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The 'Access-Control-Allow-Origin' header contains multiple values
...It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.get(url), I get the message
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Media query to detect if device is touchscreen
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I would suggest using modernizr and using its media query features.
if (Modernizr.touch){
// bind to touchstart, touchmove, etc and watch `event.streamId`
} else {
// bind to normal click, mousemove, etc
}
However, using CSS, there are pseudo clas...
How to check if a map contains a key in Go?
...ng here
}
Explanation:
if statements in Go can include both a condition and an initialization statement. The example above uses both:
initializes two variables - val will receive either the value of "foo" from the map or a "zero value" (in this case the empty string) and ok will receive a bool ...
How can bcrypt have built-in salts?
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This is bcrypt:
Generate a random salt. A "cost" factor has been pre-configured. Collect a password.
Derive an encryption key from the password using the salt and cost factor. Use it to encrypt a well-known string. Store the cost, salt, and cipher text...
Creating a byte array from a stream
... streams, you just don't know how much data there will be. In such cases - and before .NET 4 - I'd use code like this:
public static byte[] ReadFully(Stream input)
{
byte[] buffer = new byte[16*1024];
using (MemoryStream ms = new MemoryStream())
{
int read;
while ((read ...
Inheritance vs. Aggregation [closed]
There are two schools of thought on how to best extend, enhance, and reuse code in an object-oriented system:
12 Answers
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Android Json and null values
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Try with json.isNull( "field-name" ).
Reference: http://developer.android.com/reference/org/json/JSONObject.html#isNull%28java.lang.String%29
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C default arguments
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Not really. The only way would be to write a varargs function and manually fill in default values for arguments which the caller doesn't pass.
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Encode html entities in javascript
...wsers. I would like to set up a list of symbols that must be searched for, and then converted to the corresponding html entity. For example
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What do 3 dots next to a parameter type mean in Java?
...who decided to use optional arguments to properly implement the method to handle having zero or more of them.
– kiswa
May 16 '13 at 13:08
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