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Is ASCII code 7-bit or 8-bit?
...ans it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code?
6 Answers
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Encrypt & Decrypt using PyCrypto AES 256
...rt Random
from Crypto.Cipher import AES
class AESCipher(object):
def __init__(self, key):
self.bs = AES.block_size
self.key = hashlib.sha256(key.encode()).digest()
def encrypt(self, raw):
raw = self._pad(raw)
iv = Random.new().read(AES.block_size)
...
Javascript: Round up to the next multiple of 5
...
const fn = _num =>{
return Math.round(_num)+ (5 -(Math.round(_num)%5))
}
reason for using round is that expected input can be a random number.
Thanks!!!
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How do I hide the status bar in a Swift iOS app?
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You really should implement prefersStatusBarHidden on your view controller(s):
Swift 3 and later
override var prefersStatusBarHidden: Bool {
return true
}
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How can I search (case-insensitive) in a column using LIKE wildcard?
... trees
WHERE trees.`title` COLLATE UTF8_GENERAL_CI LIKE '%elm%'
Actually, if you add COLLATE UTF8_GENERAL_CI to your column's definition, you can just omit all these tricks: it will work automatically.
ALTER TABLE trees
MODIFY COLUMN title VARCHAR(…) CHARACTER
SET UTF8 COLLATE UTF8_GE...
Test if string is a number in Ruby on Rails
...def is_number? string
true if Float(string) rescue false
end
And then call it like this:
my_string = '12.34'
is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, t...
$.focus() not working
...
Actually the example you gave for focusing on this site works just fine, as long as you're not focused in the console. The reason that's not working is simply because it's not stealing focus from the dev console. If you run the f...
When is a C++ destructor called?
Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete
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converting a base 64 string to an image and saving it
... answered Feb 2 '16 at 17:30
INT_24hINT_24h
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Utils to read resource text file to String (Java) [closed]
...useDelimiter("\\A").next();
Guys, don't use 3rd party stuff unless you really need that. There is a lot of functionality in the JDK already.
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