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java: ArrayList - how can i check if an index exists?
...uff. but the next time at that index, my index will still be index = 0 and now I am re-initializing that element in the list when I was supposed to be doing stuff. The 1st thought is to && a second condition like list.get(index) == null but that not working is why there are questions like th...
How to programmatically set maxLength in Android TextView?
...om 10 to 20, but as in code we add filter its remain set MaxLength 10 bcus now in array we have 10,20 two max lengths.
– Nikhil
Jun 29 at 14:35
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What does $$ mean in the shell?
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Thanks. The mktemp option -t is now deprecated (I think because of problems with the char -). Use mktemp ${tempfoo}.XXXXXX these days. I take the liberty to update your post.
– Sebastian
Jan 10 '14 at 11:44
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Convert string date to timestamp in Python
...obably in a different TZ (and the result is timezone-free UNIX timestamp)
Now if the input date is already in UTC, than I believe the right solution is:
>>> calendar.timegm(time.strptime('01/12/2011', '%d/%m/%Y'))
1322697600
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Clear form fields with jQuery
...e type=text on your markup. That may be obvious, but it wasn't to me, just now :-)
– Elbin
Oct 22 '13 at 14:34
2
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Make multiple-select to adjust its height to fit options without scroll bar
...nts, you have to manually set the number size value, which is fine if you know how many options there are but more of a problem if there is a dynamic number of options. In which case you would have to set resize the size attribute when you populated the box. I see now, thanks for clarifying.
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Are members of a C++ struct initialized to 0 by default?
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C++11 now allows you to initialize them in the definition of the struct or class, like so: struct Snapshot { double x{0}; //with braces int y = 0 ; //or just old school style 'by assignement' w...
How to subtract date/time in JavaScript? [duplicate]
I have a field at a grid containing date/time and I need to know the difference between that and the current date/time. What could be the best way of doing so?
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Retrieving the inherited attribute names/values using Java Reflection
I've a Java object 'ChildObj' which is extended from 'ParentObj'. Now, if it is possible to retrieve all the attribute names and values of ChildObj, including the inherited attributes too, using Java reflection mechanism?
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Sqlite primary key on multiple columns
...LE something (
column1, column2, value, PRIMARY KEY (column1, column2));
Now this works without any warning:
sqlite> insert into something (value) VALUES ('bla-bla');
sqlite> insert into something (value) VALUES ('bla-bla');
sqlite> select * from something;
NULL|NULL|bla-bla
NULL|NULL|bl...