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Swift class introspection & generics
...type value requires an '@required' initializer
Y().me()
^
<REPL>:3:7: note: selected implicit initializer with type '()'
class X {
^
It took me a while to figure out what this means… turns out it wants the class to have a @required init()
class X {
func me() {
pri...
Split delimited strings in a column and insert as new rows [duplicate]
...her way of doing it..
df <- read.table(textConnection("1|a,b,c\n2|a,c\n3|b,d\n4|e,f"), header = F, sep = "|", stringsAsFactors = F)
df
## V1 V2
## 1 1 a,b,c
## 2 2 a,c
## 3 3 b,d
## 4 4 e,f
s <- strsplit(df$V2, split = ",")
data.frame(V1 = rep(df$V1, sapply(s, length)), V2 = ...
Why are arrays of references illegal?
...
Answering to your question about standard I can cite the C++ Standard §8.3.2/4:
There shall be no references to references, no arrays of references, and no pointers to references.
share
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i...
List goals/targets in GNU make that contain variables in their definition
...
answered Sep 3 '10 at 2:02
Jack KellyJack Kelly
16.6k11 gold badge5050 silver badges7777 bronze badges
...
Convert character to ASCII numeric value in java
...
306
Very simple. Just cast your char as an int.
char character = 'a';
int ascii = (int) chara...
How can I get LINQ to return the object which has the max value for a given property? [duplicate]
... new Item(){ ClientID = 2, ID = 2},
new Item(){ ClientID = 3, ID = 3},
new Item(){ ClientID = 4, ID = 4},
};
Item biggest1 = items1.Aggregate((i1, i2) => i1.ID > i2.ID ? i1 : i2);
Console.WriteLine(biggest1.ID);
Console.ReadKey();
...
Inputting a default image in case the src attribute of an html is not valid?
...
326
You asked for an HTML only solution...
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//...
SELECT * FROM X WHERE id IN (…) with Dapper ORM
...
377
Dapper supports this directly. For example...
string sql = "SELECT * FROM SomeTable WHERE id ...
When to wrap quotes around a shell variable?
...
answered Apr 8 '12 at 23:08
paxdiablopaxdiablo
736k199199 gold badges14231423 silver badges17931793 bronze badges
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Is there a combination of “LIKE” and “IN” in SQL?
... ʙᴀᴋᴇʀ
2,47011 gold badge2020 silver badges3737 bronze badges
answered Jun 10 '10 at 17:34
OMG PoniesOMG Ponies
289k6868 g...