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Rails Object to hash
...u could override that method in order to customize the way your attributes appear, by doing something like this :
class Post < ActiveRecord::Base
def as_json(*args)
{
:name => "My name is '#{self.name}'",
:post_number => "Post ##{self.post_number}",
}
end
end
Then...
Node.js check if path is file or directory
...; for ex, the file or directory doesn't exist.
If you want a true or false approach, try fs.existsSync(dirPath) && fs.lstatSync(dirPath).isDirectory(); as mentioned by Joseph in the comments below.
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的速度：
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist
禁用以后，磁盘上还保留着这些交换文件，它们已经没用了，也可以删掉：
sudo rm /private/var/vm/swapfile*
如果要重新启用虚拟内存的话，可以执行这条...
Resizing UITableView to fit content
I am creating an app which will have a question in a UILabel and a multiple choice answers displayed in UITableView , each row showing a multiple choice. Questions and answers will vary, so I need this UITableView to be dynamic in height.
...
How to automatically crop and center an image
...can use background-size: cover; to get the image to shrink or fill the div appropriately while maintaining the original aspect ratio.
– Nick
Apr 30 '13 at 16:48
7
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Uploading Files in ASP.net without using the FileUpload server control
...tring fname = Path.GetFileName(file.FileName);
file.SaveAs(Server.MapPath(Path.Combine("~/App_Data/", fname)));
}
}
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Pushing to Git returning Error Code 403 fatal: HTTP request failed
...
This answer did not apply to my problem. My url in .git/config is set to `github.com/myrepo/subproject'.
– kilojoules
Jul 17 '15 at 21:31
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Show spinner GIF during an $http request in AngularJS?
...);
//regular angular initialization continued below....
angular.module('myApp', [ 'myApp.directives', 'SharedServices']).
//.......
Here is the rest of it (HTML / CSS)....using
$('#mydiv').show();
$('#mydiv').hide();
to toggle it. NOTE: the above is used in the angular module at beginning o...
MySQL integer field is returned as string in PHP
...a row in Postgres you coudl be sure that the elements in the row array had appropriate data types. Now I'm having to write code to manually cast every element to the data type I'm expecting.
– GordonM
Mar 25 '11 at 10:14
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How do I set up a simple delegate to communicate between two view controllers?
...he parent view controller's implementation, implement the delegate methods appropriately.
RootViewController.m
#import "RootViewController.h"
@implementation RootViewController
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
ChildViewController *...