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How Can I Download a File from EC2 [closed]
... @gideon That definitively should work as expected (i.e. recursively copy all files from /srv/www/myapp/ to the local machine). Wild guess - are you running scp from your ec2 server perhaps? If yes, you need to run it from your local machine (i.e. the machine you want to copy files to).
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Omitting the second expression when using the if-else shorthand
...o an option:
x==2 && dosomething();
dosomething() will only be called if x==2 is evaluated to true. This is called Short-circuiting.
It is not commonly used in cases like this and you really shouldn't write code like this. I encourage this simpler approach:
if(x==2) dosomething();
You...
How to programmatically cause a core dump in C/C++
... way to do it (though keep in mind that SIGABRT is not required to be 6 in all POSIX implementations so you may want to use the SIGABRT value itself if this is anything other than quick'n'dirty debug code).
#include <signal.h>
: : :
raise (SIGABRT);
Calling abort() will also cause a core du...
In what order are Panels the most efficient in terms of render time and performance?
...ates relative to the Canvas area.
The Canvas has the best performance of all the panels for the arrange pass since each item is statically assigned a location. The measure pass also has excellent performance since there is no concept of stretching in this panel; each child simply uses its native ...
How to change the height of a ?
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Here is the correct solution that actually has cross-browser support:
br {
line-height: 150%;
}
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Is there a query language for JSON?
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Sure, how about:
JsonPath.
Json Query
They all seem to be a bit work in progress, but work to some degree. They are also similar to XPath and XQuery conceptually; even though XML and JSON have different conceptual models (hierarchic vs object/struct).
EDIT Sep-2015: ...
Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
How to I get mongo to use a mounted drive on ec2? I really do not understand. I attached a volume on ec2 formatted the drive as root and start as root and yet as root I cant access? I am running on ubuntu 12.04. No other mongo is running
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How to get the HTML for a DOM element in javascript
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Now that it's 2013, calling "domnode.outerHTML" works on all major browsers (FF since v11)
– Kevin
Oct 31 '13 at 17:23
ad...
How does TestFlight do it?
...he enterprise distribution mechanism. Since 4.0 devices have supported install from web.
Remember - you still need to sign the beta distribution for a select set of UDIDs you can't just willy nilly install it on any device. All they are doing is taking the email the IPA step out of things.
See:
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How to use HTML to print header and footer on every printed page of a document?
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This did not work for me, I'm using Chrome 15.0. All it does is print the element where it would be on the screen, e.g. in the middle of the page, if that's where I scrolled to. It certainly doesn't print on every page.
– chharvey
Dec ...