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Why is there no tuple comprehension in Python?
...cause there isn't a clean syntax for it (or at least nobody has thought of one)
– mgilson
Jun 5 '13 at 13:00
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How can I drop all the tables in a PostgreSQL database?
...he scope of deletion to only the database you managed and not the system's ones
– Guillaume Gendre
Oct 29 '12 at 16:36
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What is the use of hashCode in Java?
... bucket.. then it uses the equals() to evaluate", so what if there is only one hash code matched element found, it returns true directly? but since multiple objects can have the same hash code so it has to run equals() to evaluate if the matched element is equal, else it may give you the unexpected ...
Export specific rows from a PostgreSQL table as INSERT SQL script
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Alright, so far your solution works. One thing missed is I need to add "-U user_name". I also almost succeed with ToraSQL tool, it's just that it has error in date-time data in the script result. If none can give GUI tool solution in 2 days, your answer will be ...
What does “dereferencing” a pointer mean?
...he pointer
To refer to the characters p points to, we dereference p using one of these notations (again, for C):
assert(*p == 'a'); // The first character at address p will be 'a'
assert(p[1] == 'b'); // p[1] actually dereferences a pointer created by adding
// p and 1 times ...
Artificially create a connection timeout error
...e to hit other servers for your testing. Use a civilized solution like the one emu mentioned below, by hitting a non-routable IP address like 10.255.255.1, or setup a virtual server of your own for testing purposes.
– zeeshan
Apr 9 '15 at 15:19
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INSERT INTO vs SELECT INTO
...p to 200 bytes. If you do SELECT INTO from your small table to make a new one, the later INSERT will fail with a truncation error because your fields are too small.
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What is “thread local storage” in Python, and why do I need it?
...reads can access (like a global variable) then all threads can access that one Thread object. If you want to atomically modify anything that another thread has access to, you have to protect it with a lock. And all threads must of course share this very same lock, or it wouldn't be very effective.
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What exactly is Java EE?
...tions of Java EE?
No, as said, EJB is part of Java EE. Spring is a standalone framework which substitutes and improves many parts of Java EE. Spring doesn't necessarily require Java EE to run. A bare-bones servlet container like Tomcat is already sufficient. Simply put, Spring is a competitor of Ja...
How to format a UTC date as a `YYYY-MM-DD hh:mm:ss` string using NodeJS?
...// delete the dot and everything after
> '2012-11-04 14:55:45'
Or, in one line: new Date().toISOString().replace(/T/, ' ').replace(/\..+/, '')
ISO8601 is necessarily UTC (also indicated by the trailing Z on the first result), so you get UTC by default (always a good thing).
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