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rvm installation not working: “RVM is not a function”
...on, --auto had been deprecated in favour of --auto-dotfiles so the command now is rvm get stable --auto-dotfiles
– Mart Van de Ven
Nov 8 '13 at 3:56
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Separate REST JSON API server and client? [closed]
... A minor point to add: While I have only built option #1, I know multiple mobile app developers who are starting to use parse.com as their backend in order to enable a fast path to #2.
– Rhb123
Jun 8 '12 at 18:12
...
What should I do when 'svn cleanup' fails?
... everything to get pulled down).
Run a cleanup on this cancelled checkout.
Now we have a new .svn directory with a clean database (although no/few files)
Copy this .svn into your old, corrupted working directory.
Run svn update and it should bring your new partial .svn directory up to speed with you...
/etc/apt/sources.list" E212: Can't open file for writing
...udo vim FILE. Or if you don't want to leave your existing vim session (and now have proper sudo rights), you can issue:
:w !sudo tee % > /dev/null
Which will save the file.
HTH
share
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improv...
Difference between core and processor
...t the single CPU into two virtual CPUs i.e we have two cores for our task. Now the CPU is single, but it is only pretending (masqueraded) that it has a dual CPU and performs multiple tasks. But having real multiple cores will be better than that so people develop making multi-core processor i.e. mul...
In which scenario do I use a particular STL container?
...in my book on C++, specifically the section on the STL and its containers. Now I do understand each and every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of them is used.
...
grant remote access of MySQL database from any IP address
...ike this
......
.....
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
bind-address = 127.0.0.1
bind-address = 192.168.0.116
.....
......
you can remove th localhost(127.0.0.1) binding if...
Adding n hours to a date in Java?
... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 & Java 9. See Tutorial by Oracle.
– Basil Bourque
Mar 25 '18 at 18:48
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Android SQLite DB When to Close
...a SQLite database on android. My database manager is a singleton and right now opens a connection to the database when it is initialized. It is safe to leave the database open the entire time so that when someone calls my class to work with the database it is already open? Or should I open and close...
Difference between pre-increment and post-increment in a loop?
...
a++ is known as postfix.
add 1 to a, returns the old value.
++a is known as prefix.
add 1 to a, returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(++...