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How to check if Location Services are enabled?
... // notify user
new AlertDialog.Builder(context)
.setMessage(R.string.gps_network_not_enabled)
.setPositiveButton(R.string.open_location_settings, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface paramDialogInterface, i...
How do you effectively model inheritance in a database?
...t elements.
So for example:
class Person {
public int ID;
public string FirstName;
public string LastName;
}
class Employee : Person {
public DateTime StartDate;
}
Would result in tables like:
table Person
------------
int id (PK)
string firstname
string lastname
table Employe...
How to use MDC with thread pools?
...tor {
final private boolean useFixedContext;
final private Map<String, Object> fixedContext;
/**
* Pool where task threads take MDC from the submitting thread.
*/
public static MdcThreadPoolExecutor newWithInheritedMdc(int corePoolSize, int maximumPoolSize, long kee...
How to decode HTML entities using jQuery?
How do I use jQuery to decode HTML entities in a string?
19 Answers
19
...
How do you allow spaces to be entered using scanf?
...se fgets() (which has buffer overflow protection) to get your input into a string and sscanf() to evaluate it. Since you just want what the user entered without parsing, you don't really need sscanf() in this case anyway:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
...
How to read values from properties file?
...ans:
@Component
class MyClass {
@Value("${my.property.name}")
private String[] myValues;
}
EDIT: updated the code to parse property with mutliple comma-separated values:
my.property.name=aaa,bbb,ccc
If that doesnt work, you can define a bean with properties, inject and process it manually:...
How can I convert immutable.Map to mutable.Map in Scala?
... immutable.Map(1->"one",2->"two")
val myMutableMap: mutable.Map[Int, String] = myImmutableMap.map(identity)(breakOut)
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Easy pretty printing of floats in python?
...ise numbers, but get rid of trailing zeros for example, use the formatting string %g:
np.set_printoptions(formatter={"float_kind": lambda x: "%g" % x})
For just printing once and not changing global behavior, use np.array2string with the same arguments as above.
...
What is SuppressWarnings (“unchecked”) in Java?
... onto the class itself or onto a long method). An example:
public List<String> getALegacyListReversed() {
@SuppressWarnings("unchecked") List<String> list =
(List<String>)legacyLibrary.getStringList();
Collections.reverse(list);
return list;
}
...
C++11 emplace_back on vector?
...
You need to explicitly define a ctor for the class:
#include <string>
#include <vector>
using namespace std;
struct T
{
int a;
double b;
string c;
T(int a, double b, string &&c)
: a(a)
, b(b)
, c(std::move(c))
{}
};
vect...