大约有 2,340 项符合查询结果（耗时：0.0163秒） [XML]
Immutability of Strings in Java
...ove code does if you change s1 = s1.replace('i', '!'); to s1 = s1.replace('Q', '!'); :)
1 Actually, it is possible to mutate strings (and other immutable objects). It requires reflection and is very, very dangerous and should never ever be used unless you're actually interested in destroying the pr...
What is the difference between memoization and dynamic programming?
...amic programming?
Memoization is a term describing an optimization technique where you cache previously computed results, and return the cached result when the same computation is needed again.
Dynamic programming is a technique for solving problems of recursive nature, iteratively and is appli...
How to make connection to Postgres via Node.js
...e, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be, or how am I able to find out what it is.
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How to call Android contacts list?
...NTENT_URI);
Call startActivityForResult, passing in this Intent (and a request code integer, PICK_CONTACT in this example). This will cause Android to launch an Activity that's registered to support ACTION_PICK on the People.CONTENT_URI, then return to this Activity when the selection is made (or ...
How to permanently add a private key with ssh-add on Ubuntu? [closed]
...o simply:
nano ~/.ssh/config
...and enter the lines above as per your requirements.
For this to work the file needs to have chmod 600. You can use the command chmod 600 ~/.ssh/config.
If you want all users on the computer to use the key put these lines into /etc/ssh/ssh_config and the key in a ...
sometimes my file just freezes in my vi |vim, what happened?
... Michael mentioned, you can restore your screen to normal by entering Ctrl-Q.
Theoretically, setting stty -ixon should prevent Ctrl-S from freezing your screen, but it's not working on my local Solaris 10 login.
share
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How to serialize an object to XML without getting xmlns=“…”?
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Ahh... nevermind. It's always the search after the question is posed that yields the answer. My object that is being serialized is obj and has already been defined. Adding an XMLSerializerNamespace with a single empty namespace to the collection does the trick.
In VB like ...
How to check if object (variable) is defined in R?
... Might get a bit trickier if checking for list elements: stackoverflow.com/q/7719741
– TMS
Sep 20 '14 at 11:58
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Start ssh-agent on login
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Old question, but I did come across a similar situation. Don't think the above answer fully achieves what is needed. The missing piece is keychain; install it if it isn't already.
sudo apt-get install keychain
Then add the fol...
Make the current Git branch a master branch
...and it's trying to stop you), and if you do force it, then anyone who subsequently pulls will attempt to merge the old master and the new master, which will probably be a train wreck.
– Cascabel
Nov 15 '15 at 16:47
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