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What is the difference between IEqualityComparer and IEquatable?
I want to understand the scenarios where IEqualityComparer<T> and IEquatable<T> should be used.
The MSDN documentation for both looks very similar.
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Using the “animated circle” in an ImageView while loading stuff
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Simply put this block of xml in your activity layout file:
<RelativeLayout
android:id="@+id/loadingPanel"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center" >
<ProgressBar
android:layout_width="wrap_c...
What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
...ng something simple, it doesn't matter which you use but for more advanced scripts ActiveX has better possibilities.
ActiveX is also more customizable.
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What's the difference between SortedList and SortedDictionary?
Is there any real practical difference between a SortedList<TKey,TValue> and a SortedDictionary<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other?
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Retrieve version from maven pom.xml in code
...do this, but here's an example for starters).
In Maven, enable resource filtering. This will cause Maven to copy that file into your output classes and translate the resource during that copy, interpreting the property. You can find some info here but you mostly just do this in your pom:
<build...
How do I expire a PHP session after 30 minutes?
...f session.gc_probability divided by session.gc_divisor. And using the default values for those options (1 and 100 respectively), the chance is only at 1%.
Well, you could simply adjust these values so that the garbage collector is started more often. But when the garbage collector is started, it wi...
Force LF eol in git repo and working copy
...at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2 diff=php
*.script text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2
*.sh text eol=lf whitespace=blank-at-eol,-blank-at-eof,-space-before-tab,tab-in-indent,tabwidth=2 diff=php
*.sql te...
Automating the InvokeRequired code pattern
...thus the control, isn't visible yet, InvokeRequired returns false,
// resulting still in a cross-thread exception.
while (!control.Visible)
{
System.Threading.Thread.Sleep(50);
}
See ToolmakerSteve's comment below for concerns about this suggestion.
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Custom Adapter for List View
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public class ListAdapter extends ArrayAdapter<Item> {
private int resourceLayout;
private Context mContext;
public ListAdapter(Context context, int resource, List<Item> items) {
super(context, resource, items);
this.resourceLayou...
How to generate a random number in C++?
...plication on the same second - you use the same seed value - thus your result is the same of course (as Martin York already mentioned in a comment to the question).
Actually you should call srand(seed) one time and then call rand() many times and analyze that sequence - it should look random.
EDIT:
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