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Get city name using geolocation

...ake an educated guess as to which one will have the city. "administrative_area_level_1" is usually what you are looking for but sometimes locality is the city you are after. Anyhow - more details on google response types can be found here and here. Below is the code that should do the trick: &...
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Finding the type of an object in C++

... dynamic_cast should do the trick TYPE& dynamic_cast<TYPE&> (object); TYPE* dynamic_cast<TYPE*> (object); The dynamic_cast keyword casts a datum from one pointer or reference type to another, performing a runtime...
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Is the practice of returning a C++ reference variable evil?

...he function, use a smart pointer (or in general, a container): std::unique_ptr<int> getInt() { return std::make_unique<int>(0); } And now the client stores a smart pointer: std::unique_ptr<int> x = getInt(); References are also okay for accessing things where you know the...
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How to compare arrays in JavaScript?

... //https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty //Return false if the return value is different if (this.hasOwnProperty(propName) != object2.hasOwnProperty(propName)) { return false; } //Check insta...
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How to use a decimal range() step value?

... @LarsWirzenius: in Python 2.2+, from __future__ import division; 3/10 returns 0.3. This behaviour is the default in Python 3.x. – Benjamin Hodgson♦ Sep 14 '12 at 11:15 ...
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Java Security: Illegal key size or default parameters?

...nload link is jce-7-download Copy the two downloaded jars in Java\jdk1.7.0_10\jre\lib\security Take a backup of older jars to be on safer side. For JAVA 8 the download link is jce-8-download Copy the downloaded jars in Java\jdk1.8.0_45\jre\lib\security Take a backup of older jars to be on safer ...
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Are there any disadvantages to always using nvarchar(MAX)?

...e, the value gets pushed out of row based on may more factors, including sp_tableoptions: msdn.microsoft.com/en-us/library/ms173530.aspx. VARCHAR(255) types can also b pushed out of row, the 'overhead' mentioned may be exactly the same for MAX and 255. It compares MAX types with TEXT types, when the...
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Why is semicolon allowed in this python snippet?

... http://docs.python.org/reference/compound_stmts.html Compound statements consist of one or more ‘clauses.’ A clause consists of a header and a ‘suite.’ The clause headers of a particular compound statement are all at the same indentation level. Each ...
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PHP Session Fixation / Hijacking

...it's done by giving them a url like http://www.example.com/index...?session_name=sessionid. Once the attacker gives the url to the client, the attack is the same as a session hijacking attack. There are a few ways to prevent session fixation (do all of them): Set session.use_trans_sid = 0 in your...
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Unicode Processing in C++

...th, capitalization status, etc. Never use standard library builtins like is_alpha unless that is the definition you want. I can't say it enough: never iterate over the indices of a string if you care about correctness, always use your unicode library for this. ...