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CSS image resize percentage of itself?
...ust want to shrink the image by half by resizing it to 50%. But applying width: 50%; will resize the image to be 50% of the container element (the parent element which maybe the <body> for example).
...
Django rest framework nested self-referential objects
...e a serializer as a field on itself, but you can use these methods to override what fields are used by default.
class CategorySerializer(serializers.ModelSerializer):
parentCategory = serializers.PrimaryKeyRelatedField()
class Meta:
model = Category
fields = ('parentCategor...
Disable JavaScript error in WebBrowser control
...cate accept window. The below will suppress only javascript errors.
// Hides script errors without hiding other dialog boxes.
private void SuppressScriptErrorsOnly(WebBrowser browser)
{
// Ensure that ScriptErrorsSuppressed is set to false.
browser.ScriptErrorsSuppressed = false;
// ...
JPA: what is the proper pattern for iterating over large result sets?
...setMaxResults(max).getResultList();
}
then, use it like this:
private void iterateAll()
{
int offset = 0;
List<Model> models;
while ((models = Model.getAllModelsIterable(offset, 100)).size() > 0)
{
entityManager.getTransaction().begin();
for (Model model ...
Detecting 'stealth' web-crawlers
...claimed user-agent strings and, if the client claimed to be a legitimate spider but not on the whitelist, it performed DNS/reverse-DNS lookups to verify that the source IP address corresponds to the claimed owner of the bot. As a failsafe, these actions were reported to the admin by email, along wi...
How do I delete multiple rows in Entity Framework (without foreach)
...ch, right?
Well, yes, except you can make it into a two-liner:
context.Widgets.Where(w => w.WidgetId == widgetId)
.ToList().ForEach(context.Widgets.DeleteObject);
context.SaveChanges();
share
|...
How can I get the list of a columns in a table for a SQLite database?
...
Great! Now how is this done from outside the command line? How is this done from within my own C program?
– Aaron Bratcher
Sep 27 '13 at 13:56
...
Stop/Close webcam which is opened by navigator.getUserMedia
...eveloper will have to access the tracks that make up the stream (audio or video) and stop each of them individually.
More info here: https://developers.google.com/web/updates/2015/07/mediastream-deprecations?hl=en#stop-ended-and-active
Example (from the link above):
stream.getTracks().forEach...
Cleanest way to build an SQL string in Java
...
First of all consider using query parameters in prepared statements:
PreparedStatement stm = c.prepareStatement("UPDATE user_table SET name=? WHERE id=?");
stm.setString(1, "the name");
stm.setInt(2, 345);
stm.executeUpdate();
The other th...
Custom CSS Scrollbar for Firefox
...5
And this for background info: https://bugzilla.mozilla.org/show_bug.cgi?id=1460109
There's no Firefox equivalent to ::-webkit-scrollbar and friends.
You'll have to stick with JavaScript.
Plenty of people would like this feature, see: https://bugzilla.mozilla.org/show_bug.cgi?id=77790
As far as ...