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Return a value if no rows are found in Microsoft tSQL
...ry (habits die hard), ISNULL is not available in SQL Lite or whatever it's called that runs on older Windows Mobile devices. COALESCE works on both, lite, Express and full-blown SQL.
– Ads
Sep 3 '14 at 2:17
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Why all the Active Record hate? [closed]
... with LEFT JOIN companies on companies.id = person.company_id, and automatically generates associated Company objects so you can do people.first.company and it doesn't need to hit the database because the data is already present.
@pix0r
The inherent problem with Active Record is that databa...
Making TextView scrollable on Android
...s has caused me to waste an hour just now! FFS).
PRO TIP:
To programmatically scroll to the bottom after appending text, use this:
mTextStatus = (TextView) findViewById(R.id.TEXT_STATUS_ID);
mScrollView = (ScrollView) findViewById(R.id.SCROLLER_ID);
private void scrollToBottom()
{
mScrollVi...
How to get the device's IMEI/ESN programmatically in android?
...e the IMEI (or ESN number for CDMA devices). How to access this programmatically?
20 Answers
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Datatables - Search Box outside datatable
...bject rather than a DataTables API instance. The latter can be achieved by calling "oTable = $('#myTable').DataTable();" with a capital "D". This is required to be able to call .search on it (if will throw a "function undefined" error otherwise). See: datatables.net/faqs/#api
–...
Handling specific errors in JavaScript (think exceptions)
... they also explain how to make it conform, though it's not as succint. Basically same as above, but using instanceOf. Check here
– Bart
Oct 20 '15 at 8:58
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What is Dependency Injection and Inversion of Control in Spring Framework?
...fted from our application code to the Spring container; this phenomenon is called IoC.
Dependency Injection can be done by setter injection or constructor injection.
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What does the `forall` keyword in Haskell/GHC do?
I'm beginning to understand how the forall keyword is used in so-called "existential types" like this:
8 Answers
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Using CSS :before and :after pseudo-elements with inline CSS?
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as mentioned above: its not possible to call a css pseudo-class / -element inline.
what i now did, is:
give your element a unique identifier, f.ex. an id or a unique class.
and write a fitting <style> element
<style>#id29:before { content: "*";}</st...
How to use LocalBroadcastManager?
...custom-event-name"));
}
// Our handler for received Intents. This will be called whenever an Intent
// with an action named "custom-event-name" is broadcasted.
private BroadcastReceiver mMessageReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) ...