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Reflection: How to Invoke Method with parameters
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10 Answers
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Active
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Counting null and non-null values in a single query
... it to work on another RDBMS):
select sum(case when a is null then 1 else 0 end) count_nulls
, count(a) count_not_nulls
from us;
Or:
select count(*) - count(a), count(a) from us;
share
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How do I convert an existing callback API to promises?
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20 Answers
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Can an ASP.NET MVC controller return an Image?
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Ray Cheng
10.8k1313 gold badges6565 silver badges123123 bronze badges
answered Aug 28 '09 at 20:58
BrianBrian
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How do I lock the orientation to portrait mode in a iPhone Web Application?
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70
You can specify CSS styles based on viewport orientation:
Target the browser with body[orient="l...
Remove a HTML tag but keep the innerHtml
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304
$('b').contents().unwrap();
This selects all <b> elements, then uses .contents() to tar...
How to convert a string with comma-delimited items to a list in Python?
...e shell.
– A. Wilson
Jan 25 '13 at 20:19
3
eval('[' + text + ']') will treat a,b,c as variables, ...
Intelligent way of removing items from a List while enumerating in C#
...en you're not using an enumerator:
for (int i = myList.Count - 1; i >= 0; i--)
{
// Do processing here, then...
if (shouldRemoveCondition)
{
myList.RemoveAt(i);
}
}
Going backwards ensures that you don't skip any elements.
Response to Edit:
If you're going to have see...
Sort objects in ArrayList by date?
...) {
if (getDateTime() == null || o.getDateTime() == null)
return 0;
return getDateTime().compareTo(o.getDateTime());
}
}
Or in the second example:
Collections.sort(myList, new Comparator<MyObject>() {
public int compare(MyObject o1, MyObject o2) {
if (o1.getDateTime(...
What are the Android SDK build-tools, platform-tools and tools? And which version should be used?
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RevanthKrishnaKumar V.
1,74011 gold badge1818 silver badges3232 bronze badges
answered Jan 17 '14 at 19:03
lactonlacton
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