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How do I join two lines in vi?
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If you want to join the selected lines (you are in visual mode), then just press gJ to join your lines with no spaces whatsoever.
This is described in greater detail on the vi/Vim Stack Exchange site.
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Where are the PostgreSQL logs on macOS?
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Just ask your database:
SELECT
*
FROM
pg_settings
WHERE
category IN( 'Reporting and Logging / Where to Log' , 'File Locations')
ORDER BY
category,
name;
In my case, it's in "/Library/PostgreSQL/8.4/data/pg_log"
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Detect the Enter key in a text input field
...re for for legacy browsers support)
// keyup is not compatible with Jquery select(), Keydown is.
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JPA getSingleResult() or null
...the query did not match any row or whether the query matched a row but the selected column contains null as its value. from: stackoverflow.com/a/12155901/1242321
– user1242321
Mar 16 '16 at 1:36
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How can I see what has changed in a file before committing to git?
...t add -p is a combination of staging, seeing the changes you can stage and selecting them one by one in an interactive manner. See Commit only part of a file in Git for more on git add -p.
– Angelos Asonitis
Apr 7 '19 at 12:50
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Eclipse: have the same file open in two editors?
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Right click on your editor tab and select "New Editor".
... unless you have a newer version of eclipse, in which case do Window -> New Editor.
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source command not found in sh shell
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$ls -l `which sh`
/bin/sh -> dash
$sudo dpkg-reconfigure dash #Select "no" when you're asked
[...]
$ls -l `which sh`
/bin/sh -> bash
Then it will be OK
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Error “library not found for” after putting application in AdMob
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Select your Target, go to "Build Phases" in "Link Binary With Libraries" remove ".a" file of that library.
Clean and Build.
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When to use MyISAM and InnoDB? [duplicate]
...l-text indexing. -- InnoDB has it now
Especially good for read-intensive (select) tables. -- Mostly no longer true.
Disk footprint is 2x-3x less than InnoDB's. -- As of Version 5.7, this is perhaps the only real advantage of MyISAM.
InnoDB:
The InnoDB storage engine in MySQL.
Support for tra...
How to center a (background) image within a div?
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The selected answer cause my whole background to disappear for some reason (to be fair I'm doing some jquery stuff that may be causing it?), but this answer works. Upvote.
– bwoogie
Jul 18 '...