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Print JSON parsed object?
...t to print the object so I can debug it (something is going wrong with the function). When I do the following...
13 Answers...
SqlDataAdapter vs SqlDataReader
...tty clear about Close() vs. Dispose(). In the case of SqlConnection, for example, the docs say that Close() and Dispose() are functionally equivalent. I don't have any objection to calling Close(), but calls to Dispose() should be there as well for all IDisposables--and the cleanest way to do that i...
How do I escape ampersands in XML so they are rendered as entities in HTML?
...some XML text that I wish to render in an HTML page. This text contains an ampersand, which I want to render in its entity representation: & .
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Get url parameters from a string in .NET
...class that returns NameValueCollection.
Uri myUri = new Uri("http://www.example.com?param1=good&param2=bad");
string param1 = HttpUtility.ParseQueryString(myUri.Query).Get("param1");
Check documentation at http://msdn.microsoft.com/en-us/library/ms150046.aspx
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How can I declare and use Boolean variables in a shell script?
...y of the comments are wrong when associated with the revised answer. For example, Dennis Williamson's comment about bash builtin true on Jun 2, 2010 only applies to the original answer, not the revised.
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ListView inside ScrollView is not scrolling on Android
...crollView. I strongly recommend you to simplify your layout somehow. For example you can add views you want to be scrolled to the ListView as headers or footers.
UPDATE:
Starting from API Level 21 (Lollipop) nested scroll containers are officially supported by Android SDK. There're a bunch of meth...
How to express a NOT IN query with ActiveRecord/Rails?
...:
Topic.find(:all, :conditions => ['forum_id not in (?)', @forums.map(&:id)])
You might need to do @forums.map(&:id).join(','). I can't remember if Rails will the argument into a CSV list if it is enumerable.
You could also do this:
# in topic.rb
named_scope :not_in_forums, lambda {...
Convert a byte array to integer in Java and vice versa
...an int, big endian, minimal parentheses
// operator precedence: <<, &, |
// when operators of equal precedence (here bitwise OR) appear in the same expression, they are evaluated from left to right
int fromByteArray(byte[] bytes) {
return bytes[0] << 24 | (bytes[1] & 0xFF) ...
How do I build a numpy array from a generator?
... lists. This is necessary so that space for each item can be consecutively allocated in memory. Consecutive allocation is the key feature of numpy arrays: this combined with native code implementation let operations on them execute much quicker than regular lists.
Keeping this in mind, it is techni...
What's the advantage of Logic-less template (such as mustache)?
...ing that I am nearly alone in my opinion, but I am firmly in the opposite camp. I don't believe that the possible mixing of business logic in your templates is enough reason not to use the full power of your programming language.
The usual argument for logic-less templates is that if you have full...