How to extract img src, title and alt from html using php?

How to extract img src, title and alt from html using php?

I would like to create a page where all images which reside on my website are listed with title and alternative representation.I already wrote me a little program to find and load all HTML files, but now I am stuck at how to extract src, ti

Detecting which UIButton was pressed in a UITableView

Detecting which UIButton was pressed in a UITableView

I have a UITableView with 5 UITableViewCells. Each cell contains a UIButton which is set up as follows:- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ NSString *identifier = @"iden

Why is “import *” bad?

Why is “import *” bad?

It is recommended to not to use import * in Python. Can anyone please share the reason for that, so that I can avoid it doing next time? 1:Because it puts a lot of stuff into your namespace (might shadow some other object from previous i

Pass correct “this” context to setTimeout callback? [duplicate]

Pass correct “this” context to setTimeout callback? [duplicate]

This question already has an answer here: How to access the correct `this` inside a callback? 6 answers How do I pass context into setTimeout? I want t

Transpose / reshape dataframe without “timevar” from long to wide format

Transpose / reshape dataframe without “timevar” from long to wide format

I have a data frame that follows the below long Pattern: Name MedName Name1 atenolol 25mg Name1 aspirin 81mg Name1 sildenafil 100mg Name2 atenolol 50mg Name2 enalapril 20mgAnd would like to get below (I do not ca

SQL Server: Examples of PIVOTing String data

SQL Server: Examples of PIVOTing String data

Trying to find some simple SQL Server PIVOT examples. Most of the examples that I have found involve counting or summing up numbers. I just want to pivot some string data. For example, I have a query returning the following.Action1 VIEW

When a function has a specific-size array parameter, why is it replaced with a pointer?

When a function has a specific-size array parameter, why is it replaced with a pointer?

Given the following program,#include using namespace std;void foo( char a[100] ){ cout << "foo() " << sizeof( a ) << endl;}int main(){ char bar[100] = { 0 }; cout << "main() " << sizeof( bar ) << endl; foo( bar ); r

How to apply bindValue method in LIMIT clause?

How to apply bindValue method in LIMIT clause?

Here is a snapshot of my code:$fetchPictures = $PDO->prepare("SELECT * FROM pictures WHERE album = :albumId ORDER BY id ASC LIMIT :skip, :max");$fetchPictures->bindValue(':albumId', $_GET['albumid'], PDO::PARAM_INT);if(isset

Event handler not working on dynamic content [duplicate]

Event handler not working on dynamic content [duplicate]

This question already has an answer here: Event binding on dynamically created elements? 19 answers I have a tag A in which when clicked on, it append

What are POD types in C++?

What are POD types in C++?

I've come across this term POD-type a few times... what does it mean? 1:POD stands for Plain Old Data - that is, a class (whether defined with the keyword struct or the keyword class) without constructors, destructors and virtual member

Dynamically select data frame columns using $ and a vector of column names

Dynamically select data frame columns using $ and a vector of column names

I wish to order a data frame based on different columns, one at a turn. I have a character vector with the relevant column names on which the order should be based:parameter <- c("market_value_LOCAL", "ep", "book_price", "sales_price", "div

How can I view the source code for a function?

How can I view the source code for a function?

I want to look at the source code for a function to see how it works. I know I can print a function by typing its name at the prompt:> tfunction (x) UseMethod("t")In this case, what does Use

URL rewriting with PHP

URL rewriting with PHP

I have a URL that looks like:url.com/picture.php?id=51How would I go about converting that URL to:picture.php/Some-text-goes-here/51I think WordPress does the same.How do I go about making friendly URLs in PHP? 1:You can essentially do t

How do I set/unset a cookie with jQuery?

How do I set/unset a cookie with jQuery?

How do I set and unset a cookie using jQuery, for example create a cookie named test and set the value to 1? 1:See the plugin:https://github.com/carhartl/jquery-cookieYou can then do:$.cookie("test", 1);To delete:$.removeCookie("test");A

How can I obfuscate (protect) JavaScript? [closed]

How can I obfuscate (protect) JavaScript? [closed]

I want to make a JavaScript application that's not open source, and thus I wish to learn how to can obfuscate my JS code? Is this possible? 1:Obfuscation:Try YUI Compressor. It's a very popular tool, built, enhanced and maintained by th

What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

I have some code and when it executes, it throws a IndexOutOfRangeException, saying, Index was outside the bounds of the array.What does this mean, and what can I do about it?Depending on classes used it can also be ArgumentOutOfRangeExce

The 3 different equals

The 3 different equals

What is the difference between =, ==, and ===?I think using one equal sign is to declare a variable while two equal signs is for a comparison condition and lastly three equal signs is for comparing values of declared variables. 1:You hav

How to use MySQLi inside a namespace

How to use MySQLi inside a namespace

MySQLi works fine inside a class with no namespace and outside a class. I recently started using namespace and now I have stumbled on a code much like the following: namespace Project; class ProjectClass{ public static function Project

C++ compiler warning - returning local variable

C++ compiler warning - returning local variable

I'm simply trying to overload a + operator and I'm getting this compiler warningreference to local variable 'tmp' returnedHere is the code for the overloadconst Int& Int::operator+(const Int& p) const{ Int tmp = value + p.value; retur

security error the operation is insecure in firefox document.stylesheets

security error the operation is insecure in firefox document.stylesheets

The following code throws an error in the Firefox Console at the line with the continue. SecurityError: The operation is insecure.if( !sheet.cssRules ) { continue; }However does not in Chrome and IE 11... Can someone explain the -why- of th

mysql_field_name to the new mysqli

mysql_field_name to the new mysqli

I have a way to get the name of the columns of a table. It works fine but now I want to update to the new mysqli ? (I tried the mysqli_fetch_field but I don't know how to apply to this case and I am not sure if it is the wright option)How t

How do I fill a va_list

How do I fill a va_list

If I have a va_list I know how to extract all its elements: void printInts(int n,...){ va_list va; va_start(va, n); for(unsigned int i=0; iSo when I call printInts(3,1,2,3) the va_list get filled of all the parameters.But how do I

Python 2.5 dictionary 2 key sort

Python 2.5 dictionary 2 key sort

I have a dictionary of 200,000 items (the keys are strings and the values are integers).What is the best/most pythonic way to print the items sorted by descending value then ascending key (i.e. a 2 key sort)? a={ 'keyC':1, 'keyB':2, 'keyA':

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

Reloading model in laravel

Reloading model in laravel

In some of my tests, I have a user model I have created and I run some methods that need to save certain attributes. In rails, I would typically call something like user.reload which would repopulate the attributes from the database.Is ther