct in accordance with C programming language standards
...lize a struct this way:
typedef struct Item {
int a;
float b;
char* name;
} Item;
int main(void) {
Item item = { 5, 2.2, "George" };
return 0;
}
An important thing to remember, at the moment you initialize even one object/ variable in the struct, all of its other variables wi...
How to decode HTML entities using jQuery?
How do I use jQuery to decode HTML entities in a string?
19 Answers
19
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What is the difference between map and flatMap and a good use case for each?
...ses are red", "Violets are blue")) // lines
rdd.collect
res0: Array[String] = Array("Roses are red", "Violets are blue")
Now, map transforms an RDD of length N into another RDD of length N.
For example, it maps from two lines into two line-lengths:
rdd.map(_.length).collect
res1: Arr...
MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...espace MongoGroupDemo
{
class Program
{
private static string MongoConnStr = "mongodb://172.16.86.53:27017";
/// <summary>
/// MongoDB Group,max仿关系型数据库例子
/// 需求：锯齿状数据表，取所有用户最近一天的数据
...
未能从“const std::string”为“const std::_Tree<_Traits> &”...
http://blog.csdn.net/mfcing/article/details/44157227
What's the best way to inverse sort in scala?
... size):
scala> val list = List("abc","a","abcde")
list: List[java.lang.String] = List(abc, a, abcde)
scala> list.sortBy(-_.size)
res0: List[java.lang.String] = List(abcde, abc, a)
scala> list.sortBy(_.size)
res1: List[java.lang.String] = List(a, abc, abcde)
...
Why does CSS not support negative padding?
... if more content overflows it, which is impossible if the content is in an extra abs-pos sibling. Negative padding would take the padding-collapsed element back to its size.
– sergio
Jul 19 '15 at 19:29
...