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What should I use Android AccountManager for?
... inter-process communication on Android.
ContentProvider schedules the database access in a background thread The AsyncQueryHanlder helps to query the ContentProvider in a background thread, preventing Application Not Responsive (ANR) errors while not requiring you to explicitly handle threading.
Co...
What's the best/easiest GUI Library for Ruby? [closed]
...her normal Ruby goodness.
Another neat option is SproutCore, a Javascript-based GUI toolkit with Ruby bindings developed by Apple. At least, the demos for it look great, and otherinbox built a pretty slick looking application on top of it. Personally, I've spent quite a few hours trying to get it r...
How do I find duplicate values in a table in Oracle?
...ues for a given column and the count of their occurrences in an Oracle database table?
13 Answers
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How do I add a placeholder on a CharField in Django?
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Similar spirit: for f in MyCommentForm.base_fields.values(): f.widget.attrs["placeholder"] = f.label, but I like your constructor method better.
– jozxyqk
Sep 2 '14 at 15:49
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Insert Update trigger how to determine if insert or update
...s, the common DELETED table will contain a record for these two actions. Based upon that information, I then created a small Action routine which determines why the trigger has been activated. This type of interface is sometimes needed when there is both a common configuration and a specific acti...
Cleanest way to write retry logic?
... a general exception handling mechanism. Having said that, here's a lambda-based retry wrapper that you can use with any method. I chose to factor the number of retries and the retry timeout out as parameters for a bit more flexibility:
public static class Retry
{
public static void Do(
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Convert pem key to ssh-rsa format
...eBuffer(&pEncoding[11 + index], nLen, nBytes);
b64 = BIO_new(BIO_f_base64());
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
bio = BIO_new_fp(stdout, BIO_NOCLOSE);
BIO_printf(bio, "ssh-rsa ");
bio = BIO_push(b64, bio);
BIO_write(bio, pEncoding, encodingLength);
BIO_flush(bio);...
String isNullOrEmpty in Java? [duplicate]
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com.google.common.base.Strings.isNullOrEmpty(String string) from Google Guava
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ActiveRecord, has_many :through, and Polymorphic Associations
...w you do exactly what you're looking for.
class Widget < ActiveRecord::Base
has_many :widget_groupings
has_many :people, :through => :widget_groupings, :source => :grouper, :source_type => 'Person'
has_many :aliens, :through => :widget_groupings, :source => :grouper, :sourc...
How to output a comma delimited list in jinja python template?
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Just fyi, you might need to make this an if/else based on your settings. More info. can be found here: github.com/pallets/jinja/issues/710
– Paul Calabro
Sep 19 '17 at 23:24
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