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How to get next/previous record in MySQL?
Say I have records with IDs 3,4,7,9 and I want to be able to go from one to another by navigation via next/previous links. The problem is, that I don't know how to fetch record with nearest higher ID.
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Custom Drawable for ProgressBar/ProgressDialog
Reading the limited documentation that Google has provided, I get the feeling that it is possible to change the look (drawable) of a ProgressBar/ProgressDialog by simply creating a new style an assigning it to the style property of the ProgressBar. But I cannot get this to work properly. Here is wha...
C# switch on type [duplicate]
C# doesn't support switching on the type of an object.
What is the best pattern of simulating this:
5 Answers
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What is the most efficient way to concatenate N arrays?
... can be used instead to add elements from one array to the end of another without producing a new array. With slice() it can also be used instead of concat() but there appears to be no performance advantage from doing this.
var a = [1, 2], b = ["x", "y"];
a.push.apply(a, b);
console.log(a); // [1, ...
Difference between knockout View Models declared as object literals vs functions
In knockout js I see View Models declared as either:
2 Answers
2
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Trusting all certificates with okHttp
...) {
@Override
public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {
}
@Override
public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType) throws Ce...
PostgreSQL Crosstab Query
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Install the additional module tablefunc once per database, which provides the function crosstab(). Since Postgres 9.1 you can use CREATE EXTENSION for that:
CREATE EXTENSION IF NOT EXISTS tablefunc;
Improved test case
CREATE TABLE tbl (...
Rails I18n validation deprecation warning
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Important: Make sure your app is not using I18n 0.6.8, it has a bug that prevents the configuration to be set correctly.
Short answer
In order to silence the warning edit the application.rb file and include the following line inside the Rails::Application body
config.i18n.en...
What is the difference between an IntentService and a Service? [duplicate]
...rom the docs:
Service
A Service is an application component representing either an application's desire to perform a longer-running operation while not interacting with the user or to supply functionality for other applications to use.
IntentService
Service is a base class for IntentService Servic...
How do I explicitly instantiate a template function?
I have a template function with one argument.
I have to instantiate that function without calling that function means explicitly I have to instantiate.
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