Posts in 2021
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Most votes on openssl questions 2
May 01, 2021 in FAQ
Most votes on openssl questions 2. #11 Converting PKCS#12 certificate into PEM using OpenSSL #12 Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError) #13 How to use OpenSSL to encrypt/decrypt files? #14 "ERROR:root:code for hash md5 was not found" when using any hg mercurial commands #15 How do you sign a Certificate Signing Request with your Certification Authority? #16 HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK #17 Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication #18 curl : (1) Protocol https not supported or disabled in libcurl #19 Unable to load config info from /usr/local/ssl/openssl.cnf on Windows #20 Differences between "BEGIN RSA PRIVATE KEY" and "BEGIN PRIVATE KEY"
Read all the top votes questions and answers in a single page. #11: Converting PKCS#12 certificate into PEM using OpenSSL (Score: 250) Created: 2013-02-28 Last updated: 2018-03-27 Tags: openssl, command, pkcs#12 I have OpenSSL x64 on Windows 7 which …
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Most votes on openssl questions 10
May 01, 2021 in FAQ
Most votes on openssl questions 10. #91 Creating a .p12 file #92 How to decrypt OpenSSL AES-encrypted files in Python? #93 Rails 3: OpenSSL::SSL::SSLError: hostname was not match with the server certificate #94 Why does git hash-object return a different hash than openssl sha1? #95 How does an SSL certificate chain bundle work? #96 How to save the LDAP SSL Certificate from OpenSSL #97 openssl s_client -cert: Proving a client certificate was sent to the server #98 How to install latest version of openssl Mac OS X El Capitan #99 What does OpenSSL's EVP mean? #100 How to fix: fatal error: openssl/opensslv.h: No such file or directory in RedHat 7
Read all the top votes questions and answers in a single page. #91: Creating a .p12 file (Score: 57) Created: 2014-01-15 Last updated: 2015-12-02 Tags: openssl, certificate, pkcs#12 Using openssl, I’ve created a private key as follows: openssl …
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Most votes on openssl questions 1
May 01, 2021 in FAQ
Most votes on openssl questions 1. #1 How to create a self-signed certificate with OpenSSL #2 How to get .pem file from .key and .crt files? #3 Use RSA private key to generate public key? #4 Using OpenSSL what does "unable to write 'random state'" mean? #5 Using openssl to get the certificate from a server #6 dyld: Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib #7 How to determine SSL cert expiration date from a PEM encoded certificate? #8 curl: (60) SSL certificate problem: unable to get local issuer certificate #9 How do I install the OpenSSL libraries on Ubuntu? #10 gem eventmachine fatal error: 'openssl/ssl.h' file not found
Read all the top votes questions and answers in a single page. #1: How to create a self-signed certificate with OpenSSL (Score: 1509) Created: 2012-04-16 Last updated: 2018-12-28 Tags: ssl, openssl, certificate, ssl-certificate, x509certificate …
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Most votes on oop questions 9
May 01, 2021 in FAQ
Most votes on oop questions 9. #81 Class vs. static method in JavaScript #82 What is the difference between aggregation, composition and dependency? #83 What does it mean that Javascript is a prototype based language? #84 How to compare objects by multiple fields #85 Do subclasses inherit private fields? #86 Is it bad practice to make a setter return "this"? #87 Object Oriented Javascript best practices? #88 How can I create a copy of an object in Python? #89 OOP vs Functional Programming vs Procedural #90 How do I implement interfaces in python?
Read all the top votes questions and answers in a single page. #81: Class vs. static method in JavaScript (Score: 271) Created: 2011-10-08 Last updated: 2019-06-13 Tags: javascript, oop I know this will work: function Foo() {}; Foo.prototype.talk = …
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Most votes on oop questions 8
May 01, 2021 in FAQ
Most votes on oop questions 8. #71 Why is it necessary to set the prototype constructor? #72 What is the difference between private and protected members of C++ classes? #73 When should I use "this" in a class? #74 What is the difference between loose coupling and tight coupling in the object oriented paradigm? #75 Chain-calling parent initialisers in python #76 How do you create a static class in C++? #77 Explanation of the UML arrows #78 Abstract class in Java #79 Benefits of prototypal inheritance over classical? #80 Why are unnamed namespaces used and what are their benefits?
