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Measuring text height to be drawn on Canvas ( Android )
...This is some text.";
TextPaint myTextPaint = new TextPaint();
myTextPaint.setAntiAlias(true);
myTextPaint.setTextSize(16 * getResources().getDisplayMetrics().density);
myTextPaint.setColor(0xFF000000);
int width = 200;
Layout.Alignment alignment = Layout.Alignment.ALIGN_NORMAL;
float spacingMultip...
How to save an HTML5 Canvas as an image on a server?
...ials just talk about saving the image locally. This is how I did it:
1) I set up a form so I can use a POST method.
2) When the user is done drawing, he can click the "Save" button.
3) When the button is clicked I take the image data and put it into a hidden field. After that I submit the form.
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Django optional url parameters
...w+)/$', views.foo),
)
Keep in mind that in your view you'll also need to set a default for the optional URL parameter, or you'll get an error:
def foo(request, optional_parameter=''):
# Your code goes here
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Converting array to list in Java
...ist23.
To be clear list21 can be modified in sense that we can call list21.set(index,element) but this list may not be structurally modified i.e. cannot add or remove elements from the list. You can also check this answer of mine for more explanation.
If we want an immutable list then we can wrap i...
EditText, clear focus on touch outside
... of the EditText , it still has the focus (it shouldn't).
I guess I could set up OnTouchListener 's on the other views in layout and manually clear the EditText 's focus. But seems too hackish...
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How do I compile and run a program in Java on my Mac?
... you gain more experience, you'll start to appreciate the rest of its rich set of features.
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How to name and retrieve a stash by name in git?
...you. I have also updated my .gitignore to ignore .patch files and I am all set to have as many patches as I want.
– LINGS
Jun 24 '19 at 14:27
1
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Gitignore not working
...ose any work, all of my most recent updates from the working branch were reset to the master branch but depending on your setup this behavior may be undesirable.
– Sledge
Jun 22 '18 at 14:33
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How can one check to see if a remote file exists using PHP?
...More or less
$ch = curl_init("http://www.example.com/favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch);
Anyway, you only save the cost of the HTTP ...
Add timestamps to an existing table
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There is a problem with setting the default to Time.zone.now which is that it will return the Time instance that is created when the migration is run and just use that time as the default. New objects wont get a new Time instance.
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