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Getting pids from ps -ef |grep keyword
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pgrep -f keyword
From the man page:
-f The pattern is normally only matched against the process name. When -f is set, the full command line is used.
If you really want to avoid pgrep, try:
ps -ef | awk '/[k]eyword/{print $2}'
Note the [] around the first letter of the keywor...
Boolean.hashCode()
...ite objects it's common to add the hash codes for the components. If too small values are used in a hash set with a large number of buckets there's a risk of ending up with an uneven distribution of objects.
Do collisions matter? Booleans just have two different values anyway?
Maps can contain bool...
Aggregate function in an SQL update query?
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Elegant, easy to implement...Where have you been all day??? I have been banging my head over it for more than an hour now :)
– Ange1
Jan 7 '16 at 19:43
1
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:after vs. ::after
...or ::first-letter, things that aren't elements in their own right.
Actually, better description here: http://bricss.net/post/10768584657/know-your-lingo-pseudo-class-vs-pseudo-element
Also here: http://www.evotech.net/blog/2007/05/after-v-after-what-is-double-colon-notation/
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Call to getLayoutInflater() in places not in activity
What does need to be imported or how can I call the Layout inflater in places other than activity?
6 Answers
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Git: Ignore tracked files
I have some tracked files in a repository which are automatically modified when building the code. I don't want to untrack them, I just don't want them to appear as modified and I don't want them to be staged when I git add.
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How to use conditional breakpoint in Eclipse?
...ed Aug 25 '11 at 17:03
Garrett HallGarrett Hall
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Redis cache vs using memory directly
...er, it also brings some interesting properties:
Redis can be accessed by all the processes of your applications, possibly running on several nodes (something local memory cannot achieve).
Redis memory storage is quite efficient, and done in a separate process. If the application runs on a platform...
Add subdomain to localhost URL
...sub.lvh.me:port
UPD
sub.localhost:port works at chrome. Firefox automatically adds www. at the beginning of entered domain that can cause problems with subdomains testing
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How do I convert from stringstream to string in C++?
...g string object.
1) Returns a copy of the underlying string as if by calling rdbuf()->str().
2) Replaces the contents of the underlying string as if by calling rdbuf()->str(new_str)...
Notes
The copy of the underlying string returned by str is a temporary object that will b...