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Forward declaration of nested types/classes in C++
...s someone know why it is not possible ? It seems there is valid use cases, and this lack prevents architecture consistency in some situations.
– Maël Nison
Nov 1 '12 at 16:10
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UICollectionView spacing margins
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I don't seem to be getting left and right insets to work when using a vertical flow layout...
– John
Apr 4 '13 at 0:25
1
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Convert XmlDocument to String
...es. It's just VS debugger. Try printing to the console or saving to a file and you'll see. As a side note: always dispose disposable objects:
using (var stringWriter = new StringWriter())
using (var xmlTextWriter = XmlWriter.Create(stringWriter))
{
xmlDoc.WriteTo(xmlTextWriter);
xmlTextWrit...
Length of generator output [duplicate]
...nything similar for lazy iterables represented by generator comprehensions and functions. Of course, it is not hard to write something like:
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Is there a minlength validation attribute in HTML5?
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If you enters an invalid input and you're using setCustomValidity, then it will continue to show you the error message even after you corrected the input. You can use the following onchange method to counter this. oninvalid="this.setCustomValidity('Field m...
Attach parameter to button.addTarget action in Swift
...parameters in addTarget:.One alternative is set the tag property of button and do work based on the tag.
button.tag = 5
button.addTarget(self, action: "buttonClicked:",
forControlEvents: UIControlEvents.TouchUpInside)
Or for Swift 2.2 and greater:
button.tag = 5
button.addTarget(self,action...
How do I pipe a subprocess call to a text file?
RIght now I have a script that I run. When I run it and it hits this line, it starts printing stuff because run.sh has prints in it.
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is of a type that is invalid for use as a key column in an index
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A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] nvarchar(450) UNIQUE NOT NULL,
[v...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...ays "MissingRequiredValidatorError"
I thought that by updating post_params and giving it :image it would be fine, as both create and update use post_params
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Use String.split() with multiple delimiters
I need to split a string base on delimiter - and . . Below are my desired output.
13 Answers
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