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Insert a line at specific line number with sed or awk
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243
sed -i '8i8 This is Line 8' FILE
inserts at line 8
8 This is Line 8
into file FILE
-i do...
Rails raw SQL example
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446
You can do this:
sql = "Select * from ... your sql query here"
records_array = ActiveRecord::...
Instantiate and Present a viewController in Swift
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This answer was last revised for Swift 5.2 and iOS 13.4 SDK.
It's all a matter of new syntax and slightly revised APIs. The underlying functionality of UIKit hasn't changed. This is true for a vast majority of iOS SDK frameworks.
let storyboard = UIStoryboard(name: "myStoryb...
How can I have lowercase routes in ASP.NET MVC?
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241
With System.Web.Routing 4.5 you may implement this straightforward by setting LowercaseUrls pr...
How do I put the image on the right side of the text in a UIButton?
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manmal
3,49111 gold badge2727 silver badges3939 bronze badges
answered May 4 '17 at 14:21
BenjaminBenjamin
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How do I access an access array item by index in handlebars?
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413
Try this:
<ul id="luke_should_be_here">
{{people.1.name}}
</ul>
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Extract a part of the filepath (a directory) in Python
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245
import os
## first file in current dir (with full path)
file = os.path.join(os.getcwd(), os.lis...
Automatic post-registration user authentication
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146
Symfony 4.0
This process hasnt changed from symfony 3 to 4 but here is an example using the ne...
Maximum single-sell profit
... it's helpful to see the algorithm evolve:
5 10 4 6 7
min 5 5 4 4 4
best (5,5) (5,10) (5,10) (5,10) (5,10)
Answer: (5, 10)
5 10 4 6 12
min 5 ...
What is the best way to remove a table row with jQuery?
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442
You're right:
$('#myTableRow').remove();
This works fine if your row has an id, such as:
&...