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Python: print a generator expression?
...an iterator, without the need to build an intermediate list:
>>> _ = map(sys.stdout.write, (x for x in string.letters if x in (y for y in "BigMan on campus")))
acgimnopsuBM
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improv...
Difference between EXISTS and IN in SQL?
...exists (select 1 from emp where salary > 1000) then 1 else 0 end as sal_over_1000
– smooth_smoothie
Aug 25 '16 at 4:17
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Check if my app has a new version on AppStore
...il, error)
}
}
task.resume()
return task
}
example:
_ = try? isUpdateAvailable { (update, error) in
if let error = error {
print(error)
} else if let update = update {
print(update)
}
}
...
Could I change my name and surname in all previous commits?
...
Use git-filter-branch.
git filter-branch --commit-filter 'if [ "$GIT_AUTHOR_NAME" = "Josh Lee" ];
then export GIT_AUTHOR_NAME="Hobo Bob"; export GIT_AUTHOR_EMAIL=hobo@example.com;
fi; git commit-tree "$@"'
This only affects the author, not the committer (which for most commits will be t...
“Conversion to Dalvik format failed with error 1” on external JAR
...buildpath that include the same package and classes.
smack.jar and android_maps_lib-1.0.2
Deleting this package from one of the JAR files solved the problem.
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What's the difference between BaseAdapter and ArrayAdapter?
...String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_dropdown_item_1line, COUNTRIES);
AutoCompleteTextView textView = (AutoCompleteTextView) findViewById(R.id.countries_list);
textView.setAdapter(adapter);
Here we can't use BaseAdapter like ArrayAdapter.
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How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
...ute();
int second = now.getSecond();
int millis = now.get(ChronoField.MILLI_OF_SECOND); // Note: no direct getter available.
System.out.printf("%d-%02d-%02d %02d:%02d:%02d.%03d", year, month, day, hour, minute, second, millis);
Or, when you're not on Java 8 yet, make use of java.util.Calendar.
Cal...
Best way to define error codes/strings in Java?
...c enum Error {
DATABASE(0, "A database error has occurred."),
DUPLICATE_USER(1, "This user already exists.");
private final int code;
private final String description;
private Error(int code, String description) {
this.code = code;
this.description = description;
}
public St...
How do I add a tool tip to a span element?
... :D And this article aided in my confusion : htmlgoodies.com/tutorials/html_401/article.php/3479661/… where it says that the tooltip works for the "text"
– Augiwan
Jan 23 '13 at 13:50
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Setting DIV width and height in JavaScript
I have a div with id="div_register" . I want to set its width dynamically in JavaScript.
6 Answers
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