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Fast way of finding lines in one file that are not in another?
...t if they have different line endings. The command dos2unix can be used to convert the CRLF line endings to LF only.
– ZeroOne
Mar 27 at 10:30
add a comment
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Heroku Postgres - terminate hung query (idle in transaction)
I'm using Heroku with the Crane Postgres option and I was running a query on the database from my local machine when my local machine crashed. If I run
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Authorize Attribute with Multiple Roles
...in @Tieson
I tweak a little in his answer. Instead of string.Join why not convert it to list?
Here is my answer:
public class AuthorizeRolesAttribute : AuthorizeAttribute
{
private new List<string> Roles;
public AuthorizeRolesAttribute(params string[] roles) : base()
{
R...
How to restore to a different database in sql server?
...of Database1 from a week ago. The backup is done weekly in the scheduler and I get a .bak file. Now I want to fiddle with some data so I need to restore it to a different database - Database2 .
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Hibernate Annotations - Which is better, field or property access?
...";
}
}
Besides, if you throw another libs into the mix (like some JSON-converting lib or BeanMapper or Dozer or other bean mapping/cloning lib based on getter/setter properties) you'll have the guarantee that the lib is in sync with the persistence manager (both use the getter/setter).
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Fastest way to remove first char in a String
...foo" instead of "//foo".
The first option needs a bit more work to understand than the third - I would view the Substring option as the most common and readable.
(Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a variable, possibly d...
How to escape a single quote inside awk
... }", Phew! Both quotes have to be escaped, and both backslashes. The shell converts \\ to \ so we need \\\\ to encode \\ .
– Kaz
Jun 9 '15 at 18:19
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?
Java 6's Arrays.sort method uses Quicksort for arrays of primitives and merge sort for arrays of objects. I believe that most of time Quicksort is faster than merge sort and costs less memory. My experiments support that, although both algorithms are O(n log(n)). So why are different algorithms us...
How do I record audio on iPhone with AVAudioRecorder?
...ant to record audio in my application, but I want to use AVAudioRecorder and not the older way of recording like the example SpeakHere shows. There are not any examples of how to best do this in the iPhone Dev Center and only reference to the classes. I am a newbie at iPhone development, so I a...
OpenLayers vs Google Maps? [closed]
...here any kind of API to display roads?
I'd check out CloudMade! The have converted the OpenStreetMap project into a map tile service and allow custom styling. I believe that you can style one-way streets (per your example) a particular way. The CloudMade Developer Zone.
Do you know any good tuto...