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What's the difference between detaching a Fragment and removing it?
...ed, its onPause, onStop and onDestroyView methods are called only (in that order). On the other hand, when a Fragment is removed, its onPause, onStop, onDestroyView, onDestroy and onDetach methods are called (in that order). Similarly, when attaching, the Fragment's onCreateView, onStart and onResum...
What is the point of a private pure virtual function?
...lass. That is the OOP rules and it applies on all language that is OOP. In order for a derived class to implement its base class private virtual method, it has to be a friend of the base class. Qt has taken the same approach when they implemented their XML DOM document model.
–...
Make a program run slowly
...ate less (and possibly shorter) execution time frames, preempt more often, etc. See Process Scheduling (Chapter 10) of Understanding the Linux Kernel for more details on scheduling.
You may want to increase the timer interrupt frequency to put more load on the kernel, which will in turn slow everyth...
Reverse / invert a dictionary mapping
...
Fun Fact: Dictionaries will be ordered (by time of insertion) in Python 3.7 onwards.
– byxor
Jun 12 '18 at 20:18
...
What is cURL in PHP?
...bout it (and most other extensions) can be found in the PHP manual.
In order to use PHP's cURL functions
you need to install the » libcurl
package. PHP requires that you use
libcurl 7.0.2-beta or higher. In PHP
4.2.3, you will need libcurl version 7.9.0 or higher. From PHP 4.3.0, you wi...
JavaScript function order: why does it matter?
...functions are called until the whole thing has downloaded. So why does the order functions appear in my code matter?
4 Answ...
How to make node.js require absolute? (instead of relative)
...uch as require('xyz') from /beep/boop/foo.js, node searches these paths in order, stopping at the first match and raising an error if nothing is found:
/beep/boop/node_modules/xyz
/beep/node_modules/xyz
/node_modules/xyz
For each xyz directory that exists, node will first look for a xyz/package.j...
Why is there “data” and “newtype” in Haskell? [duplicate]
...e multiple value constructors (even
though CoolBool only has one). So in order to see if the value given
to our function conforms to the (CoolBool _) pattern, Haskell has to
evaluate the value just enough to see which value constructor was used
when we made the value. And when we try to eval...
How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
...essages when AppArmor blocks the writes/accesses. What you can do is edit /etc/apparmor.d/usr.sbin.mysqld and add /data/ and /data/* near the bottom like so:
...
/usr/sbin/mysqld {
...
/var/log/mysql/ r,
/var/log/mysql/* rw,
/var/run/mysqld/mysqld.pid w,
/var/run/my...
how to log in to mysql and query the database from linux terminal
...ce mysqld stop
Other distros require to call the init script directly:
/etc/init.d/mysqld stop
3. How I start the mysql server from linux terminal?
Same as #2, but with start.
4. How do I get mysql prompt in linux terminal?
Same as #1.
5. How do I login to mysql server from linux terminal?
...