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Rails 4 multiple image or file upload using carrierwave
...ow can I upload multiple images from a file selection window using Rails 4 and CarrierWave? I have a post_controller and post_attachments model. How can I do this?
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Executing injected by innerHTML after AJAX call
... idea is to move the script that you want to execute into an external file and create a script tag when you get your Ajax response. You then set the src attribute of your script tag and voila, it loads and executes the external script.
This other StackOverflow post may also be helpful to you: Can s...
Copy the entire contents of a directory in C#
...cause unwanted consequences. Just a warning to people that like doing copy and paste over the net. The code posted by @jaysponsored is safer because it doesn't use string.Replace but I'm sure it also has its corner cases.
– Alex
Dec 3 '11 at 18:58
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Alternate output format for psql
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I just needed to spend more time staring at the documentation. This command:
\x on
will do exactly what I wanted. Here is some sample output:
select * from dda where u_id=24 and dda_is_deleted='f';
-[ RECORD 1 ]------+--------------------------------------------------------------------------...
jQuery get html of container including the container itself
How do i get the html on '#container' including '#container' and not just what's inside it.
10 Answers
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How to style the parent element when hovering a child element?
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Well, this question is asked many times before, and the short typical answer is: It cannot be done by pure CSS. It's in the name: Cascading Style Sheets only supports styling in cascading direction, not up.
But in most circumstances where this effect is wished, like in th...
looping through an NSMutableDictionary
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A standard way would look like this
for(id key in myDict) {
id value = [myDict objectForKey:key];
[value doStuff];
}
share
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jQuery using append with effects
...isplays is updated as soon as the div is appended. So, to combine Mark B's and Steerpike's answers:
Style the div you're appending as hidden before you actually append it. You can do it with inline or external CSS script, or just create the div as
<div id="new_div" style="display: none;"> .....
Can Objective-C switch on NSString?
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Unfortunately they cannot. This is one of the best and most sought after utilizations of switch statements, so hopefully they hop on the (now) Java (and others) bandwagon!
If you are doing card names, perhaps assign each card object an integer value and switch on that. Or pe...
std::cin input with spaces?
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And why not use cin.getline(input, sizeof(input));? Also, shouldn't you check the return status?
– Jonathan Leffler
Jun 14 '13 at 23:32
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