I want to see if Hadoop’s hdfs file system is working properly. I know that jps lists the running daemons, but I don’t actually know which daemons to look for. < p>
I ran the following comman
Tag: How
Event – How do I adjust my event observer in Magento?
My observer is not called. I want to know how to dispatch the event so that I can debug it. < div class="answer"> This is a breakdown of Magento’s Mage_Core_Model_App::dispatchEvent() call, which
WiFi – How to calculate IEEE 802.11 CRC-32 FCS?
This is from IEEE Std 802.11-2012 clause 8.2.4.8 FCS field:
I can’t understand the last two paragraphs:
> “The initial remainder of the division is preset to all”, what does this mean,
SWIFT: How to set anyobject to nil or equivalent
I have a very general function that needs to return AnyObject:
func backgroundFunction(dm: DataManager) -> AnyObject {
…
} But in some cases I want to return an empty/null value
I th
Silverlight: How to disable the browser’s refresh button?
I am developing a Silverlight application (i.e. no HTML content at all), and one of the biggest complaints is that if the user accidentally clicks F5, the application will restart. So is ther
Silverlight-4.0 – How to click on the left button instead of right click on Silverlight to open the context menu
How to open the context menu when left-clicking instead of right-clicking in silverlight
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try Try this:
// On click
private void button1_Click(object sender, RoutedEventArgs
Silverlight – How to set the placeholder of the Image control (download)?
I have an application that displays a list of images. The image source is set to http URL, and the image will be downloaded and displayed automatically.
However, although the application The
SWIFT – iOS – UICOLLECTIONVIEW – When you insert multiple projects, how can you pick one of them, but not at the same time?
If you have a collection view and you change items by inserting several, the default layout will fade them out at the same time. Is it possible to fade them one by one?
I’m thinking about sub
WCF – How to save the byte array from Silverlight to the file
I have an SL 3 application that connects to a WCF service. This service retrieves a byte array. I want to save the array as a pdf file using FileStream. The problem is that when re-retrieving the w
SWIFT – How to get the value of the text field from UITABLEVIEWCELL?
So I have this UITableView cell with 4 UITextFields, and I want to get their values when the button is clicked.
This code does not retrieve any Value.
@IBAction func printBtnAction(_