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Converting Integer to Long
...on. It so happens that I am not always sure what the datatype of the field is. For that, and to avoid some code duplication I have created the following method:
...
cv2.imshow command doesn't work properly in opencv-python
...ollowing simple code created a window of the correct name, but its content is just blank and doesn't show the image:
15 Ans...
In C#, can a class inherit from another class and an interface?
...k but I think it conveys what I want to do.
The reason that I want to do this is because at my company we make USB, serial, Ethernet, etc device. I am trying to develop a generic component/interface that I can use to write programs for all our devices that will help keep the common things (like conn...
Can you target with css?
Is it possible to target the line-break <br/> tag with CSS?
14 Answers
14
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How to create “No Activate” form in Firemonkey
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It is possible using NSPanel with NSNonactivatingPanelMask flag. The NSView of fmx form should become child of NSPanel. I have written a helper class which works for both Windows and Mac platforms (Works on XE4):
unit NoActivat...
Locate current file in IntelliJ
How do I locate the current file in the project structure? (Similar to Visual Studio's Ctrl + Alt + L ). What is the name of the operation (so I can define it in the keymap)
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SQLAlchemy - Getting a list of tables
I couldn't find any information about this in the documentation, but how can I get a list of tables created in SQLAlchemy?
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What does the caret operator (^) in Python do?
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It's a bitwise XOR (exclusive OR).
It results to true if one (and only one) of the operands (evaluates to) true.
To demonstrate:
>>> 0^0
0
>>> 1^1
0
>>> 1^0
1
>>> 0^1
1
To explain one of your own...
Android: Clear the back stack
...IVITY_NEW_TASK as described in the docs for FLAG_ACTIVITY_CLEAR_TOP:
This launch mode can also be used to
good effect in conjunction with
FLAG_ACTIVITY_NEW_TASK: if used to
start the root activity of a task, it
will bring any currently running
instance of that task to the
foreground,...
Join/Where with LINQ and Lambda
... find that if you're familiar with SQL syntax, using the LINQ query syntax is much clearer, more natural, and makes it easier to spot errors:
var id = 1;
var query =
from post in database.Posts
join meta in database.Post_Metas on post.ID equals meta.Post_ID
where post.ID == id
select ne...