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How do I change read/write mode for a file using Emacs?
If a file is set to read only mode, how do I change it to write mode and vice versa from within Emacs?
9 Answers
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file_put_contents - failed to open stream: Permission denied
I am trying to write a query to a file for debugging. The file is in database/execute.php . The file I want to write to is database/queries.php .
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Mercurial - all files that changed in a changeset?
How can you determine all the files that changed in a given changeset?
7 Answers
7
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Upgrading PHP in XAMPP for Windows?
... version and replace those folders.
Note:
In case you have changed config files like PHP (php.ini), Apache (httpd.conf) or any other, please take back up of those files as well and replace them with newly installed version.
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Resize image in PHP
...mages.
With GD, for example, it's as simple as...
function resize_image($file, $w, $h, $crop=FALSE) {
list($width, $height) = getimagesize($file);
$r = $width / $height;
if ($crop) {
if ($width > $height) {
$width = ceil($width-($width*abs($r-$w/$h)));
} ...
How to create a new file together with missing parent directories?
...
Have you tried this?
file.getParentFile().mkdirs();
file.createNewFile();
I don't know of a single method call that will do this, but it's pretty easy as two statements.
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How to create a zip file in Java
I have a dynamic text file that picks content from a database according to the user's query. I have to write this content into a text file and zip it in a folder in a servlet. How should I do this?
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How to delete a specific line in a file?
Let's say I have a text file full of nicknames. How can I delete a specific nickname from this file, using Python?
17 Answe...
How to delete a whole folder and content?
...n delete its contents by using the method below:
Updated as per comments
File dir = new File(Environment.getExternalStorageDirectory()+"Dir_name_here");
if (dir.isDirectory())
{
String[] children = dir.list();
for (int i = 0; i < children.length; i++)
{
new File(dir, childr...
How to trigger a file download when clicking an HTML button or JavaScript
...
For the button you can do
<form method="get" action="file.doc">
<button type="submit">Download!</button>
</form>
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