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How to fix the flickering in User controls
...operly sized copy of the image so that it doesn't have to be resized every time the control repaints. Use the Format32bppPArgb pixel format for that copy, it renders about 10 times faster than any other pixel format.
Next thing you can do is prevent the holes from being so noticeable and contrasti...
Need to list all triggers in SQL Server database with table name and table's schema
I need to list all triggers in SQL Server database with table name and table's schema.
19 Answers
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How to save picture to iPhone photo library?
... I tried saving using ALAssetsLibrary, it takes just the same time to save as UIImageWriteToSavedPhotosAlbum.
– Hlung
May 5 '12 at 10:57
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What's the difference between 'git merge' and 'git rebase'?
... rebase stays in 1 developer's repo and even there it has only limited lifetime in the reflog. It might look nicer, but nobody else can see as easily what went wrong.
– Uwe Geuder
Sep 23 '13 at 12:59
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Convert a series of parent-child relationships into a hierarchical tree?
I have a bunch of name-parentname pairs, that I'd like to turn into as few heirarchical tree structures as possible. So for example, these could be the pairings:
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Why can't I forward-declare a class in a namespace using double colons?
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This is an answer which saved great amount of my time
– Kadir Erdem Demir
Oct 11 '16 at 11:52
17
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How to count occurrences of a column value efficiently in SQL?
I have a table of students:
6 Answers
6
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Is it possible to run one logrotate check manually?
...c/logrotate.d/custom.conf does this mean, you don't need to specify a size/time when the log should automatically rotate? Or should you place the config in a different folder if you do not intend to make it rotate automatically?
– Damainman
Aug 7 '13 at 9:19
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“inconsistent use of tabs and spaces in indentation”
I'm trying to create an application in Python 3.2 and I use tabs all the time for indentation, but even the editor changes some of them into spaces and then print out "inconsistent use of tabs and spaces in indentation" when I try to run the program.
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In C++, what is a virtual base class?
...roblem with the Dreaded Diamond is that the base class is present multiple times. So with regular inheritance, you believe you have:
A
/ \
B C
\ /
D
But in the memory layout, you have:
A A
| |
B C
\ /
D
This explain why when call D::foo(), you have an ambiguity problem. But the re...