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Removing whitespace from strings in Java
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st.replaceAll("\\s+","") removes all whitespaces and non-visible characters (e.g., tab, \n).
st.replaceAll("\\s+","") and st.replaceAll("\\s","") produce the same result.
The second regex is 20% faster than the first one, but as th...
npm throws error without sudo
I just installed node and npm through the package on nodejs.org and whenever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin.
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Difference between repository and service?
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A Repository is essentially a facade for persistence that uses Collection style semantics (Add, Update, Remove) to supply access to data/objects. It is a way of decoupling the way you store data/objects from the rest of the application.
A service ...
how to remove untracked files in Git?
...y files, that you havn't thought of at first. Please double check and read all the comments below this answer and the --help section, etc., so to know all details to fine-tune your commands and surely get the expected result.
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Can't find a “not equal” css attribute selector
...r is that it will also select elements that do not have a foo attribute at all. Consider:
<div>No foo</div>
<div foo="">Empty foo</div>
<div foo="x">XXX</div>
<div foo="y">YYY</div>
<div foo="z">ZZZ</div>
div:not([foo='']) will select bot...
What was the strangest coding standard rule that you were forced to follow? [closed]
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What is the supposed point of this rule? Personally I'd fail a code review for code that could be made easier to read by putting in another return.
– Mark Baker
Oct 20 '08 at 15:31
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in javascript, how can i get the last character in a string [duplicate]
...rt of the core JavaScript language and may be removed in the future. If at all possible, use the substring() method instead. - From MDN
– Ajeet Shah
May 30 at 21:52
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Make a program run slowly
...er the priority using nice (and/or renice). You can also do it programmatically using nice() system call. This will not slow down the execution speed per se, but will make Linux scheduler allocate less (and possibly shorter) execution time frames, preempt more often, etc. See Process Scheduling (Cha...
Why do we have map, fmap and liftM?
Why do we have three different functions that do essentially the same thing?
1 Answer
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How to set a Default Route (To an Area) in MVC
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This one interested me, and I finally had a chance to look into it. Other folks apparently haven't understood that this is an issue with finding the view, not an issue with the routing itself - and that's probably because your question title indicates that ...