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What is the difference between 'typedef' and 'using' in C++11?
...
All standard references below refers to N4659: March 2017 post-Kona working draft/C++17 DIS.
Typedef declarations can, whereas alias declarations cannot, be used as initialization statements
But, with the first two non-temp...
Vim: Creating parent directories on save
...ries for files like ftp://* and !isdirectory will prevent expensive mkdir call.
Update: sligtly better solution that also checks for non-empty buftype and uses mkdir():
function s:MkNonExDir(file, buf)
if empty(getbufvar(a:buf, '&buftype')) && a:file!~#'\v^\w+\:\/'
let dir=...
Oracle query to fetch column names
...tion_schema.COLUMNS is USER_TAB_COLS for tables owned by the current user, ALL_TAB_COLS or DBA_TAB_COLS for tables owned by all users.
Tablespace is not equivalent to a schema, neither do you have to provide the tablespace name.
Providing the schema/username would be of use if you want to query AL...
How do I create an abstract base class in JavaScript?
...l value instead of an object so as to continue application execution, it really depends on your implementation. This, in my opinion, is the correct way to implement abstract JS "classes".
– dudewad
Jan 18 '16 at 21:36
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Create Directory if it doesn't exist with Ruby
... ["foo/bar"]
Edit2: you do not have to use FileUtils, you may do system call (update from @mu is too short comment):
> system 'mkdir', '-p', 'foo/bar' # worse version: system 'mkdir -p "foo/bar"'
=> true
But that seems (at least to me) as worse approach as you are using external 'tool' wh...
Mockito: Inject real objects into private @Autowired fields
...njectMocks
private Demo demo;
/* ... */
}
Mockito will consider all fields having @Mock or @Spy annotation as potential candidates to be injected into the instance annotated with @InjectMocks annotation. In the above case 'RealServiceImpl' instance will get injected into the 'demo'
For m...
Application auto build versioning
... :) by default it compiles with -ldflags "-Xmain.VERSION x.x.x -Xmain.BUILD_DATE CurrentDateInISO8601", but you can configure those variable names if you like. See github.com/laher/goxc ... (disclaimer: I wrote goxc)
– laher
Nov 14 '13 at 20:51
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
...supports aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Schema::create('really_long_table_name', function($...
Devise form within a different controller
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As Andres says, the form calls helpers which are specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller you...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...and updating the model values (EditableValueHolder components only) and finally invoke the queued ActionEvent (ActionSource components only). JSF will skip processing of all other components which are not covered by process attribute. Also, components whose rendered attribute evaluates to false duri...