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PHP Pass by reference in foreach [duplicate]
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After improving the output I was able to understand: $v gets the item [0](zero). $a[3] is now zero $v gets the item [1](one). $a[3] is now one $v gets the item [2](two). $a[3] is now two $v gets the item [3](two). $a[3] is now two
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Why can outer Java classes access inner class private members?
I observed that Outer classes can access inner classes private instance variables. How is this possible? Here is a sample code demonstrating the same:
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Given an array of numbers, return array of products of all other numbers (no division)
... You can do it in O(1) space. I mean, other than the size of the input and output containers of course.
– wilhelmtell
Apr 21 '10 at 6:36
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Purge or recreate a Ruby on Rails database
...:drop db:create db:migrate do two whole different things. The latter wipes out the whole app database, recreates it and then goes through every migration to update the schema (db/schema.rb or db/structure.sql), but does not fill it with seed data. The first instead is an alias for rake db:drop db:sc...
Constantly print Subprocess output while process is running
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You can use iter to process lines as soon as the command outputs them: lines = iter(fd.readline, ""). Here's a full example showing a typical use case (thanks to @jfs for helping out):
from __future__ import print_function # Only Python 2.x
import subprocess
def execute(cmd):
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Custom bullet symbol for elements in that is a regular character, and not an image
...do-selector that you and @Tieson T. both point to. I liked that you called out how the various attributes on <UL> work in concert to mimic bullet indentation.
– idStar
Oct 8 '11 at 21:08
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How to export query result to csv in Oracle SQL Developer?
I'm using Oracle SQL Developer 3.0. Trying to figure out how to export a query result to a text file (preferably CSV). Right clicking on the query results window doesn't give me any export options.
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Paging with Oracle
...ows, the sort order is applied and then each row is assigned a rownum. The outer select(s) use those row numbers to locate the 'page' you are looking for based on your pagesize.
– Brian Schmitt
Nov 20 '11 at 18:54
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How can I put a database under git (version control)?
... work with. Also, I am not sure that the database files stored on disk without VACUUM and shutting PostgreSQL down to make a copy are "stable" as in all of the data is always correct, thereby possibly leaving you with corrupt data.
– X-Istence
May 11 '09 at 4:2...
Can I get Memcached running on a Windows (x64) 64bit environment?
...eb-based admin/stats UI etc. (I'm not related to them in any way) Check it out at http://northscale.com/products/memcached.html and download at: http://www.northscale.com/download.php?a=d
UPDATE 2: NorthScale Memcached is no longer available as a standalone download. Now they have made it part of t...