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“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...er osx 10.8.4 and have installed gdb 7.5.1 with homebrew (motivation get a new gdb with new features such as --with-python etc... )
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Why do we need the “event” keyword while defining events?
...ke method. After modified by modifier event, a delegate instance become an new concept "Event". So Event is just one modified delegate. You cannot directly change reference or invoke an Event outside the class where the Event was defined, but you can change reference or invoke a normal delegate inst...
Truncate a list to a given number of elements
...e eligible for garbage collection, you should copy the items you want to a new List:
List<String> subItems = new ArrayList<String>(items.subList(0, 2));
If the list is shorter than the specified size, expect an out of bounds exception. Choose the minimum value of the desired size and ...
How to get subarray from array?
...rray, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
4 Answers
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Is C++14 adding new keywords to C++?
The C++ Standards Committee tends to shy away from adding new keywords to the language, yet with C++11 that was not the case. Some examples:
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How can I select rows with most recent timestamp for each key value?
I have a table of sensor data. Each row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields.
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How do I convert a string to a double in Python?
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Why can't Python find shared objects that are in directories in sys.path?
...efore
the standard set of directories; this
is useful when debugging a new library
or using a nonstandard library for
special purposes. The environment
variable LD_PRELOAD lists shared
libraries with functions that override
the standard set, just as
/etc/ld.so.preload does. These are...
Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
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There are two new methods in UIColor that accept integer values from 0 to 255. See my answer below.
– Blip
Sep 26 '19 at 20:48
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Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
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