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Best practices for overriding isEqual: and hash
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The hash function should create a semi-unique value that is not likely to collide or match another object's hash value.
Here is the full hash function, which can be adapted to your classes instance variables. It uses NSUInteger's rath...
Read values into a shell variable from a pipe
... read doesn't bother with input from a pipe - it's undefined.
FYI, http://www.etalabs.net/sh_tricks.html is a nifty collection of the cruft necessary to fight the oddities and incompatibilities of bourne shells, sh.
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Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
When to use symbols instead of strings in Ruby?
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How to remove unwanted space between rows and columns in table?
...ht="80" style="line-height: 80px;">
<img height="80" src="http://www.website.com/images/Nature_01.jpg" width="600" />
</td>
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TSQL - Cast string to integer or return default value
...nd we help each other to improve it. TRY_CAST Function for SQL Server 2008 https://gist.github.com/jotapardo/800881eba8c5072eb8d99ce6eb74c8bb
The two main differences are that you must pass 3 parameters and you
must additionally perform an explicit CONVERT or CAST to the field.
However, it i...
Sort Dictionary by keys
...as worked for me:
let dicNumArray = ["q":[1,2,3,4,5],"a":[2,3,4,5,5],"s":[123,123,132,43,4],"t":[00,88,66,542,321]]
let sortedDic = dicNumArray.sorted { (aDic, bDic) -> Bool in
return aDic.key < bDic.key
}
share...
Find and extract a number from a string
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go through the string and use Char.IsDigit
string a = "str123";
string b = string.Empty;
int val;
for (int i=0; i< a.Length; i++)
{
if (Char.IsDigit(a[i]))
b += a[i];
}
if (b.Length>0)
val = int.Parse(b);
...
What do the plus and minus signs mean in Objective-C next to a method?
...on of this from Apple is here, under the 'Methods and Messaging' section:
https://developer.apple.com/library/mac/referencelibrary/GettingStarted/RoadMapOSX/books/WriteObjective-CCode/WriteObjective-CCode/WriteObjective-CCode.html
In brief:
+ means 'class method'
(method can be called without an...
How do you clear a slice in Go?
...nd wanted to share my results.
To practice, I did a little go playground:
https://play.golang.org/p/9i4gPx3lnY
which evals to this:
package main
import "fmt"
type Blah struct {
babyKitten int
kittenSays *string
}
func main() {
meow := "meow"
Blahs := []Blah{}
fmt.Printf("Bl...