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Unknown column in 'field list' error on MySQL Update query
..._user_profile.fellow = 'y'
WHERE
master_user_profile.user_id IN (
SELECT tran_user_branch.user_id
FROM tran_user_branch WHERE tran_user_branch.branch_id = 17);
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Manual deployment vs. Amazon Elastic Beanstalk
...true Platform as a Service (PAAS), the goal is to separate the application from the platform. As a developer, you only worry about your application. The platform is "rented" to you. The platform "instances" are automatically updated, administered, scaled, balanced, etc. for you. You just upload your...
Single script to run in both Windows batch and Linux Bash?
...se, we make sure that our heredoc’s delimiter is both quoted (to stop sh from doing any sort of interpretation on its contents when running with sh) and starts with : so that cmd skips over it like any other line starting with :.
:; echo "I am ${SHELL}"
:<<"::CMDLITERAL"
ECHO I am %COMSPEC%...
How do I copy items from list to list without foreach?
...single property to another list is needed:
targetList.AddRange(sourceList.Select(i => i.NeededProperty));
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SQL UPDATE all values in a field with appended string CONCAT not working
...
That's pretty much all you need:
mysql> select * from t;
+------+-------+
| id | data |
+------+-------+
| 1 | max |
| 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');...
How to change Android version and code version number?
...Ctrl+Alt+Shift+S in android studio or go to File > Project Structure...
Select app on left side and select falvors tab on right side on default config change version code , name and etc...
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Is #pragma once part of the C++11 standard?
...
If your code includes some file from different locations through symbolic links or weird mounts then it is already not portable. Therefore arguing that pragma once can not portably implement something that is inherently not portable (and shouldn't be even c...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...56 IP addresses (2 hosts up) scanned in 2.71 seconds
Login to your RPi from your laptop (-Y with X-forwarding)
$ssh -Y pi@10.42.0.96
Lo and behold! Now your RPi is connected to your laptop and RPi can share the WiFi connection.
pi@raspberrypi ~ $
Share display & keyboard of your laptop...
How to add “on delete cascade” constraints?
...hy until you see "Constraints"), or you can query the information schema.
select *
from information_schema.key_column_usage
where position_in_unique_constraint is not null
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Emacs bulk indent for Python
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I use the following snippet. On tab when the selection is inactive, it indents the current line (as it normally does); when the selection is inactive, it indents the whole region to the right.
(defun my-python-tab-command (&optional _)
"If the region is active, s...