Has C++ standard changed with respect to the use of indeterminate values and undefined behavior in C

Has C++ standard changed with respect to the use of indeterminate values and undefined behavior in C

As covered in Does initialization entail lvalue-to-rvalue conversion? Is int x = x; UB? the C++ standard has a surprising example in section 3.3.2 Point of declaration in which an int is initialized with it's own indeterminate value:int x =

Replace method doesn't work

Replace method doesn't work

I want to replace the smart quotes like ‘, ’, “ and ” to regular quotes. Also, I wanted to replace the ©, ® and ™. I used the following code. But it doesn't help.Kindly help me to resolve this issue.str.replace(/[“”]/g, '"');str.replace(/[‘

How to capture the browser window close event?

How to capture the browser window close event?

I want to capture the browser window/tab close event.I have tried the following with jQuery: jQuery(window).bind( "beforeunload", function() { return confirm("Do you really want to close?") })But it works on form submissi

Using jQuery to center a DIV on the screen

Using jQuery to center a DIV on the screen

How do I go about setting a

in the center of the screen using jQuery? 1:I like adding functions to jQuery so this function would help:jQuery.fn.center = function () { this.css("position","absolute"); this.css("top", Math.max(

Why does reading a record struct fields from std::istream fail, and how can I fix it?

Why does reading a record struct fields from std::istream fail, and how can I fix it?

Suppose we have the following situation:A record struct is declared as follows struct Person { unsigned int id; std::string name; uint8_t age; // ...};Records are stored in a file using the following format:ID Forename Las

jQuery Mobile: Markup Enhancement of dynamically added content

jQuery Mobile: Markup Enhancement of dynamically added content

I was wondering how can I enhance dynamically jQuery Mobile page?I have tried to use these methods:$('[data-role="page"]').trigger('create');and$('[data-role="page"]').page();Also how can I prevent enhancement markup of check boxes only?

How to test whether stringstream operator>> has parsed a bad type and skip it

How to test whether stringstream operator>> has parsed a bad type and skip it

I am interested in discussing methods for using stringstream to parse a line with multiple types. I would begin by looking at the following line:"2.832 1.3067 nana 1.678"Now lets assume I have a long line that has multiple strings and doubl

What are bitwise shift (bit-shift) operators and how do they work?

What are bitwise shift (bit-shift) operators and how do they work?

I've been attempting to learn C in my spare time, and other languages (C#, Java, etc.) have the same concept (and often the same operators) ... What I'm wondering is, at a core level, what does bit-shifting (<<, >>, >>>) do, what problems c

Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…

Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…

I am trying to convert a timestamp of the format 2009-09-12 20:57:19 and turn it into something like 3 minutes ago with PHP.I found a useful script to do this, but I think it's looking for a different format to be used as the time variable.

How to scroll the window automatically when mouse moves bottom of the page using jquery

How to scroll the window automatically when mouse moves bottom of the page using jquery

I have 50 divs,But in my window it shows only 25,I do drag and drop activity on these divs.So If i drag my first div near 25th div,It should scroll automatically to show the remaining divs.How do i do this in jquery? any idea?I am using Nes

How to check if a Textarea is empty in Javascript or Jquery?

How to check if a Textarea is empty in Javascript or Jquery?

How do i check if a textarea contains nothing? I tryed with this code if(document.getElementById("field").value ==null){ alert("debug"); document.getElementById("field").style.display ="none"; }But it doesnt do what i expect.I expect

In C++11, can the characters in the array pointed to by string::c_str() be altered?

In C++11, can the characters in the array pointed to by string::c_str() be altered?

std::string::c_str() returns a pointer to an array that contains a null-terminated sequence of characters (i.e., a C-string) representing the current value of the string object.In C++98 it was required that "a program shall not alter any of

Console.log IE9 issue

Console.log IE9 issue

I made a simple Task Manager using local.storage and I'm using console.log to set some variables but with that, the entire task app doesn't work in IE.Is there any alternative method of doing this? Here is the fiddle of the working Task Man

using nth-child in tables tr td

using nth-child in tables tr td

$ $ $ $ $ Here is my code, I want s with "$" with a background of #CCC in all the s.Can any one help me how to do this using nth-child, pseudo classes? 1:table tr td:nth-ch

Why am I getting Unexpected token '\\u0000' when using npm install -g package

Why am I getting Unexpected token '\\u0000' when using npm install -g package

This is probably a Windows specific issue but I haven't found any information when googling this issue. I had been using ionic framework which relies on Cordova (or Phonegap). However, the problem is not specific to any of these packages.

Run a script in the same directory as the current script

Run a script in the same directory as the current script

I have two Bash scripts in the same folder (saved somewhere by the user who downloads the entire repository):script.sh is run by the userhelper.sh is required and run by script.shThe two scripts should be in the same directory. I need the f

Why does Visual Studio disable the media buttons?

Why does Visual Studio disable the media buttons?

I've got iTunes running and the media buttons on my computer work with it. I've installed mmkeys.dll which has been recommended for making iTunes work with media keys in the background and it works fine with all apps - firefox, thunderbird,

How to do Git Log see only merges to master branch?

How to do Git Log see only merges to master branch?

In my work process I need to provide a list of files to my server admin.The list comes from the merge of my working branch (Branch A) into Master branch.So I merge branch A into branch Master and then deploy Master.Right now the best I coul

Exhaustive condition of switch case in Swift

Exhaustive condition of switch case in Swift

The Apple documentation says Every switch statement must be exhaustive. That is, every possible value of the type being considered must be matched by one of the switch cases.So in new Xcode I have placed a code like thisprintln(UInt16.mi

show distinct column values in pyspark dataframe: python

show distinct column values in pyspark dataframe: python

Please suggest pyspark dataframe alternative for Pandas df['col'].unique().I want to list out all the unique values in a pyspark dataframe column.Not the SQL type way (registertemplate then SQL query for distinct values).Also I don't need g

Setting environment variable for CHROME_BIN does not work

Setting environment variable for CHROME_BIN does not work

I'm trying to use Karma for testing my js scripts. In the doc it says I should set the environment variable for CHROME_BIN:I've set it to %programfiles(x86)%"\Google\Chrome\Application\Chrome.exebut when I type %CHROME_BIN% in DOS, it fail

Angular 2.x watching for variable change

Angular 2.x watching for variable change

I'm migrating from angular 1.x to 2.x but my brains still think in angular 1.x so sorry for silly questions.What I need is to take some action when one of my scope variables component properties changes. I found a solution but I think there

Most current iOS version distribution percentage?

Most current iOS version distribution percentage?

I started working on a new app and I wanted to use all of the new iOS5 features (including storyboard) but I'm afraid to limit my app to iOS5 users only.I couldn't find any information about iOS5 usage VS iOSall users have iOS5. What matter

Get attribute of child element

Get attribute of child element

If I have the following markup: Hours How can I target the tag within the anchor tag? There are five other similar tag entries, each with a different value for sortcat= 1:$(".sort").click(function(){ var cat = $(this).

Is AnkhSVN any good?

Is AnkhSVN any good?

I asked a couple of coworkers about AnkhSVN and neither one of them was happy with it. One of them went as far as saying that AnkhSVN has messed up his devenv several times.What's your experience with AnkhSVN? I really miss having an IDE in