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Duplicate symbols for architecture x86_64 under Xcode
... are depends on -ObjC flag. So I must need to keep this flag in my project settings. So could you please suggest any other solution?
– Sunil Targe
Aug 24 '16 at 8:20
3
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Detecting taps on attributed text in a UITextView in iOS
...gnizer locationInView:textView];
location.x -= textView.textContainerInset.left;
location.y -= textView.textContainerInset.top;
// Find the character that's been tapped on
NSUInteger characterIndex;
characterIndex = [layoutManager characterIndexForPoint:location
...
How do I check in SQLite whether a table exists?
... = new SQLiteDataAdapter(cmd); and do adapter.Fill(ds), where ds is a DataSet. You can then see if ds.Tables.Count > 0 and return ds.Tables[0]; if so (or else return null). Then you can check that DataTable for being null, if dt.Rows != null, and if dt.Rows.Count>0
– vap...
Java: Get first item from a collection
...The first element of a Collection may be arbitrary in a few cases like HashSet, but it is well-defined: it's .iterator().next(). It's also stable, in every collection implementation I've ever seen. (related: note that while Set doesn't guarantee order, every single subtype of Set in the JDK except ...
What is the difference between compare() and compareTo()?
...ch as sort() or for use by sorting data structures such as TreeMap and TreeSet. You might want to create a Comparator object for the following:
Multiple comparisons. To provide several different ways to sort something. For example, you might want to sort a Person class by name, ID, age, height, .....
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...ome methods like String.Concat. For example, if you have a string variable set to null, C# won't replace it with String.Empty if you try to call a method on it.
– Botz3000
May 30 '12 at 10:32
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Rotating videos with FFmpeg
...udio without touching it, by using -c:a copy. To change the video quality, set the bitrate (for example with -b:v 1M) or have a look at the H.264 encoding guide if you want VBR options.
A solution is also to use this convenience script.
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Difference between the Apache HTTP Server and Apache Tomcat? [closed]
...
True. And many people still use an extra Apache setup besides their Tomcat.. which is unnecessary in most cases.
– Marco Schoolenberg
Jan 4 '17 at 16:20
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How do I create a variable number of variables?
...ed to access it.
Finally, don't forget other data structures, such as the set - this is similar to a dictionary, except that each "name" doesn't have a value attached to it. If you simply need a "bag" of objects, this can be a great choice. Instead of something like this:
keyword_1 = 'apple'
keywo...
How to order by with union in SQL?
...e like "%a%"
Order by name
the order by is applied to the complete resultset
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