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Javascript reduce on array of objects
...er and then trying to get property x of it to add to the next object which is undefined and maths involving undefined results in NaN.
try returning an object contain an x property with the sum of the x properties of the parameters:
var arr = [{x:1},{x:2},{x:4}];
arr.reduce(function (a, b) {
re...
Error : BinderProxy@45d459c0 is not valid; is your activity running?
What is this error... i haven't found any discussion on this error in the stackoverflow community Detailed :-
9 Answers
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What is the best data type to use for money in C#?
What is the best data type to use for money in C#?
9 Answers
9
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Explain the encapsulated anonymous function syntax
... the syntax for encapsulated anonymous functions in JavaScript? Why does this work: (function(){})(); but this doesn't: function(){}(); ?
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PHP mail function doesn't complete sending of e-mail
I've tried creating a simple mail form. The form itself is on my index.html page, but it submits to a separate "thank you for your submission" page, thankyou.php , where the above PHP code is embedded.
The code submits perfectly, but never sends an email. How can I fix this?
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Unit tests vs Functional tests
What is the difference between unit tests and functional tests? Can a unit test also test a function?
14 Answers
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Setup a Git server with msysgit on Windows [closed]
...I are trying to setup Git for Windows using the tutorial Git Server: Gitosis and Cygwin on Windows , but we just keep running into problems.
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How to check that an element is in a std::set?
How do you check that an element is in a set?
10 Answers
10
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When would anyone use a union? Is it a remnant from the C-only days?
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Unions are usually used with the company of a discriminator: a variable indicating which of the fields of the union is valid. For example, let's say you want to create your own Variant type:
struct my_variant_t {
int type;
union {
char char_value;
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Implementing Comments and Likes in database
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The most extensible solution is to have just one "base" table (connected to "likes", tags and comments), and "inherit" all other tables from it. Adding a new kind of entity involves just adding a new "inherited" table - it then automatically plugs into t...