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What are commit-ish and tree-ish in Git?
...t refers to a (sub)directory, but it
can also be used to identify specific files. When it refers to files, I'm not
sure if it's still considered "tree-ish", or if acts more like "blob-ish" (Git
refers to files as "blobs").
The Long Answer
Commits and Directory Trees in Git
At its lowest levels, G...
Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...e be perfect in any way, but did achieve my needs at the time.
$uploadTempFile = $myField[ 'tmp_name' ]
list( $uploadWidth, $uploadHeight, $uploadType )
= getimagesize( $uploadTempFile );
$srcImage = imagecreatefrompng( $uploadTempFile );
$targetImage = imagecreatetruecolor( 128, 128 );
im...
“Default Activity Not Found” on Android Studio upgrade
..., or after Generating a new APK, you may need to refresh the IDE's cache.
File -> Invalidate Caches / Restart...
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How to navigate a few folders up?
...
The following method searches a file beginning with the application startup path (*.exe folder). If the file is not found there, the parent folders are searched until either the file is found or the root folder has been reached. null is returned if the file...
Get image data url in JavaScript?
...and the server supports CORS. It's also not going to give you the original file, but a re-encoded version. If you need the result to be identical to the original, see Kaiido's answer.
You will need to create a canvas element with the correct dimensions and copy the image data with the drawImage f...
Symbolic links and synced folders in Vagrant
...owing line needs to be added to the vm provider config block in the Vagrantfile:
config.vm.provider "virtualbox" do |v|
v.customize ["setextradata", :id, "VBoxInternal2/SharedFoldersEnableSymlinksCreate/v-root", "1"]
end
Additionally, on windows vagrant up needs to be executed in a shell with...
How does Junit @Rule work?
...poraryFolder();
@Test
public void testRule() throws IOException {
File newFolder = tempFolder.newFolder("Temp Folder");
assertTrue(newFolder.exists());
}
}
Every time the above test method is executed, a temporary folder is created and it gets deleted after the execution of the met...
DateTime.ToString() format that can be used in a filename or extension?
I want to add a timestamp to filenames as files are created but most of the DateTime methods I've tried output something with spaces and slashes. For instance:
...
What do these words mean in Git: Repository, fork, branch, clone, track?
...subdirectory of your working copy - a copy of the most recent state of the files you're working on.
To fork a project (take the source from someone's repository at certain point in time, and apply your own diverging changes to it), you would clone the remote repository to create a copy of it, then ...
Adding external library into Qt Creator project
...cific lib, this really doesn't matter.
In case you want to store your lib files in the project directory, you can reference them with the $$_PRO_FILE_PWD_ variable, e.g.:
LIBS += -L"$$_PRO_FILE_PWD_/3rdparty/libs/" -lpsapi
...