sheilambadi
/ ApacheHttpClientMultiPartUpload.java
Created
May 15, 2019 13:17
— forked from damianmcdonald/ApacheHttpClientMultiPartUpload.java
Multi Part Upload using Apache HttpClient 4
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| import org.apache.http.HttpEntity; | |
| import org.apache.http.HttpResponse; | |
| import org.apache.http.client.HttpClient; | |
| import org.apache.http.client.methods.HttpPost; | |
| import org.apache.http.entity.ContentType; | |
| import org.apache.http.entity.mime.HttpMultipartMode; | |
| import org.apache.http.entity.mime.MultipartEntityBuilder; | |
| import org.apache.http.impl.client.HttpClientBuilder; | |
| import org.json.JSONObject; |
sheilambadi
/ rsa_algo.py
Created
February 15, 2020 13:28
Calculate the decryption key and generate an encrypted message using the public key for RSA algorithm.
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| print('Compute d') | |
| x = filter(lambda x: x*3 % 160 == 1, range(1,1000)) | |
| for i in x: | |
| print(i) | |
| print('\nEncryption') | |
| enc_msg = pow(5,3) % 187 | |
| print(enc_msg) |
sheilambadi
/ view_ssh_cert.sh
Created
February 15, 2020 13:43
Obtain website certificate and view public key (by printing certificate in text form)
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| openssl s_client -connect www.cmu.edu:443 -tls1 -servername www.cmu.edu | openssl x509 -text |
sheilambadi
/ bitplay.c
Created
May 18, 2020 09:33
Exercise 2-7. Write a function invert(x,p,n) that returns x with the n bits that begin at position p inverted (i.e., 1 changed into 0 and vice versa), leaving the others unchanged.
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| #include <stdio.h> | |
| unsigned int invert(unsigned int x, int p, int n); | |
| int main() | |
| { | |
| unsigned int x; | |
| unsigned int y; | |
| unsigned int z; |
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| if [ logical expression ]; then | |
| statement 1 | |
| statement 2 | |
| else | |
| statement 3 | |
| statement 4 | |
| fi |
sheilambadi
/ if_bash_alt.sh
Last active
August 6, 2020 20:53
Alternative code for if then else statement in bash
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| if [ logical expression ]; then | |
| statement 1 | |
| statement 2 | |
| fi |
sheilambadi
/ if_bash.sh
Last active
August 6, 2020 20:47
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| if [ logical expression ] | |
| then | |
| statement 1 | |
| statement 2 | |
| fi |
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| if [ logical expression ]; then | |
| statement 1 | |
| statement 2 | |
| elif [ logical expression ]; then | |
| statement 3 | |
| statement 4 | |
| elif [ logical expression ]; then | |
| statement 4 | |
| statement 5 | |
| fi |
We can make this file beautiful and searchable if this error is corrected: Illegal quoting in line 3.
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| Logical expression, Meaning | |
| String comparion, | |
| if [ -n "$variable" ], Returns true if the variable is empty/null | |
| if [ -z "$variable" ], Returns true if the variable is not empty/null | |
| if [ "$variable1" = "$variable2" ], Returns true if variable 1 is equal to variable 2 | |
| if [ "$variable1" == "$variable2" ], Returns true if variable 1 is equal to variable 2 | |
| if [ "$variable1" != "$variable2" ], Returns true if variable 1 is not equal to variable 2 | |
| if [ "$variable1" \< "$variable2" ], Returns true if variable 1 is less than variable 2 in ASCII. The < is escaped (\<) | |
| if [ "$variable1" \> "$variable2" ], Returns true if variable 1 is greater than variable 2 in ASCII. | |
| Integer comparison, |
sheilambadi
/ conditional.sh
Last active
August 6, 2020 21:52
Conditional integer comparison example
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| #!/bin/bash | |
| variable=$1 | |
| if [ $variable -lt 0 ]; then | |
| echo Variable is less than 0 | |
| elif [ $variable -eq 0 ]; then | |
| echo Variable is equal to 0 | |
| elif [ $variable -gt 0 ]; then | |
| echo Variable is greater than 0 |