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How to check which version of v8 is installed with my NodeJS?
How is V8 installed along with NodeJs? What version is my current V8 engine?
12 Answers
...
View contents of database file in Android Studio
...w these steps (for actual device, scroll to the bottom):
Download and install SQLiteBrowser.
Copy the database from the device to your PC:
Android Studio versions < 3.0:
Open DDMS via Tools > Android > Android Device Monitor
Click on your device on the left.
You should see your applica...
How do I address unchecked cast warnings?
...affect the entire method.
Example:
@SuppressWarnings("unchecked")
Map<String, String> myMap = (Map<String, String>) deserializeMap();
There is no way to determine whether the Map really should have the generic parameters <String, String>. You must know beforehand what the param...
Set TextView text from html-formatted string resource in XML
I have some fixed strings inside my strings.xml , something like:
7 Answers
7
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Is there a way to define a min and max value for EditText in Android?
...his.min = min;
this.max = max;
}
public InputFilterMinMax(String min, String max) {
this.min = Integer.parseInt(min);
this.max = Integer.parseInt(max);
}
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dsta...
What is the 'instanceof' operator used for in Java?
...ific type...
if (objectReference instanceof type)
A quick example:
String s = "Hello World!"
return s instanceof String;
//result --> true
However, applying instanceof on a null reference variable/expression
returns false.
String s = null;
return s instanceof String;
//result --&...
Oracle Differences between NVL and Coalesce
...om dual; would work as NVL will do an implicit conversion of numeric 10 to string.
select coalesce('abc',10) from dual; will fail with Error - inconsistent datatypes: expected CHAR got NUMBER
Example for UNION use-case
SELECT COALESCE(a, sysdate)
from (select null as a from dual
union
...
std::string to char*
I want to convert a std::string into a char* or char[] data type.
18 Answers
18
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How to send a stacktrace to log4j?
... The logger takes an object for its first argument and will toString() it. However the second argument has to be a Throwable and displays the stack trace.
– Peter Lawrey
Dec 3 '10 at 16:50
...
Parse date string and change format
I have a date string with the format 'Mon Feb 15 2010'. I want to change the format to '15/02/2010'. How can I do this?
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