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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...
How to display HTML tags as plain text [duplicate]
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Replace < with &lt; and > with &gt;.
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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 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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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...
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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switch / pattern matching idea
... WriteLine($"{r.Length} x {r.Height} rectangle");
break;
default:
WriteLine("<unknown shape>");
break;
case null:
throw new ArgumentNullException(nameof(shape));
}
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How do I make a dotted/dashed line in Android?
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Without java code:
drawable/dotted.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="line">
<stroke
android:color="#C7B299"
android:dashWidth="10px"
a...
print call stack in C or C++
...ly and might be slow if your are taking too many traces.
demangles by default
Boost is header only, so no need to modify your build system most likely
boost_stacktrace.cpp
#include <iostream>
#define BOOST_STACKTRACE_USE_ADDR2LINE
#include <boost/stacktrace.hpp>
void my_func_2(void)...
ASP.NET MVC 404 Error Handling [duplicate]
... 404 error information.
Modify your web.config (in case of controller).
<system.web>
<customErrors mode="On" >
<error statusCode="404" redirect="~/Errors/Error404" />
</customErrors>
</system.web>
Or in case of static page
<system.web>
<...