Category: Blog

Is a driver the same as an API? Think of an API as a specification that describes what to do, while a driver is an implementation that describes how to do it. What is a database driver? A database driver is a computer program that implements a protocol (ODBC or JDBC) for a database connection….

Why JavaScript typeof array is object? This because in javascript all derived data type is always a type object. Included functions and array. In case you need to check if it’s an array you can use isArray method of Array. and the result will be the same as the previous one. Why does typeof array…

What is LN2 value? LN2 is a constant. The value of the natural logarithm of 2 is approximately 0.6931471805599453. This constant is equivalent to Math. log(2) . What is expansion of function? In mathematics, a series expansion is an expansion of a function into a series, or infinite sum. It is a method for calculating…

What is the ratio of aggregate in concrete? A properly designed mixture possesses the desired workability for the fresh concrete and the required durability and strength for the hardened concrete. Typically, a mix is about 10 to 15 percent cement, 60 to 75 percent aggregate and 15 to 20 percent water. What is the correct…

Does Polish and Russian sound similar? In Russian, there is the sound “G”. Both Russian and Polish are Slavic languages but despite this they only have roughly 38\% lexical overlap – compare this with 56\% for English and German, 82\% for Spanish and Italian, or 86\% for Polish and Slovak. How different is Ukrainian from…

How many possible keys are there for the vigenere cipher? 26 possible keys The Vigenère autokey method is not very secure. There are only 26 possible keys (the 26 letters of the alphabet). The code can be broken easily with an exhaustive search. How do you break a cipher text? All substitution ciphers can be…

Why is PR important in 2020? PR agencies like Dittoe Public Relations know how to share the right information to the right places and to the right people – all while building brand reputation and awareness. Establishing trust among publics and stakeholders is key, especially right now as our world is continually changing, healing and…

Can I use NTFS for Windows 10 bootable USB? You certainly can create NTFS bootable USB keys. If you are referring to compatibility with a specific program or method, then it should be stated with your response, and not some blanket statement regarding the file system on a bootable USB. Can you make a bootable…

What is the hallmark of Geneva? The Geneva Seal — a.k.a. Poincon de Genève, Geneva Hallmark and Hallmark of Geneva — is a quality seal awarded to watches submitted for inspection to an independent bureau operating under state control in Geneva. The seal (with the Geneva Coat of arms on it) is stamped on the…

How much does it cost to restore a BMW? A cosmetic, or partial restoration, will certainly vary dependent on the “before” condition of the vehicle and will often range from $30K-$65K. Is an E30 worth restoring? If you want to keep an E30, take the money you’d spend restoring the rusty one and buy a…