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Attach parameter to button.addTarget action in Swift
...nal parameters to the buttonClicked method, for example an indexPath or urlString, you can subclass the UIButton:
class SubclassedUIButton: UIButton {
var indexPath: Int?
var urlString: String?
}
Make sure to change the button's class in the identity inspector to subclassedUIButton. You ...
How to index characters in a Golang string?
...
Interpreted string literals are character sequences between double quotes "" using the (possibly multi-byte) UTF-8 encoding of individual characters. In UTF-8, ASCII characters are single-byte corresponding to the first 128 Unicode chara...
Select by partial string from a pandas DataFrame
I have a DataFrame with 4 columns of which 2 contain string values. I was wondering if there was a way to select rows based on a partial string match against a particular column?
...
How to extract img src, title and alt from html using php? [duplicate]
...eb page source code :
/* preg_match_all match the regexp in all the $html string and output everything as
an array in $result. "i" option is used to make it case insensitive */
preg_match_all('/<img[^>]+>/i',$html, $result);
print_r($result);
Array
(
[0] => Array
(
...
Purpose of memory alignment
...m from 0x0004 and shift left 1 byte to place it in a 16-bit register; some extra work, but most can handle that in one cycle.
When you ask for 32 bits from 0x0001 you'll get a 2X amplification. The processor will read from 0x0000 into the result register and shift left 1 byte, then read again from ...
How to remove all line breaks from a string
...match all variants is
/\r?\n|\r/
If you want to match all newlines in a string, use a global match,
/\r?\n|\r/g
respectively. Then proceed with the replace method as suggested in several other answers. (Probably you do not want to remove the newlines, but replace them with other whitespace, f...
How can I generate an MD5 hash?
Is there any method to generate MD5 hash of a string in Java?
34 Answers
34
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C dynamically growing array
...zeof operator, the _Alignof operator, or the unary & operator, or is a string literal used to initialize an array, an expression that has type ''array of type'' is converted to an expression with type ''pointer to type'' that points to the initial element of the array object and is not an lvalue...
Encrypt & Decrypt using PyCrypto AES 256
...output of a encryption when input is same, so the IV is chosen as a random string, and use it as part of the encryption output, and then use it to decrypt the message.
And here's my implementation, hope it will be useful for you:
import base64
from Crypto.Cipher import AES
from Crypto import Rando...
Where is array's length property defined?
...ytecode instruction: arraylength. So this method:
public static void main(String[] args) {
int x = args.length;
}
is compiled into bytecode like this:
public static void main(java.lang.String[]);
Code:
0: aload_0
1: arraylength
2: istore_1
3: return
So it's not access...