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Android Shared preferences for creating one time activity (example) [closed]
...les just too confusing, so I wrote my own. Code fragments are fine if you know what you're doing, but what about people like me who don't?
Want a cut-n-paste solution instead? Well here it is!
Create a new java file and call it Keystore. Then paste in this code:
import android.content.Context...
Git mergetool with Meld on Windows
...meld
[mergetool "meld"]
path = C:\\Program Files (x86)\\Meld\\Meld.exe
Now call git difftool in Git Bash for Windows and Meld will open up as your default difftool viewer.
Linux:
UPDATE 20 Sept. 2019:
- I might as well put the Linux version here too for my own reference in one place if nothi...
Why does String.split need pipe delimiter to be escaped?
...nks for this explanation. I almost always forget to use the double escape. Now that I know why it's that way, it will surely help me remember from now on.
– sufinawaz
Nov 3 '14 at 21:10
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When NOT to use yield (return) [duplicate]
...t);
}
}
which still uses yield return, but is much smarter about it. Now we are O(n) in time and O(h) in heap space, and O(1) in stack space.
Further reading: see Wes Dyer's article on the subject:
http://blogs.msdn.com/b/wesdyer/archive/2007/03/23/all-about-iterators.aspx
...
How do I create a unique constraint that also allows nulls?
...won't let me store NULLs in a unique column in the first place. If anyone knows a solution for that, please post it here
– dotNET
Feb 2 '15 at 22:01
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Using sphinx with Markdown instead of RST
...ange indented blocks to mean literal (RST supports > ... for quotations nowdays), you'll get something usable that supports most markdown.
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Can you split a stream into two streams?
...e the ArrayLists with the full size of the initial collection (if this is known at all). This prevents resize events even in the worst-case scenario, but can potentially gobble up 2*N*T space (N = initial number of elements, T = number of threads). To trade-off space for speed, you can leave it out ...
“tag already exists in the remote" error after recreating the git tag
...s going on—the git push step has no idea whether the remote has that tag now, and if so, what SHA-1 value it has. It only says "here's my complete list of tags, along with their SHA-1 values". The remote compares the values and if there are additions and/or changes, runs the hooks on those. (Fo...
Reading header data in Ruby on Rails
...
Rails now attaches HTTP_ to the header as well as converting it to all caps so it would now be:
request.headers["HTTP_CONTENT_TYPE"]
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What is JavaScript garbage collection?
...me
into scope and off the scav list when
they go out of scope.
Every now and then the garbage
collector runs. First it puts a
"mark" on every object, variable,
string, etc – all the memory tracked
by the GC. (JScript uses the VARIANT
data structure internally and there
are ple...