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how to check redis instance version?
...uldn't have helped OP. Still, I think most readers will find issuing info from a client more helpful than running redis-server on the host.
– cluesque
Aug 19 at 14:51
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How to PUT a json object with an array using curl
... -X PUT -d '[JSON]' http://example.com/service
Using the exact JSON data from the question, the full command line would become:
curl -H 'Content-Type: application/json' -X PUT \
-d '{"tags":["tag1","tag2"],"question":"Which band?","answers":[{"id":"a0","answer":"Answer1"},{"id":"a1","answer":"ans...
How do I flag a method as deprecated in Objective-C 2.0?
..._attribute__((deprecated("Your message goes here")))
A practical example, from Mantle
@interface NSValueTransformer (UnavailableMTLPredefinedTransformerAdditions)
+ (NSValueTransformer *)mtl_externalRepresentationTransformerWithModelClass:(Class)modelClass __attribute__((deprecated("Replaced by +...
Make a Bash alias that takes a parameter?
...
This answer says it all. If I'd read from the bottom of this page, I'd have saved some time.
– joe
Feb 28 '16 at 19:53
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Difference between android.app.Fragment and android.support.v4.app.Fragment
...
As of 2018:
From android.app.Fragment documentation:
This class was deprecated in API level 28.
Use the Support Library Fragment for consistent behavior across all devices and access to Lifecycle.
So support fragments (android.s...
Nested rows with bootstrap grid system?
... open up a new .row inside of your column.
Here's a simple layout to work from:
<div class="container">
<div class="row">
<div class="col-xs-6">
<div class="big-box">image</div>
</div>
<div class="col-xs-6">
...
cannot convert data (type interface {}) to type string: need type assertion
...assertion in golang, and it is a common practice.
Here is the explanation from a tour of go:
A type assertion provides access to an interface value's underlying concrete value.
t := i.(T)
This statement asserts that the interface value i holds the concrete type T and assigns the underlyi...
Lambda Expression and generic method
...l must be able to tell such a lambda expression with type parameters apart from other legal Java constructs. Thus you have to resort to method references. The target method can declare type parameters using an established syntax.
– Holger
Dec 16 '15 at 10:48
...
How to check command line parameter in “.bat” file?
... of the double quotes, but a display of a neat feature of stripping quotes from the argument variable, if the first and last character is a double quote.
This "technology" works just as well with square brackets:
if [%~1]==[] (...)
It was a useful thing to point this out, so I also upvote the ne...
What does $(function() {} ); do?
...ction, which is prefixed with the $ or the word jQuery generally is called from within that method.
$(document).ready(function() {
// Assign all list items on the page to be the color red.
// This does not work until AFTER the entire DOM is "ready", hence the $(document).rea...