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How can I get the sha1 hash of a string in node.js?
I'm trying to create a websocket server written in node.js
5 Answers
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How does one make an optional closure in swift?
I'm trying to declare an argument in Swift that takes an optional closure. The function I have declared looks like this:
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What is the exact meaning of Git Bash?
I have been working with Git Bash for the last two days. I know now the basic operations such as commit , push , pull , fetch , and merge . But I still don't know what Git Bash itself actually is!
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Netbeans: how to change @author
When creating a new class or interface in Netbeans IDE, an "@author ...." tag appears. How to change its value? If possible, I would like to change it by using Netbeans menu and not by editing some config files :) I'm using Netbeans 7.2
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Parsing JSON from XmlHttpRequest.responseJSON
I'm trying to parse a bit.ly JSON response in javascript.
5 Answers
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WaitAll vs WhenAll
What is the difference between Task.WaitAll() and Task.WhenAll() from the Async CTP ?
Can you provide some sample code to illustrate the different use cases ?
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SQL query to find record with ID not in another table
I have two tables with binding primary key in database and I desire to find a disjoint set between them. For example,
6 Ans...
String Concatenation using '+' operator
Looking at the string class metadata, I only see the operators == and != overloaded. So how is it able to perform concatenation for the ' + ' operator?
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Preview an image before it is uploaded
I want to be able to preview a file (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image.
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Setting property 'source' to 'org.eclipse.jst.jee.server:JSFTut' did not find a matching property
I am getting following error, when I run the demo JSF application on the console
8 Answers
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