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Java Runtime.getRuntime(): getting output from executing a command line program
...eDelimiter("\\A")) {
result = s.hasNext() ? s.next() : null;
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
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How do I restart nginx only after the configuration test was successful on Ubuntu?
...n send the HUP signal to nginx master process PID like this:
kill -HUP $( cat /var/run/nginx.pid )
The command above reads the nginx PID from /var/run/nginx.pid. By default nginx pid is written to /usr/local/nginx/logs/nginx.pid but that can be overridden in config. Check your nginx.config to see...
How to create dictionary and add key–value pairs dynamically?
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I am using JSON.stringify on this object and then catching it with a controller in MVC 3. This is just so that it is formatted properly before stringifying it and sending it along.
– KenEucker
Aug 25 '11 at 21:09
...
Convert MySql DateTime stamp into JavaScript's Date format
...
#MySQL
select date_format(my_date_column,'%Y-%m-%dT%T') from my_table;
#PHP
$php_date_str = substr($mysql_date_str,0,10).'T'.substr($mysql_date_str,11,8);
//JavaScript
js_date_str = mysql_date_str.substr(0,10)+'T'+mysql_date_str.substr(11,8);
...
MySQL “WITH” clause
... a feature request for MySQL since January 2006: http://bugs.mysql.com/bug.php?id=16244
Other RDBMS products that support common table expressions:
Oracle 9i release 2 and later:
http://www.oracle-base.com/articles/misc/with-clause.php
Microsoft SQL Server 2005 and later:
http://msdn.microsoft.com/...
How can I remove specific rules from iptables?
...oblems looks this way:
1. Add temporary rule with some comment:
comment=$(cat /proc/sys/kernel/random/uuid | sed 's/\-//g')
iptables -A ..... -m comment --comment "${comment}" -j REQUIRED_ACTION
2. When the rule added and you wish to remove it (or everything with this comment), do:
iptables-save...
Check orientation on Android phone
...gravity sensor to figure out orientation properly.
– Cat
Aug 21 '14 at 23:08
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How can I simulate an anchor click via jquery?
...n" type="button" value="Click me">
<a id="thickboxId" href="myScript.php" class="thickbox" title="">Link</a>
Edit:
If you're trying to simulate a user physically clicking the link, then I don't believe that is possible. A workaround would be to update the button's click event to chan...
PG undefinedtable error relation users does not exist
...d to be passed. Otherwise, you shall to prepare the database (this is deprecated in Rails 4):
rake db:test:prepare
and then (if it is actually required):
RAILS_ENV=test rake db:seed
On newer versions of Rails the error ActiveRecord::NoEnvironmentInSchemaError may be risen, so just prepend the ...
“where 1=1” statement [duplicate]
... condition is generated dynamically.
for example lets see this code
<?php
//not that this is just example
//do not use it like that in real environment because it security issue.
$cond = $_REQUEST['cond'];
if ($cond == "age"){
$wherecond = " age > 18";
}
$query = "select * from som...