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How to read values from properties file?
...nswer that was also great help for me to understand how it worked : http://www.javacodegeeks.com/2013/07/spring-bean-and-propertyplaceholderconfigurer.html
any BeanFactoryPostProcessor beans have to be declared with a static, modifier
@Configuration
@PropertySource("classpath:root/test.props")...
How and when to use ‘async’ and ‘await’
...context of the original thread that it was running on. For example, in ASP.NET you have an HttpContext which is tied to a thread when a request comes in. This context contains things specific to the original Http request such as the original Request object which has things like language, IP address,...
RegEx to find two or more consecutive chars
...z] instead of the [a-zA-Z] to get small and upper case alpha chars
http://www.w3schools.com/jsref/jsref_obj_regexp.asp
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Meaning of $? (dollar question mark) in shell scripts
...special variables like this, as you can see on this online manual: https://www.gnu.org/s/bash/manual/bash.html#Special-Parameters
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How can I prevent SQL injection in PHP?
...e are a lot of systems under PHP 5.5.0 and that may use this function. php.net/manual/en/function.mysql-query.php
– Randall Valenciano
Jan 19 '16 at 17:40
14
...
Android YouTube app Play Video Intent
...bIntent = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.youtube.com/watch?v=" + id));
try {
context.startActivity(appIntent);
} catch (ActivityNotFoundException ex) {
context.startActivity(webIntent);
}
}
Note: Beware when you are using this met...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
..., this is one of the best summaries I've seen put together to date: http://www.vertabelo.com/blog/technical-articles/sql-joins
But back to this question - here are the results for the setdiff() code when using the OP's data:
> a1
a b
1 1 a
2 2 b
3 3 c
4 4 d
5 5 e
> a2
a b
1 1 a
2 2 b
3 ...
Get path of executable
...In this case using the predefined OS macros detailed at predef.sourceforge.net/preos.html to select the method is straightforward.
– Clifford
Oct 7 '09 at 15:02
5
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Margin while printing html page
...html body element, which is normally controlled by the browser. See http://www.w3.org/TR/1998/REC-CSS2-19980512/page.html.
This currently works in all major browsers except Safari.
In Internet explorer, the margin is actually set to this value in the settings for this printing, and if you do Previe...
send/post xml file using curl command line
...rl to pass the data to the
server using the content-type
application/x-www-form-urlencoded.
Compare to -F/--form.
-d/--data is the same as --data-ascii. To post data purely binary, you should
instead use the --data-binary option.
To URL-encode the value of a form
field you may use -...