Read all the top votes questions and answers in a single page. #71: Why is it necessary to set the prototype constructor? (Score: 305) Created: 2011-12-10 Last updated: 2015-04-29 Tags: javascript, oop, inheritance In the section about inheritance in …
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Most votes on oop questions 7
May 01, 2021 in FAQ
Most votes on oop questions 7. #61 Is there a performance difference between i++ and ++i in C++? #62 When should you use 'friend' in C++? #63 Difference between abstraction and encapsulation? #64 Does JavaScript have the interface type (such as Java's 'interface')? #65 Polymorphism vs Overriding vs Overloading #66 Use of alloc init instead of new #67 Interface or an Abstract Class: which one to use? #68 How do I copy items from list to list without foreach? #69 When should I use a struct instead of a class? #70 Advantages of using prototype, vs defining methods straight in the constructor?
Read all the top votes questions and answers in a single page. #61: Is there a performance difference between i++ and ++i in C++? (Score: 374) Created: 2008-08-24 Last updated: 2016-09-12 Tags: c++, performance, oop, post-increment, pre-increment We …
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Most votes on oop questions 6
May 01, 2021 in FAQ
Most votes on oop questions 6. #51 What are the differences between struct and class in C++? #52 Why Doesn't C# Allow Static Methods to Implement an Interface? #53 What does the 'static' keyword do in a class? #54 What is the difference between class and instance methods? #55 When to use an interface instead of an abstract class and vice versa? #56 Should we @Override an interface's method implementation? #57 What is the difference between association, aggregation and composition? #58 Explaining Python's 'enter' and 'exit' #59 Constructors in JavaScript objects #60 What's wrong with overridable method calls in constructors?
Read all the top votes questions and answers in a single page. #51: What are the differences between struct and class in C++? (Score: 461) Created: 2008-09-18 Last updated: 2017-05-23 Tags: c++, oop, class, struct, c++-faq This question was already …
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Most votes on oop questions 5
May 01, 2021 in FAQ
Most votes on oop questions 5. #41 What does 'super' do in Python? #42 Can we instantiate an abstract class? #43 What is polymorphism, what is it for, and how is it used? #44 How should a model be structured in MVC? #45 Difference Between Cohesion and Coupling #46 JavaScript: Class.method vs. Class.prototype.method #47 How would one write object-oriented code in C? #48 JavaScript private methods #49 How should I have explained the difference between an Interface and an Abstract class? #50 Use of .apply() with 'new' operator. Is this possible?
Read all the top votes questions and answers in a single page. #41: What does 'super' do in Python? (Score: 624) Created: 2008-10-21 Last updated: 2020-12-20 Tags: python, oop, inheritance, multiple-inheritance, super What’s the difference …
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Most votes on oop questions 4
May 01, 2021 in FAQ
Most votes on oop questions 4. #31 How to get a JavaScript object's class? #32 Functional programming vs Object Oriented programming #33 Monad in plain English? (For the OOP programmer with no FP background) #34 Interface vs Base class #35 Adding a Method to an Existing Object Instance #36 What techniques can be used to define a class in JavaScript, and what are their trade-offs? #37 How do I call a parent class's method from a child class in Python? #38 Examples of GoF Design Patterns in Java's core libraries #39 How to call a parent class function from derived class function? #40 What is the difference between init and call?
Read all the top votes questions and answers in a single page. #31: How to get a JavaScript object's class? (Score: 829) Created: 2009-08-08 Last updated: 2014-12-27 Tags: javascript, oop I created a JavaScript object, but how I can determine the …
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Most votes on oop questions 3
May 01, 2021 in FAQ
Most votes on oop questions 3. #21 What is a mixin, and why are they useful? #22 Does functional programming replace GoF design patterns? #23 When should you use a class vs a struct in C++? #24 What is the difference between public, private, and protected? #25 What is the difference between old style and new style classes in Python? #26 What is an example of the Liskov Substitution Principle? #27 How to sort a list of objects based on an attribute of the objects? #28 Usage of slots? #29 What init and self do in Python? #30 What does it mean to "program to an interface"?
Read all the top votes questions and answers in a single page. #21: What is a mixin, and why are they useful? (Score: 1080) Created: 2009-02-10 Last updated: 2016-03-25 Tags: python, oop, multiple-inheritance, mixins In “Programming …