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Determine if Android app is being used for the first time
... ...
}
// ...
}
The basic logic can be verified using this JUnit test:
public void testCheckAppStart() {
// First start
int oldVersion = -1;
int newVersion = 1;
assertEquals("Unexpected result", AppStart.FIRST_TIME,
service.checkAppStart(newVersion, oldVersion)...
Convert Enum to String
...d by the string in the compiled result, which in turn means this is the fastest way possible.
Any use of enum names does interfere with code obfuscation, if you consider obfuscation of enum names to be worthwhile or important - that's probably a whole other question.
...
jQuery first child of “this”
...
I've added jsperf test to see the speed difference for different approaches to get the first child (total 1000+ children)
given, notif = $('#foo')
jQuery ways:
$(":first-child", notif) - 4,304 ops/sec - fastest
notif.children(":first") - 653 ...
How to use regex in String.contains() method in Java
...
public static void main(String[] args) {
String test = "something hear - to - find some to or tows";
System.out.println("1.result: " + contains("- to -( \\w+) som", test, null));
System.out.println("2.result: " + contains("- to -( \\w+) som", test, 5));
}
static bo...
How do I get a Cron like scheduler in Python? [closed]
... self.action(*self.args, **self.kwargs)
(Note: Not thoroughly tested)
Then your CronTab can be specified in normal python syntax as:
c = CronTab(
Event(perform_backup, 0, 2, dow=6 ),
Event(purge_temps, 0, range(9,18,2), dow=range(0,5))
)
This way you get the full power of Python...
How to remove spaces from a string using JavaScript?
...
SHORTEST and FASTEST: str.replace(/ /g, '');
Benchmark:
Here my results - (2018.07.13) MacOs High Sierra 10.13.3 on Chrome 67.0.3396 (64-bit), Safari 11.0.3 (13604.5.6), Firefox 59.0.2 (64-bit) ):
SHORT strings
Short string simi...
Does git return specific return error codes?
...
I set-up a test to fail. This is what I got:
$ git merge newbranch
Auto-merging test.txt
CONFLICT (content): Merge conflict in test.txt
Automatic merge failed; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when...
What's the best way to use R scripts on the command line (terminal)?
...he #! line:
#!/usr/bin/R --random --switches --f
Not knowing R, I can't test properly, but this seems to work:
axa@artemis:~$ cat r.test
#!/usr/bin/R -q -f
error
axa@artemis:~$ ./r.test
> #!/usr/bin/R -q -f
> error
Error: object "error" not found
Execution halted
axa@artemis:~$
...
How do I convert an HttpRequestBase into an HttpRequest object?
...ike mentioned in ASP.NET: Removing System.Web Dependencies for better unit testing support.
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Returning a boolean from a Bash function
...[[ -n $1 ]] ; then
return 0
else
return 1
fi
}
#Test
if is_directory $1 ; then
echo "Directory exist"
else
echo "Directory does not exist!"
fi
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