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Sorting an array of objects in Ruby by object attribute?
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Any idea how this compares with sort! (e.g. speed, etc.)?
– Joshua Pinter
Jul 11 '15 at 0:32
E...
How to set default value for form field in Symfony2?
... I created a service which generated all the forms, did all the processing etc. This was because the forms were to be used across multiple controllers in multiple environments and whilst the forms were generated / handled in the same way, they were displayed / interacted with differently (e.g. error...
How to check what user php is running as?
... Very clever cross platform solution. Boh!
– Matt Fletcher
May 23 '14 at 15:51
3
Nice: the only ...
Why does Python code use len() function instead of a length method?
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len, str, etc. can be used with higher-order functions like map, reduce, and filter without the need to define a function or lambda just to call a method. Not everything revolves around OOP, even in Python.
– Evic...
Find an element in DOM based on an attribute value
...he value isn't a valid CSS identifier (it has spaces or punctuation in it, etc.), you need quotes around the value (they can be single or double):
$("[myAttribute='my value']")
You can also do start-with, ends-with, contains, etc...there are several options for the attribute selector.
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S3 Error: The difference between the request time and the current time is too large
...ou get a message saying the NTP socket is still in use, stop it with sudo /etc/init.d/ntp stop and re-run your command.
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Are there conventions on how to name resources?
... how to name resources in Android? For example, buttons, textViews, menus, etc.
15 Answers
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Error to run Android Studio
...javac 1.8.0_91
Finally, add JAVA_HOME to the environment variable
Edit /etc/environment and add JAVA_HOME=/usr/lib/jvm/java-8-oracle to the end of the file
sudo nano /etc/environment
Append to the end of the file
JAVA_HOME=/usr/lib/jvm/java-8-oracle
You will then have to reboot, you can do ...
Simulate limited bandwidth from within Chrome?
... the along the top you have the search icon, phone icon, Elements, Network etc. Click the phone icon and then choose Emulation in the bottom panel, network emulation options are in that panel
– Andy Davies
Jul 18 '14 at 21:33
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start MySQL server from command line on Mac OS Lion
...rt-files/mysql.server stop
On Linux start/stop from the command line:
/etc/init.d/mysqld start
/etc/init.d/mysqld stop
/etc/init.d/mysqld restart
Some Linux flavours offer the service command too
# service mysqld start
# service mysqld stop
# service mysqld restart
or
# service mysql...