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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...
Why is there no String.Empty in Java?
...would save on compile time, in fact I think it would be the latter.
Especially considering Strings are immutable, it's not like you can first get an empty String, and perform some operations on it - best to use a StringBuilder (or StringBuffer if you want to be thread-safe) and turn that into a Str...
Persistent invalid graphics state error when using ggplot2
...cs and it didn't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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Surrogate vs. natural/business keys [closed]
...er question is what to use for a logical primary key. They are both essentially just non-null unique index constraints.
– dkretz
Feb 12 '09 at 22:11
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How to determine when a Git branch was created?
... master`
If you’d rather see it in context using gitk, then use
gitk --all --select-commit=`git merge-base foo master`
(where foo is the name of the branch you are looking for.)
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keep rsync from removing unfinished source files
...nt to move the files from speed to mass after they're done downloading. Ideally, I'd just run:
4 Answers
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git push fails: RPC failed; result=22, HTTP code = 411
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You can also do this globally -
git config --global http.postBuffer 524288000
That will allow all local repos to push up to 500MB of data.
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Are Exceptions in C++ really slow
...r
The cost, however, is not trivial to measure:
The side-table is generally cold, and thus fetching it from memory takes a long time
Determining the right handler involves RTTI: many RTTI descriptors to fetch, scattered around memory, and complex operations to run (basically a dynamic_cast test ...
jQuery add required to input fields
I have been searching ways to have jQuery automatically write required using html5 validation to my all of my input fields but I am having trouble telling it where to write it.
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How do I create an array of strings in C?
...ar *a[2];
a[0] = "blah";
a[1] = "hmm";
When you do it like this you will allocate an array of two pointers to const char. These pointers will then be set to the addresses of the static strings "blah" and "hmm".
If you do want to be able to change the actual string content, the you have to do some...