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Appending an element to the end of a list in Scala
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@pisaruk if that was the case, one could just maintain a pointer to the head and the tail. However, the list in scala is immutable, meaning that to "modify" the last element of the list one needs to make a copy of it first. Its the copy that is O(n) - no...
Opening port 80 EC2 Amazon web services [closed]
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I have already done this too, and it still doesn't work.
– coolcool1994
Aug 8 '13 at 12:06
6
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Why does `a == b or c or d` always evaluate to True?
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In many cases, Python looks and behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" and "Inbar" are objects joined to the verb "equals", but the Python interpreter is more literal minded.
if name == "Kevin" or "Jon" o...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
...g a CSV file with comma separated values, Excel will render rows only with one row and all of the text along with the commas in the first row.
The way to avoid this is to use tabs as your separated value.
I used this function from the PHP comments (using tabs "\t" instead of commas) and it worked ...
Grep only the first match and stop
...hoping to only return the first match. Unfortunately, it returns more than one -- in-fact two the last time I looked. It seems like I have too many arguments, especially without getting the desired outcome. :-/
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How to print a query string with parameter values when using Hibernate
... in place rather than the most popular answer here which does not do this. One major convenience of this is that you can copy the SQL straight to your DB front-end and execute as is.
http://log4jdbc.sourceforge.net/
https://code.google.com/p/log4jdbc-remix/
The latter also outputs a tabular repre...
Eager load polymorphic
...s necessary is that ActiveRecord cannot build a join based on reviewable alone, since multiple tables represent the other end of the join, and SQL, as far as I know, does not allow you join a table named by the value stored in a column. By defining the extra relationship belongs_to :shop, you are g...
Can you disable tabs in Bootstrap?
...d" works as expected .nav.nav-tabs > li.disabled { pointer-events: none; a { color: silver; } }
– effe
Jun 19 '15 at 22:10
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How to get current date & time in MySQL?
...ncy and indexing / search / comparison performance.
UNIX_TIMESTAMP()
One can always convert to human readable formats afterwards, internationalizing as is individually most convenient.
FROM_ UNIXTIME (unix_timestamp, [format ])
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SQL Server SELECT into existing table
I am trying to select some fields from one table and insert them into an existing table from a stored procedure. Here is what I am trying:
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