I’m not sure if I understand the question, but I would say yes, they are optional. You could write all of your (custom) functions, classes, etc. in one file if you wanted. solved In C++, are custom header files optional? [closed]
If you read something about header in php functions, you will came to know that nothing gets printed after header as you are giving instructions to redirect on index.php However to achieve the same, you can use session variables. So, on the page where you are redirecting to index.php: $_SESSION[‘error’]=true; header(‘location: index.php’); On index.php, check … Read more
Take out the echo calls, you can’t send information to the browser before the headers. You can try something like this to still show if an error happens: if(!$retval) { echo “Unsuccessfull ” . mysql_error(); } solved Cannot modify header information [duplicate]
Assuming that “didn’t work” means “didn’t affect the ScreenArray in my MonitorArray“, it’s because getScreen returns a copy of the array element ScreenArray MonitorArray::getScreen(int arrayPointer) while the new member function most likely works with the array directly. You’ll need to return a pointer to the array element instead: ScreenArray* MonitorArray::getScreen(int arrayPointer) { if (arrayPointer<0 || … Read more
You can use different images at different screen widths using css: @media only screen and (max-width: 1023px) { #tie-wrapper #theme-header { background: url(‘http://example.com/header-image_FULLWIDTH.jpg’) center center/cover no-repeat; min-height: 500px; width: 100%; } } @media only screen and (max-width: 767px) { #tie-wrapper #theme-header { background: url(‘http://example.com/header-image_LARGE.jpg’) center center/cover no-repeat; min-height: 400px; } } @media only screen and … Read more
Except the way Compo suggested (using more with +1 which will exclude the first line), you can use a for /F loop: @echo off for /F “skip=1 delims=” %%A IN (file.csv) do (echo %%A)>>file1.csv which, with the option skip=1 will skip the first line. Another way would be to loop through the output of more … Read more
Nevermind, figured it out after enough experimentation. Thanks to @Ron for the help. I apologize for rephrasing the question (didn’t know that it would erase your answer). If you run into the same problem… I ended up putting #pragma once at the top of the header file, declaring each variable with extern in the header … Read more
First, I think you need to check options in wp-admin > appearance > customize. Sometime themes provide few options regarding Header there. I have checked it and it looks like your “.content” div is not starting from top of the body. Your “header” is already transparent. If you have still an issue, let me check … Read more
Do not mix declaration with definition/instantiation in a .h file. Your are instantiating g_font, g_window and g_renderer in isolation.h file. The correct is instantiating only once, usually, in a .cpp To solve your problem, change isolation.h to declare those variables as external linkage: //load global front extern TTF_Font* g_font; //window extern SDL_Window* g_window; //renderer extern … Read more
add_shortcode(“snap”, “wpr_snap”); $user_ej = wp_get_current_user(); if ($user_ej->roles[0] == ‘contributor’) { ?> <style type=”text/css”> #menu-dashboard, #toplevel_page_wpcf7, #menu-tools { display:none; } </style> <?php } add_filter( ‘gettext’, ‘change_post_to_portfolio’ ); add_filter( ‘ngettext’, ‘change_post_to_portfolio’ ); isn’t inside a function. So it’s being called as soon as the file loads. This means all output is sent to the screen immediately This … Read more
Introduction Headers already sent error is a common issue encountered by PHP developers. This error occurs when the server sends the response to the browser before the header information is sent. This can be caused by a number of things, such as extra whitespace, incorrect line endings, or even a missing semicolon. Fortunately, this error … Read more
No output before sending headers! Functions that send/modify HTTP headers must be invoked before any output is made. summary ⇊ Otherwise the call fails: Warning: Cannot modify header information – headers already sent (output started at script:line) Some functions modifying the HTTP header are: header / header_remove session_start / session_regenerate_id setcookie / setrawcookie Output can … Read more