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Illegal pattern character 'T' when parsing a date string to java.util.Date
...s as what the format represents.
But it was written before Java 8 was ubiquitous so it uses the old
classes that you should not be using if you are using Java 8 or
higher.
This works with the input with the trailing Z as demonstrated:
In the pattern the T is escaped with ' on either side...
Responsive website zoomed out to full width on mobile
...s suggested here http://webdesign.tutsplus.com/tutorials/htmlcss-tutorials/quick-tip-dont-forget-the-viewport-meta-tag/
<meta name="viewport" content="initial-scale=1">
would be an even better choice as it makes going from portrait to landscape and back a much more pleasant user experience ...
Detect if homebrew package is installed
... pkg in macvim ngrep other needed packages; do
if brew list -1 | grep -q "^${pkg}\$"; then
echo "Package '$pkg' is installed"
else
echo "Package '$pkg' is not installed"
fi
done
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What's better at freeing memory with PHP: unset() or $var = null
...ry be freed when the parent object is garbage-collected.) (bug 33595)
The question "difference between unset and = null" details some differences:
unset($a) also removes $a from the symbol table; for example:
$a = str_repeat('hello world ', 100);
unset($a);
var_dump($a);
Outputs:
Notice: Undef...
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.
...
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.
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