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What is a “context bound” in Scala?
...les about manifests as "T has a Manifest". The example you linked to about Ordered vs Ordering illustrates the difference. A method
def example[T <% Ordered[T]](param: T)
says that the parameter can be seen as an Ordered. Compare with
def example[T : Ordering](param: T)
which says that the ...
Iterating over all the keys of a map
...
As a possible gotcha, note that the order of the iteration is undefined. groups.google.com/d/msg/golang-nuts/YfDxpkI34hY/4pktJI2ytusJ
– mna
Sep 22 '12 at 2:18
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How to pass anonymous types as parameters?
...passed around, a more structured way may / should normally be preferred in order to not introduce hard to find bugs (you're sidestepping the type system). However, if you want to find a compromise, another way is to simply pass a generic Dictionary. C# dictionary initializers are pretty convenient t...
How to change the docker image installation directory?
...ou would set the value of the data-root parameter to your custom path, in /etc/docker/daemon.json
(according to https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file).
With older versions, you can change Docker's storage base directory (where container and images g...
How to stop and restart memcached server?
...
Using root, try something like this:
/etc/init.d/memcached restart
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How to run multiple .BAT files within a .BAT file
...iles, you could also use for to do this (it does not guarantee the correct order of batch file calls; it follows the order of the file system):
FOR %x IN (*.bat) DO call "%x"
You can also react on errorlevels after a call. Use:
exit /B 1 # Or any other integer value in 0..255
to give back an...
What would cause an algorithm to have O(log n) complexity?
...s assume you have, say, a list of N elements that are sorted in increasing order. You want to find out if some given number exists in that list. One way to do that which is not a binary search is to just scan each element of the list and see if it's your target number. You might get lucky and fin...
Is it possible to run one logrotate check manually?
...e(s) even if they do not meet the specified criteria such as minsize, age, etc.
– xofer
Jun 5 '13 at 21:28
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Purpose of Django setting ‘SECRET_KEY’
...ject_pk, timestamp, settings.SECRET_KEY)
contrib/formtools/utils.py:15: order, pickles the result with the SECRET_KEY setting, then takes an md5
contrib/formtools/utils.py:32: data.append(settings.SECRET_KEY)
contrib/messages/storage/cookie.py:112: SECRET_KEY, modified to make it unique...
How to allow remote connection to mysql
...owing line and comment it out in your my.cnf file, which usually lives on /etc/mysql/my.cnf on Unix/OSX systems. In some cases the location for the file is /etc/mysql/mysql.conf.d/mysqld.cnf).
If it's a Windows system, you can find it in the MySQL installation directory, usually something like C:\P...