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Convert Time from one time zone to another in Rails
...built into Rails, but is not part of the Ruby stdlib. If you have a rails app, no problem. If you have a straight Ruby app you'll need to be sure to require active support.
– Gayle
Jan 8 '13 at 15:58
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Fastest way to serialize and deserialize .NET objects
...sing the available libraries. Most people should concentrate on what their app needs, not this minutae.
– Marc Gravell♦
Jun 1 at 12:35
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s...
How to track untracked content?
...epository (no submodules). The third-party git subtree command is a nice wrapper around the subtree merge functionality.
git rm --cached vendor/plugins/open_flash_chart_2
git commit -m'converting to subtree; please stand by'
mv vendor/plugins/open_flash_chart_2 ../ofc2.local
git subtree add --prefi...
Is Java really slow?
...ages (if they use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to blame, far more than the language. Also, blame anything 'enterprise.'
In fairness to the "Java is slow" crowd, here are areas where it is still slow (updated for ...
Is there a way of having git show lines added, lines changed and lines removed?
...he -m option is for showing the number of modified lines.
Sample output:
app/controllers/application_controller.rb | 30 -------------------!!!
1 files changed, 0 insertions(+), 26 deletions(-), 4 modifications(!)
The count for the number of lines modified is approximate, as man diffstat says:...
Change Activity's theme programmatically
... I use shared preference to save theme but when restarting the app, for a moment the first theme appears then the second theme shown!
– Mohammad Afrashteh
Jun 6 '18 at 5:17
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How to implement a confirmation (yes/no) DialogPreference?
...
use import android.support.v7.app.AlertDialog; for a better look without a theme
– majurageerthan
May 15 '19 at 6:38
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What is non-blocking or asynchronous I/O in Node.js?
...chronous execution refers to execution that doesn't run in the sequence it appears in the code. In the following example, the synchronous operation causes the alerts to fire in sequence. In the async operation, while alert(2) appears to execute second, it doesn't.
Synchronous: 1,2,3
alert(1);
...
Why is IntelliJ 13 IDEA so slow after upgrading from version 12?
...restart it was much faster.
For IntelliJ 2020 going back to 2017 on Mac
/Applications/IntelliJ IDEA.app/Contents/bin/idea.vmoptions
On a Mac, this file is located in this path:
For IntelliJ 14 or 15 on Mac
/Applications/IntelliJ IDEA 14.app/Contents/bin/idea.vmoptions
For IntelliJ 13 on Mac
/U...
SSH to Elastic Beanstalk instance
...22 | 192.168.1.1/32
Configure the environment of your Elastic Beanstalk Application
If you haven't made a key pair yet, make one by clicking Key Pairs below Security Group in the ec2 tab.
In the AWS console, open the Elastic Beanstalk tab.
Select the relevant region.
Select relevant Environment...