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Checking if a blob exists in Azure Storage
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The new API has the .Exists() function call. Just make sure that you use the GetBlockBlobReference, which doesn't perform the call to the server. It makes the function as easy as:
public static bool BlobExistsOnCloud(CloudBlobClie...
How can I update window.location.hash without jumping the document?
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There is a workaround by using the history API on modern browsers with fallback on old ones:
if(history.pushState) {
history.pushState(null, null, '#myhash');
}
else {
location.hash = '#myhash';
}
Credit goes to Lea Verou
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How can I determine whether a Java class is abstract by reflection
...ct( someClass.getModifiers() );
Also:
http://java.sun.com/javase/6/docs/api/java/lang/reflect/Modifier.html
http://java.sun.com/javase/6/docs/api/java/lang/Class.html#getModifiers()
share
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impr...
How to cancel/abort jQuery AJAX request?
...is the property readystate above and readyState below, the character s is capitalized in jQuery 1.5
– Arun P Johny
Sep 14 '11 at 10:55
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android.widget.Switch - on/off event listener?
...d like to implement a switch button, android.widget.Switch (available from API v.14).
10 Answers
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Manifest merger failed : uses-sdk:minSdkVersion 14
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Note: This has been updated to reflect the release of API 21, Lollipop. Be sure to download the latest SDK.
In one of my modules I had the following in build.gradle:
dependencies {
compile 'com.android.support:support-v4:+'
}
Changing this to
dependencies {
// do no...
A KeyValuePair in Java [duplicate]
...uld use BasicNameValuePair
Update:
BasicNameValuePair is now deprecated (API 22).
Use Pair instead.
Example usage:
Pair<Integer, String> simplePair = new Pair<>(42, "Second");
Integer first = simplePair.first; // 42
String second = simplePair.second; // "Second"
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builder for HashMap
...pecially since this is 2017 (almost 2018 now!), and there is still no such API in the JDK
– Milad Naseri
Dec 8 '17 at 6:27
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UIRefreshControl on UICollectionView only works if the collection fills the height of the container
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You must check in api call if collection view is in refreshing state then end refreshing to dismiss refreshing control.
private let refreshControl = UIRefreshControl()
refreshControl.tintColor = .white
refreshControl.addTarget(self, actio...
How to get a random number in Ruby
... so you can create your own random number generator objects and has a nice API:
r = Random.new
r.rand(10...42) # => 22
r.bytes(3) # => "rnd"
The Random class itself acts as a random generator, so you call directly:
Random.rand(10...42) # => same as rand(10...42)
Notes on Random.new
I...