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What does InitializeComponent() do, and how does it work in WPF?
...itled 'Show All Files'. Toggle that button.
Now, expand the obj folder and then the Debug or Release folder (or whatever configuration you are building) and you will see a file titled YourClass.g.cs.
The YourClass.g.cs ... is the code for generated partial class. Again, if you open that up you can...
JPA CascadeType.ALL does not delete orphans
...e Hibernate, you'll have to explicitly first delete the child elements and then delete the main record to avoid any orphan records.
execution sequence
fetch main row to be deleted
fetch child elements
delete all child elements
delete main row
close session
With JPA 2.0, you can now use the o...
How to show disable HTML select option in by default?
...
You should set the value="" so if you also have required then an error will be raised to choose from the dropdown, otherwise a empty value gets passed even though nothing was selected. <option selected="true" disabled="disabled" value="">Choose Tagging</option>
...
Single Sign On across multiple domains [closed]
...ite hosted on each of the domains. At this time, each domain has its own authentication which is done via cookies.
4 Answe...
How to get everything after last slash in a URL?
...E SECURITY AND RELIABILITY should be using urllib.parse() instead! You can then use the path value that it returns and split THAT to ensure that you've split ONLY the path.
– Mitch McMabers
May 31 at 7:26
...
Google fonts URL break HTML5 Validation on w3.org
...ld need to be encoded by HTML rules (e.g. &amp etc). The user agent is then expected to follow RFC 3987 and convert the IRI to percent encoded UTF-8 before submitting it over HTTP (tools.ietf.org/html/rfc3987).
– Mikko Rantalainen
Oct 23 '17 at 6:30
...
Select mySQL based only on month and year
... find the first day of the month:
$first_day = $_POST['period'] . "-01"
Then this query will use an index on Date if you have one:
$q = "
SELECT *
FROM projects
WHERE Date BETWEEN '$first_day'
AND LAST_DAY( '$first_day' )
" ;
One could also use inclusive...
Approximate cost to access various caches and main memory?
...to ensure that the line is exclusive and not modified -- if it is modified then it is changed to shared; LLC now becomes dirty and it is returned to the requesting core as shared. Maybe I'm wrong -- I know the MOESI protocol is different.
– Lewis Kelsey
Feb 5 '...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...umes that a developer shouldn’t change a file. If a file was changed – then that change is not important. This flag is meant for improving performance for not-changing folders like SDKs.
But if the promise is broken and a file is actually changed, git reverts the flag to reflect the reality. Pro...
Size of Matrix OpenCV
...
If you are using the Python wrappers, then (assuming your matrix name is mat):
mat.shape gives you an array of the type- [height, width, channels]
mat.size gives you the size of the array
Sample Code:
import cv2
mat = cv2.imread('sample.png')
height, width, ...