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(Solved) [Warning] deprecated conversion from string constant to 'char*' [-Wwrite-strings]
 
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In gcc compiler we see this warning many a times. I have used Dev C++ Compiler which is a gcc based compiler. Warning suppress is done differently in it. So see how to ignore the warning using #pragma preprocessor directive.
Views: 1045 Garbage Value
C++ adevlib Encryption/Decryption
 
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https://github.com/thenuke321/adevlib
Views: 389 ("RNA0ROGER")
ESP32 Arduino: Base64 encoding (using crypto/base64 lib)
 
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This tutorial explains how to encode a plain text string into base64 format, using the ESP32 and the Arduino core. **IMPORTANT NOTE**: as indicated in the implementation file of the library, the caller is responsible for freeing the returned buffer with the encoded string. So, although not included in the video, you should call the free function on the returned pointer when you no longer need it. Implementation file: https://github.com/espressif/esp-idf/blob/aaf12390eb14b95589acd98db5c268a2e56bb67e/components/wpa_supplicant/src/wpa2/utils/base64.c Free function: https://en.cppreference.com/w/c/memory/free Base64 encode online tool: https://www.base64encode.org/ Base64 decode online tool: https://www.base64decode.org/ Format specifiers: http://www.cplusplus.com/reference/cstdio/printf/ Related content (written tutorials): Base64 encoding: https://techtutorialsx.com/2017/12/09/esp32-arduino-base64-enconding/ Base64 decoding: https://techtutorialsx.com/2018/11/27/esp32-arduino-base64-decoding/ HMAC SHA256: https://techtutorialsx.com/2018/01/25/esp32-arduino-applying-the-hmac-sha-256-mechanism/ AES ECB mode: https://techtutorialsx.com/2018/04/18/esp32-arduino-encryption-using-aes-128-in-ecb-mode/ A lot more ESP32 tutorials: https://techtutorialsx.com/category/esp32/ ESP8266 tutorials: https://techtutorialsx.com/category/esp8266/
Views: 296 Techtutorialsx
Encrypt with aes 256
 
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Views: 16 Insows
Python 3 detect and prevent TypeError-s
 
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Python detect and prevent TypeError: sequence item 0 and join iterable https://blog.softhints.com/python-detect-prevent-typeerror/ Errors: * TypeError: sequence item 0: expected str instance, int found and * TypeError: can only join an iterable Option 1 import collections mylist = 2 if isinstance(mylist, collections.Iterable): print(', '.join(mylist)) Option 2 try: iterator = iter(mylist) except TypeError: print('not iterable') else: print(', '.join(mylist))
Views: 112 Softhints
SHA-1
 
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In cryptography, SHA-1 is a cryptographic hash function designed by the United States National Security Agency and is a U.S. Federal Information Processing Standard published by the United States NIST. SHA-1 produces a 160-bit (20-byte) hash value. A SHA-1 hash value is typically rendered as a hexadecimal number, 40 digits long. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 1060 Audiopedia