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Map to String in Java
... @VictorDombrovsky Any half-decent IDE (e.g. IntelliJ, Eclipse, etc.) should be able to track down the actual implementation of a method defined in an interface.
– wheeler
Mar 14 '17 at 14:03
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Doctrine - How to print out the real sql, not just the prepared statement?
...gt;getSql(); works
Edit:
to view all the mysql queries I use
sudo vim /etc/mysql/my.cnf
and add those 2 lines:
general_log = on
general_log_file = /tmp/mysql.log
and restart mysql
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Django, creating a custom 500/404 error page
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Using Django 1.9 and simply adding 500.html etc templates shows them instead of standard pages. Nice easy fix.
– curtisp
Sep 12 '16 at 15:29
2
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back button callback in navigationController in iOS
... raise an UIAlertView to confirm the action, then pop the view controller, etc.
Or instead of creating a new backbutton, you can conform to the UINavigationController delegate methods to do actions when the back button is pressed.
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How can I convert an image into Base64 string using JavaScript?
...)
})
This code example could also be implemented using the WHATWG fetch API:
const toDataURL = url => fetch(url)
.then(response => response.blob())
.then(blob => new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onloadend = () => re...
How To fix white screen on app Start up?
....xml and avoid to customise in your onCreate as ActionBar.setIcon/setTitle/etc.
See also the Documentation on Performance Tips by Google.
Use Trace View and Hierarchy Viewer to see the time to display your Views: Android Performance Optimization / Performance Tuning On Android
Use AsyncTask t...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...f your index is a MultiIndex, reset_index() adds columns level_0, level_1, etc. And if your index has a name that name will be used in place of the "index" label. That makes this a bit more than a one-liner to do it right for any DataFrame. index_label = getattr(df.index, 'names', getattr(df.index, ...
How do I run Redis on Windows?
...tional instances, use different paths than I specified in steps 2 & 3, etc. You will not need to restart the service for changes to take effect.
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Understanding the basics of Git and GitHub [closed]
...-Nejad I use github as a backup, not for collaboration. If there's a fire/etc code is safe.
– Thufir
Aug 9 '12 at 6:02
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How to dynamically load a Python class
... yes, you can do locate('my_package.my_module.MyClass.attr.method.etc')
– chadrik
May 23 '18 at 23:19
actuall...