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Does ARC support dispatch queues?
...d as
* Objective-C types when building with an Objective-C compiler. This allows
* them to participate in ARC, in RR management by the Blocks runtime and in
* leaks checking by the static analyzer, and enables them to be added to Cocoa
* collections.
*
* NOTE: this requires explicit cancellati...
How to define different dependencies for different product flavors
... closures Gradle generates will not work if the flavor name starts with a capital letter.
– Jarett Millard
Jan 21 '15 at 17:44
2
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Ruby on Rails Callback, what is difference between :before_save and :before_create?
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You can use: before_save :generate_api_key, :if => :new_record?
– Kasper Grubbe
Nov 17 '13 at 22:09
add a comment
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How to convert .pfx file to keystore with private key?
...entcert.jks -deststoretype JKS
Using JDK 1.5 or below
OpenSSL can do it all. This answer on JGuru is the best method that I've found so far.
Firstly make sure that you have OpenSSL installed. Many operating systems already have it installed as I found with Mac OS X.
The following two commands c...
How to disable Golang unused import error
...
Adding an underscore (_) before a package name will ignore the unused import error.
Here is an example of how you could use it:
import (
"log"
"database/sql"
_ "github.com/go-sql-driver/mysql"
)
To import a package solely for i...
Is there a better Windows Console Window? [closed]
...consoles and simple GUI applications as one customizable GUI window.
Initially, the program was designed to work with Far Manager (my favorite shell replacement - file and archive management, command history and completion, powerful editor). But ConEmu can be used with any other console application...
Getting the index of the returned max or min item using max()/min() on a list
... values = [3,6,1,5], and need the index of the smallest element, i.e. index_min = 2 in this case.
Avoid the solution with itemgetter() presented in the other answers, and use instead
index_min = min(range(len(values)), key=values.__getitem__)
because it doesn't require to import operator nor to ...
How do I hide the status bar in a Swift iOS app?
...
You really should implement prefersStatusBarHidden on your view controller(s):
Swift 3 and later
override var prefersStatusBarHidden: Bool {
return true
}
...
Transform DateTime into simple Date in Ruby on Rails
...irety of rails is written in Ruby, so you could probably look on the rails api to find the to_date() method. That will tell you the module it's in, which you could then include for DateTime objects in your code
– Eric Hu
Oct 19 '11 at 22:09
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How do I URl encode something in Node.js?
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nodejs.org/api/… says: "The querystring.escape() method is used by querystring.stringify() and is generally not expected to be used directly."
– Simon Hänisch
Aug 18 '17 at 1:24
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