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LEFT OUTER joins in Rails 3
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@posts = Post.joins("LEFT OUTER JOIN users ON users.id = posts.user_id").
joins(:blog).select
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Proper way to return JSON using node or Express
...": "sqswqswqs",
"timestamp": "2019-11-29T12:46:21.633Z",
"_id": "5de1131d8f7be5395080f7b9",
"name": "topics test xqxq",
"thumbnail": "waterfall-or-agile-inforgraphics-thumbnail-1575031579309.jpg",
"category_id": "5de0fe0b4f76c22ebce2b70a",
"__v": 0
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2 column div layout: right column with fixed width, left fluid
...olumn needs to come before the left one.
If the right has a float (and a width), and if the left column doesn't have a width and no float, it will be flexible :)
Also apply an overflow: hidden and some height (can be auto) to the outer div, so that it surrounds both inner divs.
Finally, at the le...
CSS – why doesn’t percentage height work? [duplicate]
... percentage value for height doesn’t work but a percentage value for width does?
6 Answers
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How to link to a named anchor in Multimarkdown?
...er to it on the same page by [link text](#abcd).
(This uses name= and not id=, for reasons explained in this answer.)
Remote references can use [link text](http://...#abcd) of course.
This works like a dream, provided you have control over the source and target texts. The anchor can even appear i...
Selecting element by data attribute
...e? For example, select all anchors that has data attribute named customerID which has value of 22 .
11 Answers
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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
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You have to upload your public key to Heroku:
heroku keys:add ~/.ssh/id_rsa.pub
If you don't have a public key, Heroku will prompt you to add one automatically which works seamlessly. Just use:
heroku keys:add
To clear all your previous keys do :
heroku keys:clear
To display all your ...
How do I drop a function if it already exists?
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IF EXISTS (
SELECT * FROM sysobjects WHERE id = object_id(N'function_name')
AND xtype IN (N'FN', N'IF', N'TF')
)
DROP FUNCTION function_name
GO
If you want to avoid the sys* tables, you could instead do (from here in example A):
IF object_id(N'function_nam...
How to turn a String into a JavaScript function call? [duplicate]
...settings.functionName];
if(typeof fn === 'function') {
fn(t.parentNode.id);
}
Edit: In reply to @Mahan's comment:
In this particular case, settings.functionName would be "clickedOnItem". This would, at runtime translate var fn = window[settings.functionName]; into var fn = window["clickedOnIte...
Read Excel File in Python
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from xlrd import open_workbook
class Arm(object):
def __init__(self, id, dsp_name, dsp_code, hub_code, pin_code, pptl):
self.id = id
self.dsp_name = dsp_name
self.dsp_code = dsp_code
self.hub_code = hub_code
self.pin_code = pin_code
self.pptl = p...