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What does @@variable mean in Ruby?
... preceded with an at sign is that it is an instance variable, like this in PHP:
5 Answers
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...tor 2 中文网VIP会员免费享有基础版技术支持服务，有任何问题都可以在线及时得到解决，是创客学习App Inventor 2 必备之利器，欢迎体验！
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Executing JavaScript without a browser?
...ac OS X command line, much like we run any other scripting language (ruby, php, perl, python...)
13 Answers
...
What to do Regular expression pattern doesn't match anywhere in string?
...s and filter which ones are hidden with getAttribute.
I prefer #2.
<?php
$d = new DOMDocument();
$d->loadHTML(
'
<p>fsdjl</p>
<form><div>fdsjl</div></form>
<input type="hidden" name="blah" value="hide yo kids">
<input type="t...
Does java.util.List.isEmpty() check if the list itself is null? [duplicate]
...I deleted my stupid comment, before I saw your answer. Maybe he comes from PHP where we have !empty($foo) as somewhat an alias for isset($foo) && $foo != "".
– Aufziehvogel
Jul 16 '12 at 20:39
...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...
This: http://archives.postgresql.org/pgsql-bugs/2007-10/msg00234.php is also a nice and fast solution, and works for multiple schemas in one database:
Tables
SELECT 'ALTER TABLE '|| schemaname || '.' || tablename ||' OWNER TO my_new_owner;'
FROM pg_tables WHERE NOT schemaname IN ('pg_cat...
Relational table naming convention [closed]
...with Standard-compliant Addresses
Simple inter-office Bulletin system for PHP/MyNonSQL
Sensor Monitoring with full Temporal capability
Answers to Questions
That cannot be reasonably answered in the comment space.
Larry Lustig:
... even the most trivial example shows ...
If a Customer has...
What is a “web service” in plain English?
... programs over the web (HTTP).
For example, when you create a website in PHP that outputs HTML, its target is the browser and by extension the human reading the page in the browser. A web service is not targeted at humans but rather at other programs.
So your PHP site that generates a random inte...
How to create a cron job using Bash automatically without the interactive editor?
...r what I found here and elsewhere I came up with this:
The Code
command="php $INSTALL/indefero/scripts/gitcron.php"
job="0 0 * * 0 $command"
cat <(fgrep -i -v "$command" <(crontab -l)) <(echo "$job") | crontab -
I couldn't figure out how to eliminate the need for the two variables witho...
How to cancel a local git commit
...low response.
Unstaged changes after reset:
M application/config/config.php
M application/config/database.php
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