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How to Test a Concern in Rails
...t I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec?
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Python Write bytes to file
I have a function that returns a string. The string contains carriage returns and new line feeds (0x0D, 0x0A). However when I write to a file it contains only the new line feeds. Is there a way to get the output to include the carriage return and the new line feed.
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Handler is abstract ,cannot be instantiated
...tView;
public class ActionActivity extends ActionBarActivity {
final String LOG_TAG = "myLogs";
TextView tvInfo;
Button btnStart;
Handler h;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.la...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
...PTY_SET;
Map map = Collections.EMPTY_MAP;
As compared to:
List<String> s = Collections.emptyList();
Set<Long> l = Collections.emptySet();
Map<Date, String> d = Collections.emptyMap();
shar...
How to get the path of current worksheet in VBA?
...
Always nice to have:
Dim myPath As String
Dim folderPath As String
folderPath = Application.ActiveWorkbook.Path
myPath = Application.ActiveWorkbook.FullName
share
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Get epoch for a specific date using Javascript
...ernet Explorer. Date constructor relies on the Date.parse() method when a string is passed, which is implementation dependant in ECMA-262 3rd edition and, as a result, notoriously inflexible in IE.
– Andy E
Jul 30 '10 at 7:50
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How can I send large messages with Kafka (over 15MB)?
I send String-messages to Kafka V. 0.8 with the Java Producer API.
If the message size is about 15 MB I get a MessageSizeTooLargeException .
I have tried to set message.max.bytes to 40 MB, but I still get the exception. Small messages worked without problems.
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Run an exe from C# code
...void LaunchCommandLineApp()
{
// For the example
const string ex1 = "C:\\";
const string ex2 = "C:\\Dir";
// Use ProcessStartInfo class
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.CreateNoWindow = false;
startInfo.UseShe...
SQLite select where empty?
...e faster in some situation, as comparing numbers is simpler than comparing strings. If the performance for that is a concern, you should of course check what it does.
– Guffa
Apr 16 '12 at 11:16
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MongoDB - Update objects in a document's array (nested updating)
...reak it into two parts. First, increment any document that has "items.item_name" equal to "my_item_two". For this you'll have to use the positional "$" operator. Something like:
db.bar.update( {user_id : 123456 , "items.item_name" : "my_item_two" } ,
{$inc : {"items.$.price" : ...