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linq where list contains any in list
...keet I always use Contains method for these kind of queries. I was curious by seeing your answer and checked the internal implementation and found that Intersect uses Set. Can you tell me the performance difference between those two methods?
– rebornx
Feb 17 '1...
How do I speed up the scroll speed in a JScrollPane when using the mouse wheel?
...irement is to scroll a page at a time or 5 rows at a time you cant to that by just manipulating the unit value. Also the default row height may be different for each LAF. By manipulating the scroll amount on a relative basis you have better cross platform support.
– camickr
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Git: See my last commit
...version to git are familiar with.
--name-status is the key here; as noted by other folks in this question, you can use git log -1, git show, and git diff to get the same sort of output. Personally, I tend to use git show <rev> when looking at individual revisions.
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Check a collection size with JSTL
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As suggested by @Joel and @Mark Chorley in earlier comments:
${empty companies}
This checks for null and empty lists/collections/arrays. It doesn't get you the length but it satisfies the example in the OP. If you can get away with it ...
git replace local version with remote version
...remote/branch:subdir/
You can then (optionally) update your working copy by doing
git checkout-index -u --force
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How do you find the current user in a Windows environment?
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echo %USERDOMAIN%
You can get a complete list of environment variables by running the command set from the command prompt.
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Default value of 'boolean' and 'Boolean' in Java
...t of null. Primitives have different default values:
boolean -> false
byte, char, short, int, long -> 0
float, double -> 0.0
Note (2): void has a wrapper Void which also has a default of null and is it's only possible value (without using hacks).
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Using sed and grep/egrep to search and replace
I am using egrep -R followed by a regular expression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
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How to get a substring of text?
...l"
a[/[aeiou](.)\1/, 2] #=> nil
a["lo"] #=> "lo"
a["bye"] #=> nil
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Rolling back a remote Git repository
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You can rollback to a specific commit by using: git reset --hard [sha1] where sha1 is the commit hash identifier.
– pisaruk
Jul 17 '12 at 22:42
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