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I'm looking for a function which return boolean value if user has mobile browser or not. I know that I can ... to create a function which return true / false. Question&Answers:os...

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python - How to get all possible combinations of a list’s elements?

I have a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those ... know of a better way? Using map(), maybe? Question&Answers:os...

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python - What is the difference between re.search and re.match?

What is the difference between the search() and match() functions in the Python re module? I've read the ... it will take less time to re-learn it. Question&Answers:os...

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c++ - Accessing an array out of bounds gives no error, why?

I am assigning values in a C++ program out of the bounds like this: #include <iostream> using namespace std; int ... endl; and this one also produces no error. Question&Answers:os...

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foreach - How does the Java 'for each' loop work?

Consider: List<String> someList = new ArrayList<String>(); // add "monkey", "donkey", "skeleton key" to ... loop look like without using the for each syntax? Question&Answers:os...

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javascript - How can I tell if a DOM element is visible in the current viewport?

Is there an efficient way to tell if a DOM element (in an HTML document) is currently visible (appears in the viewport)? (The question refers to Firefox.) Question&Answers:os...

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c - What is the behavior of integer division?

For example, int result; result = 125/100; or result = 43/100; Will result always be the floor of the division? What is the defined behavior? Question&Answers:os...

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Using i and j as variables in MATLAB

i and j are very popular variable names (see e.g., this question and this one). For example, in loops: ... shouldn't they be used as variable names in MATLAB? Question&Answers:os...

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python - Why is the order in dictionaries and sets arbitrary?

I don't understand how looping over a dictionary or set in python is done by 'arbitrary' order. I mean, it's a ... 1st, second and so on. What am I missing? Question&Answers:os...

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installation - How should I deal with "package 'xxx' is not available (for R version x.y.z)" warning?

I tried to install a package, using install.packages("foobarbaz") but received the warning Warning message: package ' ... available (for R version 3.1.2)" Question&Answers:os...

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html - Targeting flex items on the last or specific row

My problem is that I want the flexbox with variable range width, and all works well, but not on the last row. I ... a CSS solution, with JS I know the way). Question&Answers:os...

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Web-scraping JavaScript page with Python

I'm trying to develop a simple web scraper. I want to extract text without the HTML code. In fact, I ... 'm looking for some ideas to solve this problem. Question&Answers:os...

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Using i and j as variables in MATLAB

i and j are very popular variable names (see e.g., this question and this one). For example, in loops: ... shouldn't they be used as variable names in MATLAB? Question&Answers:os...

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obfuscation - How can I obfuscate (protect) JavaScript?

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javascript - How to make an AJAX call without jQuery?

How to make an AJAX call using JavaScript, without using jQuery? Question&Answers:os...

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How do function pointers in C work?

I had some experience lately with function pointers in C. So going on with the tradition of answering your own ... need a quick dive-in to the subject. Question&Answers:os...

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r - Simultaneously merge multiple data.frames in a list

I have a list of many data.frames that I want to merge. The issue here is that each data.frame differs in ... no resolution). Is there any way to solve this? Question&Answers:os...

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php - How to check if a row exists in MySQL? (i.e. check if an email exists in MySQL)

I need help checking if a row exists in the database. In my case, that row contains an email address. I am ... my case, check if an email exists in MySQL)? Question&Answers:os...

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javascript - How to filter object array based on attributes?

I have the following JavaScript array of real estate home objects: var json = { 'homes': [{ "home_id": "1", ... be exactly like above. This is just an example. Question&Answers:os...

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c# - Why are mutable structs “evil”?

Following the discussions here on SO I already read several times the remark that mutable structs are evil ( ... problem with mutability and structs in C#? Question&Answers:os...

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html - What does enctype='multipart/form-data' mean?

What does enctype='multipart/form-data' mean in an HTML form and when should we use it? Question&Answers:os...

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python - Why are global variables evil?

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sql - How can I do a FULL OUTER JOIN in MySQL?

I want to do a full outer join in MySQL. Is this possible? Is a full outer join supported by MySQL? Question&Answers:os...

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How can I combine two strings together in PHP?

I don't actually know how to describe what I wanted, but I'll show you: For example: $data1 = "the color is" ... ? Desired result: $result = "the color is red"; Question&Answers:os...

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geometry - How do CSS triangles work?

There're plenty of different CSS shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle: ... ; } <div id="triangle-up"></div> Question&Answers:os...

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javascript - JQuery - $ is not defined

I have a simple jquery click event <script type="text/javascript"> $(function() { $('#post').click( ... have checked and checked again, please advise! :/ Question&Answers:os...

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python - What is __init__.py for?

What is __init__.py for in a Python source directory? Question&Answers:os...

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Reading a plain text file in Java

It seems there are different ways to read and write data of files in Java. I want to read ASCII data ... . What are the possible ways and their differences? Question&Answers:os...

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