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How to filter SQL results in a has-many-through relation
...NDEX sc_club_id_idx ON student_club (club_id);
club_pkey is not required by most queries here.
Primary keys implement unique indexes automatically In PostgreSQL.
The last index is to make up for this known shortcoming of multi-column indexes on PostgreSQL:
A multicolumn B-tree index can be us...
Android Studio IDE: Break on Exception
It seems my Android Studio does not want to break on any exception by default. Enabling break on "Any Exception" starts breaking within actual JDE libraries. Is there any way to force it to break only on exceptions within my code only?
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How to re-open an issue in github?
...sues if you closed them yourself
you cannot close or re-open issues opened by someone else
you cannot re-open your own issues if a repo collaborator closed them
The situation you report falls in the last case, so you cannot reopen it. You can ask in the issue thread if a repo collaborator can reop...
How do iOS Push Notifications work?
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@Mugen: Device token is used by APNS to identify which device it is supposed to forward the payload sent by provider!
– D4ttatraya
Jan 6 '17 at 13:24
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Filter by process/PID in Wireshark
...xperimental build that does this, as described on the mailing list, Filter by local process name
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demystify Flask app.secret_key
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Anything that requires encryption (for safe-keeping against tampering by attackers) requires the secret key to be set. For just Flask itself, that 'anything' is the Session object, but other extensions can make use of the same secret.
secret_key is merely the value set for the SECRET_KEY confi...
“Single-page” JS websites and SEO
...ngle-page" JavaScript websites nowadays. In my opinion, this is done right by letting the server act as an API (and nothing more) and letting the client handle all of the HTML generation stuff. The problem with this "pattern" is the lack of search engine support. I can think of two solutions:
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Query to list number of records in each table in a database
...IKE 'dt%' AND
i.OBJECT_ID > 255 AND
i.index_id <= 1
GROUP BY
t.NAME, i.object_id, i.index_id, i.name, p.[Rows]
ORDER BY
object_name(i.object_id)
In my opinion, it's easier to handle than the sp_msforeachtable output.
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git push says “everything up-to-date” even though I have local changes
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Are you working with a detached head by any chance?
As in:
indicating that your latest commit is not a branch head.
Warning: the following does a git reset --hard: make sure to use git stash first if you want to save your currently modified files.
$ git l...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...d in source files that allows these items to be quickly and easily located by a text editor or other utility. A tag signifies a language object for which an index entry is available (or, alternatively, the index entry created for that object). The tags generated by ctags are richer in terms of metad...