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Mongoose's find method with $or condition does not work properly
Recently I start using MongoDB with Mongoose on Nodejs.
4 Answers
4
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
After this comment to one of my question, I'm thinking if it is better using one database with X schemas or vice versa.
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MySQL - why not index every field?
...he wonder of indexes, and performance has improved dramatically. However, with all I've learned, I can't seem to find the answer to this question.
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What is the official “preferred” way to install pip and virtualenv systemwide?
Is it this, which people seem to recommend most often:
16 Answers
16
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PSQLException: current transaction is aborted, commands ignored until end of transaction block
...ne of your SQL Queries failed, and you gobbled up that failure and ignored it. But that wasn't enough, THEN you used that same connection, using the SAME TRANSACTION to run another query. The exception gets thrown on the second, correctly formed query because you are using a broken transaction to ...
Insert into … values ( SELECT … FROM … )
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FROM table2
This is standard ANSI SQL and should work on any DBMS
It definitely works for:
Oracle
MS SQL Server
MySQL
Postgres
SQLite v3
Teradata
DB2
Sybase
Vertica
HSQLDB
H2
AWS RedShift
SAP HANA
sha...
How may I sort a list alphabetically using jQuery?
I'm a bit out of my depth here and I'm hoping this is actually possible.
10 Answers
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How to add 30 minutes to a JavaScript Date object?
...te object which is 30 minutes later than another Date object. How do I do it with JavaScript?
19 Answers
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How can I programmatically create a new cron job?
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It's always worked well for me.
You should consider a slightly more sophisticated script that can do three things.
Append a crontab line; assuring that it didn't exist. Adding when it already exists is bad.
Remove the cro...
How to wrap text using CSS? [duplicate]
...follow
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edited Nov 19 '17 at 10:55
Ben Kalsky
951313 bronze badges
answered Oct 16 '10 a...