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cancelling a handler.postdelayed process
...nnable, SPLASH_DISPLAY_LENGTH);
And this to remove it: myHandler.removeCallbacks(myRunnable);
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How can I save a screenshot directly to a file in Windows? [closed]
...ormat format = ImageFormat.PNG; or ImageFormat format = ImageFormat.JPG; All is here for you
– Patrick Desjardins
Oct 1 '08 at 15:31
4
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No output to console from a WPF application?
...
You'll have to create a Console window manually before you actually call any Console.Write methods. That will init the Console to work properly without changing the project type (which for WPF application won't work).
Here's a complete source code example, of how a C...
SQLAlchemy IN clause
...w about
session.query(MyUserClass).filter(MyUserClass.id.in_((123,456))).all()
edit: Without the ORM, it would be
session.execute(
select(
[MyUserTable.c.id, MyUserTable.c.name],
MyUserTable.c.id.in_((123, 456))
)
).fetchall()
select() takes two parameters, the first...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...an above option
gc log.txt | more # or less if you have it installed
gc log.txt | %{ $_ -replace '\d+', '($0)' } # sed
This works well enough for small files, larger ones (more than a few MiB) are probably a bit slow.
The PowerShell Community Extensions include some cmdlets fo...
finding and replacing elements in a list
... This is really slow in comparison to using native list methods like .index(10). There is no reason to list every list element to find a the elements that need to be replaced. Please see timing in my answer here.
– dawg
May 10 at 19:09
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What is the most efficient string concatenation method in python?
... idiomatic and thus easier for other python programmers to understand.
Finally, the golden rule of optimization: don't optimize unless you know you need to, and measure rather than guessing.
You can measure different methods using the timeit module. That can tell you which is fastest, instead of r...
How to Decrease Image Brightness in CSS
...portantly, the W3C specs: https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html
Note this is something that's only very recently coming into CSS as a feature. It is available, but a large number of browsers out there won't support it yet, and those that do support it will require a vendor pre...
Revert changes to a file in a commit
...n to git-revert and then remove the files you don't want reverted from the index before finally committing it. Here's an example showing how to easily revert just the changes to foo.c in the second most recent commit:
$ git revert --no-commit HEAD~1
$ git reset HEAD
$ git add foo.c
$ git commit -m ...
JPA: what is the proper pattern for iterating over large result sets?
... for posting the final code. In my case I'm shoving records into Solr, to index them for fulltext search. And, due to business rules I won't go into, I need to go via Hibernate, vs. just using JDBC or Solr's built-in modules.
– Mark Bennett
Feb 2 '12 at 0:12
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